N584AS
Registered owner: BANK OF UTAH TRUSTEE, UT (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
WHILE PERFORMING FWD LAV OPS CHECKS EMERGENCY LILGHT OF AFT WALL IS INOP. GROUNDED - YES. REPLACED BATTERY PACK EMERGENCY LIGHTS OPS CHECK GOOD I.A.W. B737-800 AMM 33-51-06-960-805.
PANEL BREAK AT STA 540 LBL 60 TO LBL 48 CRACKED. GROUNDED - YES. REMOVED AND REPLACED PANEL BREAK IAW SRM 51-40-02-0G-0.
PANEL BREAK AT STA 540 LBL 24 TO LBL 48 CRACKED. GROUNDED - YES. REMOVED AND REPLACED IAW B737-800 SRM 51-40-02-0G-0.
PANEL BREAK AT STA 540 RBL 60 TO RBL 48 CRACKED. GROUNDED - YES. REMOVED AND REPLACED PANEL BREAK IAW B737-800 SRM 51-40-02-0G-0.
PANEL BREAK AT STA 540 LBL 24 TO BL 0 CRACKED. GROUNDED - YES. REMOVED AND REPLACED PANEL BREAK IAW B737-800 SRM 51-40-02-0G-0.
AFT CARGO RT TRANSITION CORRODED BS 727 TO 767. GROUNDED - YES. REMOVED CORROSION TRANSITION PANEL FOUND TO BE OUT OF LIMITS, REPAIRED TRANSITION PANEL IAW SRM 53-00-53-2R-5.
FWD CARGO SILL WEB CORRODED BS 440 TO 500. GROUNDED - YES. REMOVED DAMAGE ON SILL WEB BS 440 TO 500 FOUND TO BE OUT OF LIMITS, REMOVED AND REPLACED IAW SRM 51-40-02-0G & 53-30-15-1A-1.
AFT CARGO SILL WEB CORRODED STA 847 TO STA 787. GROUNDED - YES. REMOVED DAMAGE ON SILL WEB AFT CARGO STA 847 TO STA 787 FOUND TO BE OUT OF LIMITS, REMOVED AND REPLACED IAW B737-800 SRM 51-40-02-0G-0 AND 51-40-05-0G-0W: 2" O: .050" R: .041" L: 2" D: .009".
AFT CARGO LT UPPER SIDEWALL SUPPORT CARCKED AT BS 727D. GROUNDED - YES. REPAIRED AFT CARGO LT UPPER SIDEWALL SUPPORT AT BS 727D, 727C, 727B, 727F, 727G, & 727E IAW EA 800-53EA-30312.
FWD CARGO RT TRANSITION CORRODED STA 500A TO STA 500I. GROUNDED - YES. REMOVED DAMAGE ON FWD CARGO R/H TRANSITION FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2. REMOVED AND REPLACED TRANSITION PANEL IAW B737-800 SRM 51-40-05-0G-0 AND 51-40-02-G-0.W: 2" O: .040" R: .024" L: 2" D: .016".
AFT CARGO L/H TRANSITION STA 847 TO STA 727 CORRODED. GROUNDED - YES. REMOVED CORROSION TRANSITION PANEL FOUND TO BE OUT OF LIMITS, REPAIRED TRANSITION PANEL IAW B737-800 SRM 53-00-53-2R-5W: 1" O: .040 R: .027 L: 1.5" D: .013.
AFT CARGO FWD SHIELD CORRODED AT BS 767 - 787. GROUNDED - YES. REMOVED CORROSION SHIELD AT BS 767 - 787 FOUND TO BE OUT OF LIMITS, REMOVED AND REPLACED SHIELD IAW SRM 51-40-02-0G-0.
FWD CARGO AFT SHIELD CORRODED BS 500 - 500A. GROUNDED - YES. REMOVED CORROSION ON SHEILD BS 500 - 500A FOUND TO BE OUT OF LIMITS IAW SRM 53-30-15-1A-1. REMOVED AND INSTALLED NEW FWD CARGO AFT SHIELD IAW SRM 51-40-02-0G-0.
AFT CARGO SILL WEB CORRODED. GROUNDED - YES. REMOVED CORROSION, FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15-1A-1. REMOVED AND REPLACED WEB IAW SRM 51-40-02-0G-0.
DAMAGED CARGO FLOOR BOARD, LH SIDE ON REMOVAL DURING WIRE TROUBLESHOOTING FOR TSR 716838 FLOOR PANEL AT STATION 727A-10. GROUNDED - YES. FABRICATED NEW FLOOR BOARD PANEL FROM BOEING DWG 146A5810 SHEET 71 AND 814A6580 SHEET 18. INSTALLED NEW FABRICATED PANEL.
ON TAKEOFF DURING POWER UP, STRONG MUSTY SMILL FILLED FLIGHT DECK. GROUNDED - YES. (RESOLVED ON W/O: 1975681 TASKCARD: N/R-00003 ) ACCOMPLISHED LEFT/ RIGHT ENGINE BLOWOUT (20 MIN PER ENG.) NO CONTAMINATION NOTED OPERATED PACKS, NO CONTAMINATION NOTED, ACCOMPLISHED REPAIR CONFIRMATION, DETECTED SLIGHT HYDRAULIC FLUID, SMELL AFTER ENG START. REF FIM 21-00 TASK 806 REPLACED "A" SYS RES, CROSSFITTING ASSY. ("B" SYS CROSS FITTING APPEARS TO HAVE BEEN RECENTLY REPLACED) REPLACED "A" AND "B" SYSTEM SECONDARY CHECK VALVES. REF AMM 29-09-04-400-801 STEP 3.A-3.C.(4). MM 29-09-01-400-802 STEP 5. A-5.F.(4). P Y 41581 11-14-2023. NOTE: REQUIRES LEAK CHECK. LEAK CHECK GOOD NO FURTHER DEFECTS NOTED AT THIS TIME. SEAMC ASHRAF NOTIFIED. THIS CLEARS PLT DEFERRAL ON 60535105.
R FMC INOP. GROUNDED - YES. ON DEFERRAL.
RH OVERWING AREA INTERIOR EMERGENCY LIGHTS ARE INOP. GROUNDED - YES. REPLACED 1 EACH BATTERY PACK TO POWER R/H OVERWING AREA INTERIOR EMERGENCY LIGHTS OPS CHECK GOOD IAW B737-800 AMM 33-51-06-960-805 STEPS A-D.
RH OVERWING AREA EXTERIOR EMERGENCY LIGHTS ARE INOP. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK TO POWER R/H OVERWING EXTERIOR EMERGENCY LIGHTS OPS CHECK GOOD IAW B737-800 AMM 33-51-06-960-805 STEPS A-E.
LH OVERWING AREA EMERGENCY LIGHTS ARE INOP. GROUNDED - YES. REPLACED 2 EACH BATTERY PACKS S/N 222384 TO POWER L/H OVERWING AREA EMERGENCY LIGHTS OPS CHECK GOOD IAW B737-800 AMM 33-51-06-960-805 STEPS A-D.
RH AILSE EMERGENCY LIGHTS ARE INOP FROM ROW 3 THRU 27. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK TO POWER RH AILSE EMERGENCY LIGHTS ROW 3 THRU 27 OPS CHECK GOOD IAW B737-800 AMM 33-51-06-960-805 STPES A-E.
EMERGENCY LIGHTS BATTERY PACT AT LH FS 500C+7.5 FAILS CAP CHECK GROUNDED - YES. REPLACED BATTERY CHARGER ASSY WITH BATTERY S/N 125338 IAW B737-800 AMM 33-51-06.
FUSE SKIN CORRODED AT AFT LAV VENT. GROUNDED - YES. REPAIRED SKIN IAW 737-800 SRM 53-70-01-2R-3W .5" O .125" R .085" L 1" D .040".
LEFT HAND HORIZONTAL STABILIZER APPROX STAB STA 92.70 FRAME HAS THREE CRACKS. GROUNDED - YES. REPAIRED 3(EA) CRACKS ON L/H RIB ST A92.70 IAW BOEING 737 SRM 55-10-09-2R-4.
RIGHT HAND HORIZONTAL STABILIZER RIB AT APPROX STAB STA 111.10 HAS FOUR CRACKS. GROUNDED - YES. REPAIRED R/H HORIZONTAL RIB AT STAB STA 111.10 FOUR EA CRACKS IAW B737-800 SRM 55-10-09-2R-4.
AFT WET AREA STA 947 FLOOR BEAM HAS CORROSION NEAR LAV MOUNT FITTING AT LBL 30. GROUNDED - YES. REPAIRED 947 FLOOR BEAM FROM LBL 8 TO LBL 36 IAW B737 SRM 53-70-51-2R-5W=2 O=.180 R=.105 L=1 D=.075.
AFT WET AREA STA 986 FLOOR BEAM HAS SPOT OF CORROSION AT FASTNER HOLE RBL 54. GROUNDED - YES. REPAIRED 986 FLOOR BEAM IAW B737 SRM 53-70-51-2R-6W=2 O=.150 R=.105 L=1 D=.045.
AFT WET AREA STA 986 FLOOR BEAM HAS AREAS OF CORROSION FROM LBL 8 TO LBL 60. GROUNDED - YES. REMOVED AND REPLACED UPPER CAP WITH NEW FROM LBL8 TO LBL 60 IAW B737 SRM 53-70-51-2R-4W=2 O=150 R=.141 L=1 D=.009.
FWD CARGO COMPARTMENT AFT BULKHEAD LOWER SUPPORT ANGLE CORRODED. GROUNDED - YES. REMOVED CORROSION AND FOUND TO BE BEYOND LIMITS IAW B737-800 SRM 53-30-08-1A-1, REMOVED LOWER SUPPORT ANGLE / CENTER RAIL ASSY AND INSTALLED NEW ASSY IAW B737-800 SRM 51-40-02-0G-0W=1.1 O=.071 R=.017 L=2.0 D=.053W=1.1 O=.071 R=.017 L=2.0 D=.053.
AFT PIT L/H TRANSITION HAS MULTIPLE AREAS OF CORROSION FROM STA 727-767. GROUNDED - YES. REMOVED CORROSION STA 727-STA 767 AND REPLACED SECTION STA727H+10 TO STA727I+8 IAW B737-800 SRM 53-00-53-2R-6 REMAINING BLENDOUTS FOUND TO BE WITHIN LIMITS IAW B737-800 SRM 53-00-53-1A-2 .040 ORIG. - .038 REMAIN - .036 MIN ALLOWED W=1 O=0.040 R=0.019 L=1.4 D=0.021.
AFT PIT RBL 13 CARGO TRACK IS CRACKED AT STA 727C, 727D, 727H AND 727J IN RADIUS OF ATTACH FLANGES. GROUNDED - YES. REPAIRED AFT PIT RBL 13 CARGO TRACK FROM STA 727 TO STA 727J IAW 737-800 SRM 53-00-53-2R-2 REP 2.
AFT PIT CARGO DOOR SILL WEB HAS AREAS OF CORROSION. GROUNDED - YES. REMOVED CORROSION AND CHECKED LIMITS FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-60-15-1A-1 REMOVED AND REPLACED WEB IAW B737-800 SRM 51-40-02-0G-0W=1 O=.050 R=.040 L=6 D=.010.
L/H HORIZONTAL LOWER SKIN CRACKED AT STA 138, 16 INCHES FROM TRAILING EDGE. GROUNDED - YES. REPAIRED CRACKED SKIN AT STA 138 IAW BOEING 737 SRM 55-10-01-2R-11, THIS IS A CATEGORY B REPAIR WITH A INSPECTION THRESHOLD OF 56,000 CYCLES AND A REPEAT INTERVAL OF 9000 CYCLES.
LH FWD OVERWING EXTERNAL EMERGENCY LIGHTS WILL NOT STAY ON AS REQ'D. GROUNDED - YES. REMOVED AND REPLACED LH FWD EMERGENCY LIGHT BATTERY PACK. OPS CHECKED GOOD IAW B737-800 AMM 33-51-06-960-805.
RIGHT FMC FAIL OCCURRED EN-ROUTE MID FLIGHT AT FLIGHT LEVEL 360 ACCOMPLISHED QRH CONTINUED TO RUN SINGLE FMC ON LEFT SIDE. GROUNDED - YES. PERFORMED FMCS OPS TEST IAW B737-800 AMM 34-61-00-710-801, TEST PASS. FMC BITE IAW B737-800 FIM 34-61 TASK 801, NO FMC FAULTS FOUND.
AFTER LOSS OF RIGHT FMC. LEFT FMC MOMENTALLY FAILED APPROXIMATELY TWO HOURS LATER. LEFT FMC SELF RECOVERED AFTER 1 MIN AND CONTINUED TO OPERATE THE REMAINDER OF THE FLIGHT. GROUNDED - YES. ACCOMPLISHED BITE ON LEFT FMC IAW B737-800 FIM 34-61 TASK 801. LEFT FMC OPS CHECK GOOD. (REF ASA LP 60505729)
SINGLE CHANNEL FAULT CONTG CAB RESET WITH MASTER CAUTION. GROUNDED - YES. REF B737-800 AMM 21-61-21 REMOVED AND REPLACED LEFT PACK TRIM AIR VALVE.
RIGHT SIDE WINDOW OVERHEAT LIGHT ON TAKEOFF AT 100 KTS IN ABQ. RAN QRH FOR WINDOW OVERHEAT, TURNED OFF FOR 5 MINUTES, AND OVERHEAT LIGHT CAME BACK ON AFTER TURNING HEAT BACK ON. KEPT OFF AFTERWARDS. GROUNDED - YES. VERIFIED OVERHEAT LT ILLUM. OBSERVED R2 WINDOW COIL CORD DISCONNECTED AT WINDOW. RECONNECTED COIL CORD. WINDOW HEAT OP CHK GOOD. R2 WINDOW HEAT BITE CHK GOOD. VERIFIED R2 WINDOW SENSOR & HEAT ELEMENT GOOD REF B737-800 FIM 30-41-811/801 & B737-800 AMM 30-41-21. ETOPS GROUND VERIFICATION SUCCESSFUL.
MAP LIGHT ON F/O ND. GROUNDED - YES. R/H FMC IS INTERMITENTLY INOP. REMOVED & REPLACED F/O'S FMC COMPUTER REF B737-800 AMM 34-61-02-400-801 & OPS CKS GOOD.
APU OIL FILTER LUBE UNIT FILTER DELTA "P" POPPED. GROUNDED - YES. REMOVED AND REPLACED APU LUBE UNIT OIL FILTER ELEMENT REF B737-800 AMM 49-91-12 OIL FILTER APPEARED TO BE CLEAN. REMOVED AND REPLACED APU OIL FILTER INDICATOR REF AMM 49-91-13. APU OIL FILTER HOUSING AND INDICATOR LEAK CHECK. GOOD NO LEAKS NOTED REF AMM 49-91-12. OIL FILTER DELTA P INDICATOR REMAINED RESET.
CONTINUOUS ZONE TEMP ANNUNCIATOR ON TAXI, MASTER RECALL GOES OUT WITH MASTER CAUTION RESET. GROUNDED - YES. PERFORMED PZTC BITE REF FIM 21-62 TASK 801. ON BOTH PZTC FLT DECK TRIM VALVE FAULTED. PUSHED VERIFY ON BOTH PZTC AND FAULTS CLEARED. FOUND FLIGHT DECK TEMP SENSOR DIRTY. PERFORMED CLEANING REF B737-800 AMM 21-61-10. OPERATED PACKS. NO FAULTS NOTED.
FOUND PASSENGER CABIN LIGHTING EMER CHGR R/H AFT POPPED. GROUNDED - YES. INITIAL T/S FOUND WIRE W4142-0035-20 CHAFING TO BUNDLE HOLDER, SPLICED REPAIRED IAW BSWP 20-10-13 AND B737-800 WDM 33-51-11-5, C/B RESET, PERFORMED EMER LIGHT OPS TEST, FOUND R2 DOOR EMER EXIT SIGN NOT ILLUMINATED, REMOVED AND REPLACED BATTERY PACK ON POWER SUPPLY CHRG, OPS CHECK GOOD, REFB737-800 AMM 33-51-00.
FMC DATA/PERF INVALID. NOT LOAD COULD NOT EXECUTE. GROUNDED - YES. RESET FMC COMPUTER 1 AND 2 PER B737 FIM 34-61 TASK 836. OPS CHECK OK.
FOLLOW UP TO FQIS ISSUES IN THE LEFT TANK DUE TO IMBALANCE INDICATION IN FLIGHT. ACCOMPLISHED FQIS SYSTEM TEST PER B737-800 AMM 28-41-00-730-801 FOR #1 FUEL TANK. TANK UNIT CAP: 412.9 PF, COMPENSATOR CAP: 61.85 PF. ACCOMPLISHED AMM 28-41-21-710-801 FOUND COMPENSATOR AND ALL TANK UNITS FAIL RESISTANCE AND CAPACITANCE CHECK. GROUNDED - YES. REPLACED TANKS 10 & 11 REF B737-800 AMM 28-41-21/400. REPLACED COMPENSATOR PROBE AND TANK UNITS 1, 4-9 REF AMM 28-41-21/400. REACCOMPLISHED A TANK & COMP UNITS TEST. ALL VALUES NOW WITHIN LIMITS. REF AMM 28-41-21/501. ETOPS GROUND VERIFICATION GOOD. ORIG SUB DATE: 12/27/2022
NEAR TOP OF CLIMB FL340 NOTICED LH MAIN FUEL TANK SHOWED 900LBS LOWER THAN RIGHT (WITH FUEL IN CENTER) . IMBAL LIGHT CAME ON. RAN IMBAL QRH AND FUEL LEAK QRH. NO FUEL LEAK. FUEL REMAINED LOWER IN LH TANK UNTIL AFTER TOUCHDOWN AT WHICH POINT FUEL IND ON LH TANK INCREASE APROX 700LBS. GROUNDED - YES. PERFORMED FQIS BITE TEST PER B737-800 FIM 28-41-00-810-801. NO FAULTS ON CURRENT STATUS & INFLT. GROUND TEST IS GOOD. NO FAULTS HISTORY. A/C OK FOR SERVICE.
LEFT AFT MAIN FUEL PUMP LOW PRESS LIGHT CAME ON AT CRUISE. GROUNDED - YES. REMOVED AND REPLACED #1 TANK AFT FUEL BOOST PUMP PER B737-800 AMM 28-22-41. OPS CHECK GOOD.
RIGHT PACK LIGHT ILLUMINATES ON RECALL. GROUNDED - YES. REMOVED AND REPLACED RAM AIR INLET ACTUATOR ON R/H SIDE. REF B737-800 AMM TASK 21-51-21/404
CONT ZONE TEMP LIGHT ON DURING MASTER CAUTION RECALL. GROUNDED - YES. REMOVED AND REPLACED CONT CABIN TEMP CONTROL VALVE REF B737-800 AMM 21-51-10. BITE CHECK, LEAK CHECK AND OPS CHECK GOOD.
AFTER PUSHBACK & ENG START ON RECALL # 2 PACK LIGHT ILLUMINATED, RESETS ON MASTER CAUTION PUSH. RAN QRH. GROUNDED - YES. RAM AIR ACTUATOR FAULT ON #2 ZONE TEMP CONTROLLER. RAN PACK TEMP CONTROLLER BITE TEST FAULT NO LONGER PRESENT SUSPECT INTERMITTENT FAULT REFB737-800 FIM 21-62 TASKS 801 AND 836.
PER ASA TC 78472010 #2 ENF FAN LUBE SPACERS #1,2,3,4,5,8,10,11,13,14,16,20,21,22,23 AND 24 ARE DISBONDED. GROUNDED - YES. REMOVED & REPLACED #2 ENG FAN LUBE SPACERS #1,2,3,4,5,8,10,11,13,14,16,20,21,22,23 AND 24 IAW ASA T/C 78472010.
THE EMERGENCY EXIT LENS BASE AT SEAT 16A FOUND BROKEN. GROUNDED - YES. REMOVED & REPLACED EMERGENCY EXIT BASE & LENS IAW B737-800 AMM 33-51-01.
MCP PANEL DOES NOT ILLUMINATE. GROUNDED - YES. ACCOMPLISHED CYCLE OF MCP CB'S REF B737-800 AMM 20-60-05, MCP RESTORED. ACCOMPLISHED DFCS BITE REF B737-800 FIM 22-11 TASK 801 NO CURRENT FAULTS, ACCOMPLISHED MCP TEST REF AMM 22-11-34 ALL TESTS PASSED.
WHILE STARTING ENGINE #1 NO FUEL FLOW WITHIN 30 SEC. ON 2ND START ATTEMPT FUEL FLOW CAME UP NORMALLY AND DROPPED TO0 IN A FEW SECONDS. ON 3RD ATTEMPT USING IGN L ENGINE STARTED NORMALLY. STARTS 1+2 WERE ON IGN R. GROUNDED - YES. REMOVED & REPLACED IGNITER PLUG REF B737-800 AMM 74-21-02-400-801 INITIATED REMOVAL OF R/H EXCITER BOX & FOUND R/H EXCITER POWER SUPPLY CABLE TO HAVE A BROKEN INSULATOR. ON THE #1 ENGINE, REMOVED AND REPLACED MW0302 HARNESS REF AMM 71-51-03/401. REPLACED EXCITER BOX BOX REF AMM 74-11-01-400-801.
ON PREFLT HF 1 "FAIL". GROUNDED - YES. BITE TEST OF HF#1 TRANSCEIVER FAILED, NO POWER. C/B IS IN, REF FIM 23-11 TASK 801. REPLACED #1 HF TRANSCEIVER, OPS NORMAL. REF AMM 23-11-21-400-801. GROUND VERIFICATION GOOD, SEAMC LAMONT NOTIFIED.
AT LEVEL FLIGHT, 5100 FEET, 210 KTS, FLAPS UP THE AUTOPILOT STARTED TRIMMING NOSE UP AND THEN NOSE DOWN. ABOUT 10 TO 20 SECONDS IT OCCURRED AGAIN. IT CONTINUED TO DO THIS WITH FLAPS 1 AND 5. AFTER DISCONNECTING THE AUTOPILOT THE NOSE UP AND NOSE DOWN TRIM STOPPED. THE STABILIZER TRIMMMED, NEVER RAN AWAY AND WE HAD FULL CONTROL OF THE ELECTRIC TRIM. GROUNDED - YES. DFCS BITE TEST FAULT HISTORY HAS NUMEROUS "SPD TRIM WARN" FAULTS FOR SYSTEM B, NO FAULTS SYSTEM A, THE FAULT CODE IS 22-11323. DFCS BITE TEST FAULT HISTORY CALLS OUT FCC-B. REMOVED FCC B COMPUTER PER B737-800 AMM 22-11-33-000-801. INSTALLED FCC B PER AMM 22-11-33-400-801. ACCOMPLISHED DFCS LRU REPLACEMENT TEST PER AMM 22-11-33-400-801 PARA I LRU REPLACEMENT TEST PASSED. ALSO ACCOMPLISHED DFCS LAND VERIFY TEST PER AMM 22-11-00/201 DFCS LAND VERIFY PASSED.
ON DESCENT WITH ENGINE ANTI-ICE SELECTED ON AND BOTH COWL VALVE OPEN LIGHTS ILLUMINATED DIM #2 ENG TAI ON ENGINE DISPLAY REMAINED ILLUMINATED AMBER. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE COWL TAI VALVE IAW B737-800 AMM 30-21-11 OPS CHECK GOOD. ETOPS GROUND VERIFICATION SUCCESSFUL.
AFTER SELECTING ENGINE ANTI-ICE ON DURING DESCENT IN ICING CONDITIONS, THE RIGHT ENGINE TAI INDICATION WAS AMBER WITH THE RIGHT AMBER COWL VALVE OPEN LIGHT INDICATING DIM BLUE. AFTER A FEW MINUTES THE AMBER TAI INDICATION CHANGED TO GREEN. GROUNDED - YES. PERFORMED ENGINE COWL ANTI-ICE OPERATIONAL TEST PER B737-800 AMM 30-21-00-710-801. GROUND RAN #1 AND #2 ENGINES FOR 5 MINUTES, CYCLING #2 ENG ANTI ICE SWITCH NUMEROUS TIMES W/ NO DEFECTS NOTED. OBSERVED COWL VALVE OPEN LIGHT ON P5-11 PANEL ILLUMINATE BRIGHTLY THEN DIM EACH TIME. ALSO VERIFIED 'TAI' INDICATION ON MFD/ ED ILLUMINATED GREEN, NO AMBER, EACH TIME. NO PREVIOUS HISTORY 90 DAYS.
DESCENT CHECKLIST MASTER CAUTION PUSHED RECALL. AMBER AIR COND. ILLUMINATED, LEFT PACK LT. ON RESET, LIGHT WENT OUT. GROUNDED - YES. REMOVED AND REPLACED #1 TCV PER B737-800 AMM 21-51-10. OPS CHECK GOOD. LEAK CHECK GOOD. ASA MEL CLEARED.
ATTEMPTED APU START, DURING START UP APU WENT TO AUTO SHUTDOWN. PERFORMED MULTIPLE ATTEMPTS WITHIN TOLERANCE TO START. EACH ENDING IN AUTO SHUTDOWN. GROUNDED - YES. ACCOMPLISHED BITE CHECK, FOUND FAULT CODE 49-41010. NO ACCELERATION SHUTDOWN. PERFORMED GVI ON EXHAUST SECTION OF APU. FOUND TURBINE BLADES TO ALL BE DAMAGED. APU REPLACED PER TASK CARD 78349010. LK AND OPS CK GOOD.
#1 ENGINE HARNESS MW0316 HAS CHAFED INSULATION AT FWD UPPER FAN FIRE DETECTOR 2 INCHES FROM RING TERMINAL. GROUNDED - YES. REMOVED RING TERMINAL AND HEAT SHRUNK TEFLON HEAT SHRINK OVER AREA. NO DAMAGE TO INNER WIRE. RETERMINATED RING TERMINAL PER B737-800 SWPM 20-30-11 AND B737-800 WDM 20-11-11-01. FIRE DETECTION SYSTEM GROUND VERIFICATION PASS REF B737-800 AMM 26-11-00-710-801
WHILE ACCOMPLISHING TASK CARD N8420001 DURING #2 ENGINE HARNESS GVI, FOUND J10 HARNESS DAMAGED. NEEDS P/N 325-043-503--0. REF IPC 73-21-06-01A ITEM 65. GROUNDED - YES. REPLACED J10 HARNESS, OPS CHECKS NORMAL REF B737-800 AMM 73-21-06-400-802.
CENTER TANK FUEL QUANTITY INDICATOR BLANK, TOTAL FUEL QUANTITY SHOWS NO INDICATION. GROUNDED - YES. FQIS BITE INFLT FAULT SHOWS FAULTS 28-41309 PROCESSOR FAILED AND 28-41315 ARINC OUTPUT BUS FAILED. REF B737-800 AMM 28-41-81, REMOVED/REPLACED FQIS PROCESSOR UNIT, OPS NML.
ZONE TEMP CONT CAB ON RECALL. GROUNDED - YES. PERFORMED PACK/ZONE TEMPERATURE CONTROLLER BITE PER B737-800 FIM 21-62 TASK 801 SHOWED FLT DECK TRIM VALVE FAULT BUT VERIFY TEST DID NOT CONFIRM FAULT. PERFORMED CABIN TEMP CONTROL AND INDICATION OPS TEST PERB737-800 AMM 21-61-00-700-807-002. ALL TESTS PASSED.
FWD OVERWING EXIT, A/C LEFT, LIGHTED EXIT PLACARD MISSING. GROUNDED - YES. INSTALLED EXIT LIGHT COVER LIGHT LENS ASSY LEFT FWD OVERWING EXIT PER B737-800 AMM 33-51-01.
REF L/P 60251656 - LAND VERIFY TEST FAIL ON FCC-A FOR ELEV ACT -1. GROUNDED - YES. FAILED DURING DUAL TEST 49.35 AND FAILS FOR SAME W/DUAL TEST 60.35. SHOWS FAULT MSG 22-11121 A/P ELEV ACTUATOR PROBLEM. ACCOMPLISHED B737-800 FIM 22-11 TASK 801 DFCS BITE NO FAULTS NOTED. ACCOMPLISHED DFCS BITE GROUP # 49 LAND VERIFY TEST PER B737-800 AMM 22-11-00-700-801 LAND VERIFY TEST, TEST PASSED ALSO ACCOMPLISHED DFCS BITE GROUP # 60 PER AMM 22-00-01-730-803 FOR MEL 22-99C REF LOG PAGE, BITE GROUP #60 TEST PASSED REF LOG PAGE 60251466. ALL TESTS PASSED.
AUTOTHROTTLE WILL NOT ENGAGE. GROUNDED - YES. UNABLE TO DUP./VERIFY DISCREP. W/ A/T TESTS. NO FAULTS LOGGED LAST 3 FLTS, FLTS 4-13 SHOW NUMEROUS FOUND FAULTS. REMOVED/REPLACED MCP PRECAUTIONARY REF. B737-800 AMM 22-11-34. MCP OPS NML REF. SAME AMM. A/T OPS NML REF AMM 22-31-00 OPERATIONAL TEST AND THROTTLE SERVO TESTS.
CONT CAB CONTROLLER CAUTION; EXTINGUISHED UPON MASTER CAUTION RESET. GROUNDED - YES. FAULT VERIFIED, ACCOMPLISHED CONTROL CABIN AUTO TEMPERATURE CONTROL DOES NOT OPERATE FAULT ISOLATION REF B737-800 FIM 21-61 TASK 861. #2 PACK/ZONE TEMPERATURE CONTROLLER SHOWS FAIL ON "FLIGHT DECK TRIM VALVE". REMOVED AND REPLACED V143 CONTROL CABIN TRIM AIR MODULATING VALVE REF AMM 21-61-21/401. PERFORMED AIR LEAK CHECK OF THE DUCT JOINTS AT THE TRIM VALVE, NO LEAK NOTED. ETOPS SIGNIFICANT SYSTEM VERIFICATION SUCCESSFUL.
AUTOTHROTTLE WILL NOT ENGAGE. GROUNDED - YES. PERFORMED A/T BITE AND SYSTEM TEST REF B737-800 AMM 22-31-00-710-802. BITE REVEALED FAULTS ON LEGS 1 AND 2, "A/T ENG 28 VDC INV" - MTX MSG - 22-31543, OCCURRED MULTIPLE TIMES ON BOTH LEGS. ALL TESTS PASS. THROTTLES MOVE SMOOTHLY AND WITHIN TORQUE RANGE. A/T ARM AND DISENGAGE TEST PASSES, NO FAULTS. CHECKS GOOD WITH EVERY METHOD. A/C OK FOR SERVICE. IN ADDITION, PERFORMED DFCS BITE IAW AMM 22-11-00-740-806. NO FAULTS PRESENT IN FAULT REVIEW. LRU REPLACE TEST FOR FCC IAW AMM 22-11-00-740-815, TEST PASSES.
AT CRUISE, FL350, RIGHT FUEL TANK "AFT" LOW PRESSURE LIGHT ILLUMINATED. FOLLOWED QRH AND TURNED PUMP OFF. GROUNDED - YES. REMOVED #2 AFT BOOST PUMP MOTOR IMPELLER PER B737-800 AMM 28-22-41/401. BONDING CHECKS, OPS CHECK AND LK CHECK GOOD.
ON ENGINE START, THE (R) GENERATOR WOULD NOT COME ONLINE, "GEN OFF LT" ON DRIVE LT ON. GROUNDED - YES. DRAINED #2 ENG IDG OIL. FOUND OIL AND FILTERS CLEAN OF DEBRIS. REMOVED AND REPLACED #2 ENG IDG REF B737-800 AMM 24-11-11. OPS CHECK COMPLETED NO DEFECTS NOTED. ETOPS GROUND VERIFICATION SUCCESSFUL.
ZONE TEMP CONT CAB , CANCELS ON RECALL. GROUNDED - YES. PACK/ZONE TEMPERATURE CONTROLLER BITE PER B737-800 FIM 21-62 TASK 801 SHOWED FLIGHT DECK TEMP CONTROL VALVE FAULT BUT VERIFY TEST DID NOT CONFIRM FAULT. CLEANED FLIGHT DECK TEMP SENSOR AND FILTER AND PERFORMED CABIN TEMP CONTROL AND INDICATION OPERATIONAL TEST PER B737-800 AMM 21-61-00-700-807-002 - ALL TESTS PASS.
WHILE PERFORMING T/C 78472010 CFM56-7 FAN BLADE LUBRICATION FOUND FWD SPINNER CONE WHITE ANTI-EROSION PAINT WORN OFF BEYOND 50%. GROUNDED - YES. REMOVED AND REPLACED FRONT SPINNER CONE REF TASK CARD # 78472010.
AT FL370, "SINGLE FMC OPS" ON MCDU SCRATCH PAD. FO ND AMBER "MAP" DISPLAYED. FO PFD, AMBER "LDG ALT" DISPLAYED. NO RNP OR ANP DISPLAYED ON FO ND MCDU POS SHIFT PAGE 3/3 SHOWS NO DATA FOR FMC-R. FOLLOWED QRC FMC FAIL. CONTINUED FLIGHT WITH FMC TRANSFER SWITCH, BOTH ON LEFT. GROUNDED - YES. PERFORMED FMC SYSTEM BITE PER B737-800 FIM 34-61 TASK 801. EACH FLIGHT LEG ON L&R FMC'S INDICATED PROGRAM PIN MISMATCH. AT FMC DIP SWITCH 1, M1990, FOUND SWITCH 1, 3, 5, AND 13 IN THE INCORRECT SETTING FOR YL103 EFFECTIVITY. SET M1990 DIP SWITCHES PER FMC PROGRAM PINS B737-800 WDM 34-61-19 PAGE 13 SHEET 1. FMC SOURCE SELECT SWITCH RETURNED TO NORMAL POSITION.
DIGITAL WINDOW FOR IAS/MACH AND ALT ON MCP PANEL ARE DIFFICULT TO READ. GROUNDED - YES. REMOVED DFCS MODE CONTROL PANEL (MCP) PER B737-800 AMM 22-11-34-000-801 INSTALLED MCP PER AMM 22-11-34-400-801 INSTALLED/REMOVED 9 MIG-51A. PERFORMED MCP INSTALLATION TEST PER AMM 22-11-34-740-801 DFCS BITE GROUP #32 LRU REPLACEMENT TEST AND DFCS BITE GROUP #49 LAND VERIFY TEST PER AMM 22-11-00/201. ALL TESTS PASSED PERFORMED HGS SYSTEM TEST PER SMM 34-36-00 HGS SYSTEM TEST PASSED APPROACH SURVEY COMPLETED FOR BOTH, REF LOG PAGE 60287578 FOR REMOVAL OF MEL 22-16K. A/C RELEASED FROM MEL 22-16G C/N 25018584 REMOVED. SEAMC DAVE NOTIFIED.
DURING CRUISE WE LOST VNAV GUIDENCE AN THE #1 FMC AND BOTH FMC'S WENT BLANK. WE HAD A VTK ON DISPLAY #1. AFTER A BREIF PERIOD ALL SYSTEMS WERE RESTORED. GROUNDED - YES. PERFORMED B737-800 FIM 34-61 TASK 836 "FMC DOES NOT OPERATE" NO FAULTS NOTED, NO HISTORY, OK FOR SERVICE.
DURING ENG FIR TEST, #1 T. HANDLE DOES NOT ILLUMINATE W/ A LOOP (OVHT DET) FAULT LIGHT ILLUMINATED AND HANDLE NOT LIT. TEST W/ B OVHT DET SELECTED ILLUMINATED AS NORMAL. GROUNDED - YES. VERIFIED DEFECT. PERFORMED ALTERNATE DEACTIVATION REF CHAP 5. REMOVED AND REPLACE MW0325 HARNESS ON #1 ENGINE REF B737-800 AMM 26-11-02. OP CHECK GOOD. ALTERNATE DEACTIVATION PROCEDURES REVERSED. ETOPS GROUND VERIFICATION SUCCESSFUL. THIS CLEARS MEL 26-2B, CN 23022584. PLACARDS REMOVED. SEA MC JAKE NOTIFIED.
#1 ENGINE A LOOP FAULT. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 26-10 TASK 805 FOUND CONNECTOR DJ2501 LOOSE RETIGHTENED CONNECTOR. RETESTED ENGINE #1 ENGINE #1 TESTS IN BOTH LOOP A AND B NO MAINTENANCE MESSAGES SHOW DURING CONTROL MODULE BITE. ENGINE #1 TEST SWITCH RETURNED TO NORMAL POSITION.
EXIT SIGN LENS OVERHEAD MID CABIN DETACHED. GROUNDED - YES. RE-INSTLD EXIT SIGN LENS REF B737-800 AMM 33-51-01 A/C OK FOR SVC.
ZONE TEMP LIGHT AFTER ENGINE START ON RECALL ( CONT CAB). GROUNDED - YES. C/W CABIN TEMP CONTROLLER BITE AND FOUND #2 PACK CABIN TEMP ZONE VAL FAULT, RESETED AND DOES NOT REAPPEAR, BOTH PACK TEMP CONTROLLERS OPS NORMAL.
ENGINE NO 2 FIRE WARNING SWITCH DOES NOT ILLUMINATE ON PREFLIGHT TEST NO. 2 OVERHEAT LT DOES NOT ILLUMINATE. FAULT LT ILLUMINATES. GROUNDED - YES. REF CORRECTIVE ACTION ON TSR711159, ACCOMP FIRE OVERHEAT OPERATIONAL TEST REF B737-800 AMM 26-10-00-710-801 TEST PASS. VERIFIED FAULT STILL PRESENT WITH HIGH RESISTANCE ON D998 24-25. AFTER SHAKING MW0325, RESISTANCE DROP CONSIDERABLY. RESISTANCE FOR RIGHT CORE DETECTOR 2461, LEFT CORE 3041 NUMBERS STAYED SOLID WHEN TAPPING. CONTINUITY CHECK FLUCTUATES WHEN SHAKING MW0325 RIGHT AT THE T LOWER HARNESS GOING TO LEFT CORE. REPLACED MW0325 OLD STYLE HARNESS TO NEW CA243-02 REF AMM 26-11-02-400-802. NOW WITH IN LIMITS REF FIM 26-10 TASK 805. REINSTALLED ENGINE APU FIRE CONTROL MOD, TEST PASS.
FMC WILL NOT UPLOAD ANY DATA. NO WIND REQUEST PROMPT. GROUNDED - YES. SEE LOG PAGE 60112064 FOR CORRECTION OF DEFECT. REMOVED AND REPLACED #2 FMCS COMPUTER IAW AMM 34-61-02-000-801 AND AMM 34-61-02-400-801, ALL REQUIRED SOFTWARE LOADED INTO #2 FMCS COMPUTER AND ADJUSTED FMCS PERFORMANCE FACTORS. ETOPS GROUND FUNCTIONAL CHECK GOOD IAW AMM 34-61-00-710-801. CLEARS MEL 34-36J, CONTROL NUMBER 14043584 REMOVED, SEAMC WILL NOTIFIED, NO AIRCRAFT CONFIGURATION CHANGE.
RIGHT FMC FAILED IN FLIGHT. - ON N.D. (F/O) GOT "MAP" & "VDK" FLAGS. - ON MCDU GOT SINGLE FMC OPERATIONS MSG. - FMC POS PAGE 3063 FMC R "BLANK". GROUNDED - YES. REMOVED AND REPLACED #2 FMCS COMPUTER IAW B737-800 AMM 34-61-02-000-801 AND AMM 34-61-02-400-801, ALL REQUIRED SOFTWARE LOADED INTO #2 FMCS COMPUTER AND ADJUSTED FMCS PERFORMANCE FACTORS. ETOPS GROUND FUNCTIONAL CHECK GOOD IAW AMM 34-61-00-710-801.
SHORTLY AFTER TAKEOFF WE LOST VNAV ON THE FMA AND VERTICAL GUIDANCE ON FLIGHT DIRECTOR WITH ERRONEOUS LNAV INFORMATION ON THE FO PFD. CAPTAINS LNAV GUIDANCE NORMAL. GROUNDED - YES. PERFORM B737-800 FIM 34-61 TASK 836 CYCLED BOTH FMC'S CIRCUIT BREAKERS. NO DEFECTS NOTED.
RIGHT FMC FAIL. GROUNDED - YES. PERFORMED FMC SYSTEM RESET REF B737-800 FIM 34-61 TASK 836. ETOPS GROUND VERIFICATION NORMAL, NO HISTORY LAST 90 DAYS SEAMC DAVE NOTIFIED.
AT TOD W/MASTER CAUTION RECALL #1 PACK LIGHT ILLUMINATED, PER QRH & MASTER CAUTION RESET-LIGHT WENT OUT. GROUNDED - YES. (RESOLVED ON W/O: 1882885 TASKCARD: N/R-00001 ) REMOVED AND REPLACED LH RAM AIR ACTUATOR REF B737-800 AMM 21-51-21, OPS CHECK GOOD BITE TEST PASSED W/ NO FAULTS FOUND AT THIS TIME. THIS CLEARS MEL 21-5C, PLACARD & CN REMOVED. MX PROCEDURE RETURNED TO ORIGINAL CONFIGURATION SEAMC ANDY NOTIFIED.
PER T/C 78472010 #2 ENG FAN BLADE LUBE #7 SPACER ELASTOMER IS DISBONDED. GROUNDED - YES. REMOVED AND REPLACED #2 ENG #7 SPACER REF TASKCARD 78472010.
L/H AFT OVERWING EXIT SIGN FWD BULB INOP. GROUNDED - YES. RELAMPED. OPS CHECK GOOD IAW B737-800 AMM 33-51-00.
NO LIGHT OFF DURING ENGINE START ENGINE #1 WHEN USING RIGHT IGNITOR. ENGINE #1 STARTS NORMALLY USING LEFT IGNITOR. GROUNDED - YES. ALTERNATE DEACTIVATION PROCEDURES USED PER MPM CH5 TABLE 3 ITEM 7 REMOVED AND REPLACED #1 ENG R/H IGNITOR PLUG IAW B737-800 AMM 74-21-02. REVERSED CONFIGURATION CHANGES. IGN 1 LEAD PUT TO IGN 1 EXCITER BOX ETC. PERFORMED IGNITION SYSTEM AUDIBLE TEST IAW AMM 74-00-00. TEST GOOD.
WHEN ATC BUTTON PRESSED, KEY FUNCTION INOP IS DISPLAYED ON FMC. GROUNDED - YES. RESET SYSTEM, OPS TEST NORMAL REF B737-800 AMM 34-61-00.
REF L/P 60181794 & 60181796, DFCS LAND VERIFY TEST FAILS "ELEVATOR POSITION SENSOR -1, MSG# 22-11125.". GROUNDED - YES. ACCOMPLISHED LAND VERIFY TEST PER B737-800 AMM 22-11-00/201. NO FAULTS NOTED. ELEV SENSOR VALUES A & B ARE WELL WITHIN LIMITS. AUTOTHROTTLE TESTS GOOD PER AMM 22-31-00/501.
ON CLIMB OUT PASSING 23000 FEET, WE SAW "SINGLE FMC OPERATION" AND VTK ON F/O NAV DISPLAY. THIS OCCURRED TWICE AND THEN WE REGAINED DUAL FMC OPERATION. OCCURRED AGAIN ON DESCENT THROUGH 270. IT REESTABLISHED ITSELF AFTER 30 SECONDS. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 34-61 TASK 836 FMC RESET. OPS CHECK NORMAL.
FO FMC DISPLAYED VTK AND MAP TWICE. BOTH TIMES IMMEDIATELY AFTER LEVEL OFF FROM CLIMB. GROUNDED - YES. ACCOMPLISHED FMC BITE, REF B737-800 FIM 34-61 TASK 801. NO CURRENTLY ACTIVE FAULTS.
CAPTAIN FMC FAILED IN FLIGHT. GROUNDED - YES. B737-800 FIM 34-61 TASK 801, FMCS BITE FAULTED FMC-L, OPENED & TAGGED 2 C/B, REMOVED & REPLACED FMCS-L, REMOVED TAGS & RESET 2 C/B, LOADED & VERIFIED SOFTWARE, ADJUSTED FMCS AND INSTALLATION TEST GOOD B737-800 AMM 34-61-02/401.
CAPTAINS FMC FAILED. GROUNDED - YES. RESET FMC. FMC OPERATED NORMAL RESET ON B737-800 FIM 34-61 TASK 836, A/C OK FOR SERVICE SEAMC MIKE.
FO ND DISPLAYS MAP MODE. GROUNDED - YES. PERFORM FMC RESET PER B737-800 FIM 34-61 TASK 836 FO ND DISPLAY RETURNED TO NORMAL NAV FLAG CLEARED A/C OKAY FOR SERVICE SEAMC DAVID NOTIFIED.
DURING CRUISE VTK AND MAP FLAGS ON CAPTAINS MAP DISPLAY 2 MINUTES LATER AND PRIOR TO QRH PROCEDURE FLAGS WAENT AWAY AND A MAP FLAG APPEARED ON FO'S DISPLAY ALONG WITH SINGLE FMC OPERATION IN SCRATCH PAD. PERFORMED QRH AND FO'S DID NOT RESTORE. GROUNDED - YES. REF B737-800 FIM 34-61 TASK 836 CYCLED FMC C/B FMC OPERATIONS RETURNED TO NORMAL.
EMERGENCY LIGHTS COMMON TO POWER SUPPLY M1674 INOP. GROUNDED - YES. REMOVED & REPLACED POWER SUPPLY M1674 IAW B737-800 AMM 35-51-06-960-806. OP CHECK GOOD.
REPEAT OIL LEAKING #1 ENG ONTO FMU PUDDLING. GROUNDED - YES. REMOVED TGB REF B737-800 AMM 72-62-00-000-801-F00, INSTALLED SERVICEABLE TGB REF AMM 72-62-00-400-801-F00. ACCOMPLISHED TEST 3 B OF AMM 71-00-00-700-023-F00 REF ALSO AMM 72-62-00-400-801-F00.
AFTC AND FMC/COMM BUTTONS BOTH DISPLAY "KEY/FUNCTION INOP" IN SCRATCH PAD UNABLE TO ACCESS ATC MENU. GROUNDED - YES. CYCLED #1 & #2 FMS COMPUTER C/B FMC COMM BUTTONS OPS CHECK GOOD.
AFTER START THE CONT CAB ZONE TEMP LIGHT ILLUMINATED AFTER PUSHING RECALL, (ANNUN PANEL) EXTINGUISHED AFTER PUSHING THE MASTER CAUTION LIGHT. GROUNDED - YES. PERFORMED B737-800 FIM 21-62 TASK 801, FOUND TRIM VALVE FLT DECK LIGHT ILLUMINATED ON CONTROLLER, INSPECTED WIRING & CLEANED CANNON PLUG ON ZONE TRIM AIR VALVE. RE-PERFORMED BITE CK NO FAULTS NOTED.
WHILE REPLACING NR 1 ENGINE FUEL PUMP PACKAGE FUEL/OIL HEAT EXCHANGER FAILED BOLT TORQUE LOCKING CHECK. GROUNDED-YES. REMOVED AND REPLACED MAIN OIL/FUEL HEAT EXCHANGER, IAW B-737-800 AMM 79-21-02-000-801-F00 AND AMM 79-21-02-400-801-F00. ACCOMPLISHED TESTS 12, 3A, 13 ON POWERPLANT TEST, REF TABLE. TEST ACTUATORS TEST GOOD, LEAK CHECK GOOD, EEC TEST GOOD.
PILOT OBSERVED OIL DRIPS UNDER NR 1 ENGINE COWL. GROUNDED-YES. RUN NR 1 ENGINE AT IDLE, DID NOT OBSERVE LEAK FROM ANY DRAIN LINES, BUT LEFT SIDE OF ENGINE COWL WAS WET FROM ENGINE OIL POSSIBLE LEAK FROM HEAT EXCHANGER. FOUND HMU LEAKING ON NR 1 ENGINE. REMOVED AND REPLACED HMU, IAW ASA MTX TASK CARD N8473000 FOR REMOVAL AND TASK CARD N8473001 FOR INSTALLATION. ACCOMPLISHED TESTS 12, 3A, 13 ACTUATOR TESTS GOOD, IDLE LEAK CHECK GOOD, EEC TEST GOOD.
ON RECALL CONT CAB ZONE TEMP LIGHT COMES ON. GROUNDED-YES. REPLACED ZONE TRIM AIR MODULATING VALVE, REF B737-800 AMM 21-61-21-400-801. OPERATIONS NORMAL. CLEARED FAULT, REF AMM 21-61-00-700-806-002.
RIGHT PACK ILLUMINATES ON MASTER CAUTION CAUTION RECALL. RIGHT PACK EXTINGUISHES WHEN RESET. GROUNDED-YES. VERIFIED FAULT, ACCOMPLISHED ZONE TEMP CONT BITE. NR 2 CONT SHOW ACT FAULT. NR 1 SHOWS NO FAULTS. ACCOMPLISHED BITE RESET. REACCOMPLISHED ZONE TEMP CONT BITE, NO FAULTS FOUND. RAN RT PACK FOR 20 MINS NO PACK FAULT LIGHTS ILLUMINATED. ACCOMPLISHED ZONE TEMP CONT BITE TEST. TEST PASS NO FAULTS, REF B737-800 FIM 21-62 TASK 804.
INTERMITTENT VERIFY GW AND FUEL SWITCH PAD MESSAGE WHEN MESSAGE APPEARS FUEL ON PERF INT PAGE IS DASHES. GROUNDED-YES. MULTIPLE FUEL QTY PROCESS UNIT FAULTS LAST LEG AND MULTIPLE FLIGHTS. REMOVED AND REPLACED PROCESSOR, REF B737-800 AMM 28-41-81/401. OPERATIONS CHECK OK. FQIS OPERATIONS TEST PASS, REF AMM 28-41-00-710-801. ETOPS GROUND VERIFICATION OK.
AUTOTHROTTLE WILL NOT ENGAGE. GROUNDED-YES. PERFORMED A/T OPERATIONS TEST, IAW B737-800 AMM 22-31-00-710-801 AND SYSTEM TEST IAW AMM 22-31-00710-802. NO FAULTS NOTED. ALL TESTS PASS. PERFORMED LAND VERIFY TEST, IAW AMM 22-11-00-710-801. NO FAULTS FOUND.
RT FMC FAIL. GROUNDED-YES. REFERENCE B737-800 FIM 34-61 TASK 836 CYCLED CB TO RT HAND FMC. RT HAND FMC RECOVERED.
AUTOTHROTTLE WON'T ENGAGE. GROUNDED-YES. PERFORMED AUTOTHROTTLE BITE, PER B737-800 FIM 22-31 TASK 801. NO CURRENT FAULTS. FOUND FAULT CODE 22-31543. PERFORMED FIM 22-31 TASK 830 WITH NO FAULTS. PERFORMED AUTOTHROTTLE SYSTEM TEST, PER B737-800 AMM 22-31-00-710-802 WITH NO FAULTS.
FO'S COURSE MCP WINDOW INOPERATIVE. GROUNDED - YES. F/O MCP CRS WINDOW INOPERATIVE. ACCOMPLISHED MCP TEST IAW 22-11-34, NO FAULTS.
NR 2 ENGINE B SIDE FIRE LOOP WILL NOT TEST. GROUNDED - YES. PERFORMED FIM 26-10, TASK 810. BITE CHECK SHOWS FAULTED ENGINE 2 LOOP B LOW DETECTOR RESISTANCE. CLEANED CONNECTIONS. PERFORMED RESISTANCE CHECK ON ALL FIRE LOOPS ALL RESISTANCE WITHIN LIMITS. FOUND OIL CONTAMINATION ON B LOOP ENG FAN LWR LOOP B TERMINAL, CLEANED TERMINAL AND POST, AND SECURED. FOUND CORROSION ON THE ENG CORE LEFT LOOP B, REMOVED CORROSION AND SECURED. ALL TESTS PASSED. FAULT NO LONGER ACTIVE.
CAPT FLIGHT DIRECTOR FAILED. AFTER ABOUT AN HOUR, IT WAS INTERMITTENT, ALONG W/ MACH TRIM FAIL LIGHT. GROUNDED - YES. FCC 'A' LOGGED SEVERAL INTERNAL FAULTS LAST LEG, R & R SAME PER B737-800 AMM 22-11-33. SYS OPS CKS NML PER SAME, LAND VERIFY PASS AND FLT DIR BITE GRP 12 PASS.
R2 WINDOW OVERHEAT LIGHT, EXTINGUISHED FOR MOST OF THE FLIGHT THEN ILLUMINATED AGAIN ON DESCENT THROUGH 8,000. SAT WAS 13'C AT 8000'. GROUNDED - YES. ACCOMPLISHED WHCU BITE IAW FIM 30-41 TASK 801. BITE SHOWS R2 WINDOW SENSOR FAULT LIGHT. ACCOMPLISHED RT WINDOW TAP IAW WDM 30-41-11. REMOVED AND REPLACED R2 WINDOW IAW AMM 56-12-11. OPS AND LEAK CHECKED GOOD.
RT SIDE WINDOW OVERHEAT LIGHT CAME ON DESCENDING THRU 10,000 FT INTO ANC. COMPLETED CHECKLIST, LIGHT STAYED OUT/ OPERATED NORMALLY FOR REMAINDER OF FLIGHT. GROUNDED - YES. RT SIDE WINDOW CONTROLLER SHOWS P5-9 CONTROL FAULT. REPLACED OVERHEAD P5-9 MODULE PER AMM 30-41-41 & FIM 30-41 TASK 813. CLEARED FAULT ON WINDOW CONTROLLER.
R2 WINDOW OVERHEAT ILLUMINATED DURING DESCENT GROUNDED - YES. APPLIED QRH PROCEDURE RESET SUCCESSFUL.
HF2 COMM PANEL SHOWS "FAIL" IN FREQ SELECTOR WINDOWS. GROUNDED - YES. PERFORMED B737-800 FIM 23-11 TASK 803. OP CK NORMAL.
CONT CAB ZONE TEMP LIGHT ILLUMINATED WITH RECALL. GROUNDED - YES. ACCOMPLISHED OPS CK OF FLT DECK (CONT) TRIM VALVE PER B737-800 AMM 21-51-00. NO DEFECTS NOTED. ACCOMPLISHED BITE CK OF BOTH CONTROLLERS PER AMM 21-61-00. NO FAULTS. ALL CK OK.
WHILE ACCOMPISHING T/C 78472022 (SDI BORESCOPE ENGINE HPT BLADE) FOUND 1 LPT NOZZLE WITH 1 FULL CRACK, 1 RADIAL CRACK THAT INTERSECTS WITH THE F00000NOPARTULL CRACK, A HOLE IN HTE LPT NOZZLE WHERE THE CRACKS INTERSECT, AND AIRFOIL MATERIAL LIFTING OFF FWD OF THE HOLE. ON THE #1 ENGINE. ESN 894851. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE. DEFECT TRANSFERRED TO SHOP W/O 1165100.
ON WALKAROUND NOTICED FUEL DRIPPING FROM #1 ENG COWL. GROUNDED - YES. OPENED #1 ENG FAN COWL. RAN #1 ENG FOR FIVE MINUTES. NOTICED LEFT VSV DRAIN LEAKING AT 3 DROPS/MIN AND HPTCCV AT 4 DROPS/MIN REF B737-800 AMM 71-71-00-200-801 F00. REMOVED LEFT VSV ACTR AND HPTACCV WITH #1 ENGINE. DEFECT TRANSFERRED TO SHOP W/O 1165100. PLT CLEARED.
LEFT PACK LIGHT ILLUMINATES OM MC RECALL. RESETS W/MC RESET. GROUNDED - YES. BITE OF M1442 ZONE TEMP CONTROLLER #1 FAULTS "TCV THIS PACK" REF B737-800 FIM 21-62 TASK 830. REPLACED TCV V139. INSTALLATION TEST PASSES, NO LEAKS NOTED REF B737-800 AMM 21-51-10-400-801.
FA REPORTS THAT CEILING EXIT SIGN AT WING EXITS FELL OFF. GROUNDED - YES. INSPECTED LIGHT FIXTURE AND LIGHT LENS ASSEMBLY. FOUND NO DEFECTS. REINSTALLED LIGHT LENS ASSY AS REQUIRED. OPS NORMAL.
LEFT MAIN FWD FUEL PUMP "LOW PRESSURE" LIGHT ON. GROUNDED - YES. REMOVED AND REPLACED L/H FWD FUEL BOOST PUMP REF B737-800 AMM 28-22-41. OPS AND LEAK CHECK NORMAL. GROUND VERIFICATION COMPLETE.
EXIT LENS MISSING AT AFT DIVIDER BY GALLEY (LEFT SIDE). GROUNDED - YES. INSTALLED EXIT LENS MISSING. REF B737-800 AMM 33-51-01. GRD CHECK OK.
#2 ENGINE SN-892792 AFT SIDE OF THE J-HOOK STAGE 3 VSV T/E @ 12 O'CLOCK HAS MISSING MATERIAL REF T/C CMPT-72EO-02015-3 GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE PER SHOP WO 1038123
CENTER AISLE EXIT SIGN AT 16 ROW FELL OFF. GROUNDED - YES. REINSTALLED PLASTIC EMERGENCY EXIT SIGN COVER - NO OTHER DEFECTS NOTED. LIGHT OPS NORMAL.
R ELEV PITOT LIGHT CAME ON DURING TAXI TO THE RUNWAY. GROUNDED - YES. REF B737-800 FIM 30-31-TASK 809, DISCONNECTED D638 CONNECTOR & INSPECTED PINS NO DEFECTS NOTED, REINSTALLED CONNECTOR R ELEV PITOT LIGHT REMAINS ON. REPLACED RH ELEV PITOT PROBE REF B737-800 AMM 27-31-94 OPS CHECK GOOD, NO DEFECTS NOTED.PERFORMED ELEVATOR PITOT SYSTEM LEAK, OPS CHECK GOOD REF AMM 27-31-17-790-801.
WINDOW HEAT LEFT SIDE OVERHEAT. GROUNDED - YES. ON DEFERRAL.
LEFT SIDE WINDOW HEAT OVERHEAT LIGHT ILLUMINATED ON GROUND. CYCLED SWITCH PER QRH 3.5 SYSTEM RESET GOOD. GROUNDED - YES. CONFIRMED FAULT, WHC SHOWS SENSOR FAULTS. ACCOMPLISHED "RESISTANCE CHECK WINDOW TEMPERATURE SENSORS" REF B737-800 AMM 30-41-21-760-801, BOTH PRIMARY & SPARE SENSORS SHOWS 320 OHMS. DUE TO HISTORY (CAPT'S SLIDING WINDOW), RE-POSITIONED WIRE TO THE SPARE SENSOR TERMINAL, OPS CK NML.
CLIMBING THROUGH FL210, LEFT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED. GROUNDED - YES. FOLLOWED QRH 3.5 PROCEDURES. LIGHT EXTINGUISHED AND REMAINED OFF.
DURING ACCOMP #1 ENG S/N 894857 T/C 78472010 FAN LUBE FOUND MISSING CU NI COATING ON BLADES #7, #9, #12. GROUNDED - YES. REMOVED AND REPLACED #7, #9, AND #12 FAN BLADES ON #1 ENGINE AND PAIR BLADES #24, #19, AND #21 REF T//C #78472010
EXIT SIGN AT ROW 17 AISLE OVERHEAD -LENS FELL OFF. GROUNDED - YES. REATTACHED LENS COVER PER B737-800 AMM 33-51-01.
#2 ENGINE N1 ROTATION STOPPED AT 20% AND THEN ROLLED BACK. START VALVE REMAINED OPEN AFTER SECOND ATTEMPT (N1 DIDN'T MAKE IT PAST 17% ON 2ND ATTEMPT). GROUNDED - YES. OPENED FAN COWLS #2 ENG REF B737-800 AMM 71-11-02-410-806-F00 USING ALT DEACTIVATION TABLE 3, ITEM 9. FOUND METAL DEBRIS COMING FROM THE STARTER. REMOVED AND REPLACED STARTER MOTOR REF AMM 80-11-01. SERVICED STARTER REF AMM 80-11-01-610-801-F00. PERFORMED DRY MOTOR LEAK TEST REF AMM 71-00-00-700-810-F00. NO LEAKS FOUND.
WHEN PERFORMING IDLE POWER TEST ON #2 ENGINE START VALVE LIGHT REMAINED ON AND BLINKED. GROUNDED - YES. REMOVED AND REPLACED #2 ENG STARTER VLV REF B737-800 AMM TASK 80-11-03/401. START VALVE TEST AND TEST #1 (PNEUMATIC LEAK CHECK) FROM POWER PLANT TEST REFERENCE TABLE BOTH GOOD. WHEN PERFORMING IDLE POWER TEST ON #2 ENGINE, START VALVE LIGHT DID NOT REMAIN ON. OK FOR SERVICE.
AUTOLAND APPROACH SURVEY NOT SUCCESSFUL APPROACH MODE DISCONNECTED APPX 500 FT AGL. GROUNDED - YES. NO FAULTS LOGGED LAST FLIGHT DFCS CHANNEL A & B DFCS LAND VERIFY CHANNEL A & B GRP 49 BITE CKS NORMAL. FCC REPLACEMENT TEST GRP 35 BITE CKS NORMAL HGS NO FAULT LOGGED LAST FLIGHT. HGS OPERATIONAL TEST OPS CKS NORMAL.
EXIT SALIDA DIRECTIONAL SIGN FELL OFF IN MID CABIN. GROUNDED - YES. REATTACHED EXIT ROW SIGN PER B737-800 AMM 33-51-01.
MID CABIN CEILING EMERGENCY EXIT SIGN HAS HAD A PIECE FALL OFF. GROUNDED - YES. RESECURED EMERGENCY EXIT SIGN LENS.
FRONT PART OF EXIT SIGN MISSING ABOVE ROW 16-17. GROUNDED - YES. REPLACED MISSING FRONT PART OF EXIT SIGN ABOVE ROW 16-17 WITH NEW EXIT SIGN LENS REF. AMM 33-51-01.
ZONE TEMP LIGHT ILLUMINATED ON RECALL FOR CONT CAB ON AIR CONDITIONING PANEL OVERHEAD. GROUNDED - YES. PERFORMED BITE TEST OF ZONE TEMP CONTROLLER #1, CURRENT FAULT SHOWS FLT DECK TRIM VALVE REF B737-800 AMM 21-61-00. RESET CONTROLLER, NO CURRENT FAULTS SHOWN, NO HISTORY 30 DAYS.
RIGHT TRANSFER BUS OFF LIGHT ILLUMINATED TWICE IN FLIGHT, ACCOMPANIED BY M/C LIGHT. ILLIMUNATION WAS A HALF SECOND BOTH TIMES, NOT ACCOMPANIED BY ANY OTHER INSTRUMENT INDICATION. FIRST TIME WAS AT CRUISE. SECOND TIME WAS DURING DESCENT. GROUNDED - YES. REMOVED AND REPLACED #2 IDG PER B737-800 AMM 24-11-11/401. PERFORMED OPERATIONAL CK PER AMM TASK 24-11-00-700-803. POWER LEAK CHECK COMPLETED PER AMM TASK 71-00-00-700-823-F00, NO LEAKS FOUND. PERFORMED IDG UNSCHEDULE REMOVAL FOR CAUSE INSPECTION REF AMM 24-11-11-080-801, NO FILTER CONTAMINATION FOUND. A/C OK FOR SERVICE.
TRANSFER BUS OFF LIGHT #2 BEGAN TO FLICKER JUST AFTER TOP OF DESCENT TO JFK, IT WAS ALWAYS A VERY QUICK FLASH AND CAUSED THE MASTER CAUTION TO FLASH AS WELL. NO OTHER SYSTEMS SEEMED TO BE AFFECTED AND THE BUS SEEMED TO REMAINED POWERED CONTINUOUSLY. THE INTERMITTENT FLICKERING CONTINUED UNTIL ABOUT 17,000' MSC OR ABOUT 10 MINUTES. GROUNDED - YES. ACCOMPLISHED FIM TASK 24-21 TASK 819. FLICKERING WAS AN INTERMITTENT FAULT. ALL CHECKS NORMAL. NO DEFECTS NOTED AT THIS TIME. CREW RAN BOTH ENGS AND GROUND VERIFICATION WAS SUCCESSFUL. REF FIM 24-21-TASK 819.
AFTER DEPARTURE ELECTRIC TRIM INOP ON BOTH CONTROL COLUMNS. ENGAGED AUTOPILOT PER QRH & STAB OUT OF TRIM LIGHT ILLUMINATED. GROUNDED - YES. AIR TURNBACK. DIVERSION TIME 51 MINUTES - VERIFIED DEFECT, ACCOMPLISHED FIM 27-41 TASK 804 VERIFIED 115VAC ON D700 PINS 1,2 AND 3 TO PIN 10. REMOVED AND REPLACED STAB TRIM MOTOR REF AMM 27-41-71. ALL GND TESTS PASS.
HF 2 SHOWS FAIL IN BOTH ACTIVE AND STANDBY FREQUENCY. GROUNDED - YES. PERFORMED FIM TASK 23-11 TASK 801, FOR HF #2 RADIO, NO DEFECTS NOTED.
ON MASTER CAUTION RECALL AFTER START CHECKLIST GOT A MACH TRIM FAIL LIGHT. AS PER QRH IT DID RESET ON SUBSEQUENT RECALL. GROUNDED - YES. CYCLED SHIPS POWER. ACCOMPLISHED DFCS BITE REF B737-800 FIM TASK 22-11 TASK 801. CURRENT STATUS PASSED MACH TRIM A AND B PASSED. OKAY FOR SERVICE.
FMC FAIL AND VTK FLAG UPON LANDING OF F/O SIDE. GROUNDED - YES. PERFORMED FIM 22-11 TASK 812. NO FAULTS FAULTS AFTER TEST,BITE CK. PER STEP D SUB TASK [B] AN INTERMITTENT FAULT OCCURRED & CLEARED. NO FAULTS /FLAGS AFTER FIM 22-11 TASK 812. AIRCRAFT OK FOR SERVICE.
AUTOLAND FAILED. APPCH WARN AND R/O CTN AT 80' RA. GROUNDED - YES. A/P CURRENT STATUS IS OK REF FIM TASK 22-11 TASK 801.
FOUND FAULT CODE 22-11235 A SYSTEM FAULT, THIS AFFECTS THE A SYSTEM AUTOPILOT. GROUNDED - YES. ATTEMPTED TO APPLY 22-1F, FOUND ALTITUDE ALERT TO BE AFFECTED. NO ER OPS ALLOWED FOR THAT MEL. FCC A HAS FAILED AND REQUIRES REPLACEMENT. REMOVED AND REPLACED FCCA REF B737-800 AMM 22-11-33. OPENED/RESET 7EA C/B P18. ALL GND TEST PASS.
EXIT SIGN FELL OFF AT ROW 16 CENTER AISLE. GROUNDED - YES. REINSTALLED COVER ASSY OK FOR SERVICE.
R1 WINDOW OVERHEAT LIGHT ILLUMINATED ON GROUND. DOES NOT RESET PER QRH. GROUNDED - YES. RESET A/C WINDOW HEAT C/B ON P18 PANEL. IAW SWPM 20-60-00. R1 WINDOW HEAT OPS CHECK GOOD.
PASSENGER COMPARTMENT FLOOR STA 312 - STA 328 RBL 31 INTERCOSTAL CRACKED ON UPPER SURFACE GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL AT PASSENGER FLOOR STA 312 - STA 328 RBL 31 IAW B737-800 SRM 51-40-02-0G-0
FWD PASS COMPT FLOOR STRUCTURE INTERCOSTAL BETWEEN STA 294.5 AND STA 312 AT LB 12 HAS CORR ON UPPER SURFACE. GROUNDED - YES. REMOVED,DRILLED, LOCATED AND INSTALLED NEW INTERCOSTAL IAW BDWG #141A5600 W 1" O .080" R 0.0" L 6" D .080".
PASSENGER COMPARTMENT FLOOR BEAM STA 294 HAS EVIDENCE OF CORROSION. GROUNDED - YES. REPAIRED FLOOR BEAM AT STA 294 IAW ALASKA E.A 800-53EA-21495W:1" O:.094" R:.065" L:1" D: .029".
PASSENGER COMPARTMENT FLOOR 986.5 FLOOR BEAM UPPER SURFACE CORRODED AT FASTENER HOLE GIRT BAR FITTING. GROUNDED - YES. REPAIRED 986.5 FLOOR BEAM UPPER SURFACE HOLE GIRT BAR FITTING IAW ALASKA EA: 800-53-EA-21508W=1.5" O=.150 R=.110 L=2.0" D= .040.
PASSENGER COMPARTMENT FLOOR WET AREA AT STA 947.5 HAS CORROSION. GROUNDED - YES. REPAIRED 947.5 FLOOR BEAM IAW B737-800 SRM 53-70-51-2R-5 AND ALASKA AIRLINES EA 800-53EA-21558.
986 FLOOR BEAM AT LEFT GIRT BAR ATTACH HOLE HAS AREA OF CORR. GROUNDED - YES. REPAIRED 986 FLOOR BEAM L/H SIDE IAW B737 800 SRM 53 70 51 2R 4 REPAIR 4 W 1.5 O .150 R .057 L 2 D .093.
PAX COMPARTMENT FLOOR STA 312-STA 328 RBL 31 INTERCOTAL CRACKED ON UPPER SURFACE. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL AT PAX COMPARTMENT FLOOR STA 312 STA 328 RBL 31 IAW B737 800 SRM 51 40 02 0G 0.
PAX COMPARTMENT FLOOR WET AREA AT STA 312 HAS EVIDENCE OF CORR. GROUNDED - YES. REPAIRED FLOOR BEAM IAW 737 800 SRM 53 10 51 2R 15 W 1" O .125" R .099" L 2" D .026".
INTERCOSTAL CRACKED STA 312-328 LBL46. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL AT STA 312-328 LBL46 IAW B737 800 SRM 51 40 02 0G 0 PG 6 STEP D 1-6.
PAX COMPARTMENT FLOOR STRUCTURE INTERCOSTAL BETWEEN STA 380 AND STA 400 AT BUTT LINE 10R HAS CRTACKS AT 3 LOCATIONS ON UPPER SURFACE. GROUNDED - YES. REMOVED AND REPLACED 1EA. PAX COMPARTMENT FLOOR STRUCTURE INTERCOSTAL BTWN STA 380 AND 400 RBL 10 IAW B737 800 SRM 51 40 02 0G 0 PAGE 35 FIG 8 AND PG 2 STEP 4.B.
PAX COMPARTMENT FLOOR STRUCTURE INTERCOSTAL BETWEEN STA 280 AND STA 400 AT BUTT LINE 14L HAS CRACKS IN 2 LOCATIONS ON UPPER SURFACE. GROUNDED - YES. REMOVED AND REPLACED PAX COMPARTMENT FLOOR STRUCTURE INTERCOSTAL UPPER CHORD BETWEEN STA 380 AND STA 400 AT BUTTLINE 14L IAW B737 800 SRM 51 40 02.
PAX COMPARTMENT FLOOR STRUCTURE INTERCOSTAL BETWEEN STA 380 AND STA 400 AT BUTT LINE 0 HAS CRACKS AT 4 LOCATIONS ON UPPER SURFACE. GROUNDED - YES. REMOVED AND REPLACED 1EA. PAX COMPARTMENT FLOOR STRUCTURES INTERCOSTAL BTWN STA 380 AND 400, BL0 IAW B737 800 SRM 51 40 02 0G PG 35, FIG 8 AND PG 2 STEP 4.B.
FWD CARGO COMPARTMENT (AFT SIDE) LEFT SIDE, BAFFLE CLIP FWD OF STA 500H IS CRACKED. GROUNDED - YES. REMOVED AND REPLACED BAFFLE CLIP IAW B737 800 SRM 51 40 02 0G 0 STEP 7 D L.
AREA AFT OF AFT CARGO COMPARTMENT L/H SIDE FLOOR SUPPORT BRACKET AT STA 867 BEHIND BULKHEAD PANEL 141PW IS CRACKED. GROUNDED - YES. REMOVED,LOCATED AND DRILLED INSTALLED IAW B737 800 SRM 51 40 02.
R/H R-2 MOP SEAL HAS CORR IN AREAS AROUND NUT PLATES AND AT LWR DOOR CUTOUTS. GROUNDED - YES. REMOVED AND REPLACED 1EA. R/H MOPSILL AND NUTPLATES IAW B737 800 SRM 51 40 02 0G 0 PG 2 STEP 4.B AND PG 6 STEP D W 1" O .080" R .052" L 1" D .028".
PAX COMPARTMENT STA 540 BL 0 BL 24.82L PANEL BREAK CRACKED. GROUNDED - YES. REMOVED AND REPLACED 1EA PANEL BREAK AT STA 540 BL 0 BL 24.82 IAW B737 800 SRM 51 40 02 0G 0 PG 6 STEP D 1-6.
FWD CARGO COMPARTMENT (AFT SIDE) LEFT SIDE, BAFFLE CLIP FWD OF STA 500G IS CRACKED. GROUNDED - YES. REMOVED AND REPLACED BAFFLE CLIP IAW B737 800 SRM 51 40 02 0G 0 AND B737 800 SRM 51 40 05 0G 0.
AFT CARGO RH TRANSITION STRIP ATTACH ANGLE CORRODED AT STA 767 TO STA 787 STR 25. GROUNDED - YES. REMOVED AND REPLACED SHIELD AND ANGLE IAW B737 800 SRM 51 40 02 0G 0 FIG 8 AND PARA 5 AND PARA 7 W .5 O .050 R .035 L 1.1 D .015.
AFT CARGO RH TRANSITION STRIP STA 727I TO 807 CORRODED ON UPPER SURFACE AND LOWER SURFACE AROUND NUTPLATES. GROUNDED - YES. REMOVED CORR AND CHECKED LIMITS FOUND TO BE OUT OF LIMITS IAW B737 800 SRM 53 60 15 01 1 FIG 5 ORDERED NEW SHIELD 9TRANSITION STRIP), LOCATED AND DRILLED IAW B737 800 SRM 51 40 05 0G 0 FIG 2 CORRODED SHIELD WAS REMOVED AND NEW SHIELD WAS INSTALLED ON AAR W/O 1016953 1400 0049 MIG5 S/N OK112568 W 1 O .050 R .026 L 1.5 D .024.
AFT CARGO RH TRANSITION STRIP 727I-727H CORRODED AROUND NUTPLATES LOWER SURFACE. GROUNDED - YES. REPAIRED R/H TRANSITION STA 727H TO 767 IAW B737 800 SRM 53 00 53 2R G 6 REPAIR 6 W 1.1 O .040 R .039 L 1.5 D .010.
AFT CARGO LEFT FLOOR TO SIDEWALL TRANSITION PANEL HAS 3EA. CORRODED NUTPLATE HOLES FROM STATION 727F TO 727I ON UPPER AND LOWER SURFACE. GROUNDED - YES. REPAIRED TRANSITION PANEL IAW B737 800 SRM 53 00 53 2R 5 REPAIR 5 W .5 O .040 R .030 L 1.5 D .010.
WHILE ACCOMPLISHING T/C 78472000 NR 2 ENGINE FOUND LWR SUPPORT LINK BUSHING MIGRATED ON INTERSECTION MANIFOLD DUCT. GROUNDED - YES. REPLACED SUPPORT LINK AS NEEDED REF AMM 36-11-01.
DURING IDLE PWR RUN, FOUND NR 2 ENG. MAIN OIL / FUEL HEAT EXCHANGER PAD DRAIN LEAKING AT A RATE OF 8 DROPS PER MIN. (LEAKING FUEL). GROUNDED - YES. REMOVED AND REPLACED NR 2 ENG RT VSV ACTUATOR REF AMM 75-31-01-000-802-F00 AND 75-31-01-400-802-F00. LEAK CHECK GOOD REF AMM 75-31-01-790-801-F00. REMOVED & REPLACED FUEL OIL HEAT EXCHANGER REF AMM 73-11-04. NR 2 ENG RT VSV ACTUATOR IDLE LEAK CHECKED GOOD & ACTUATOR TEST 12 PASSED. COMPLETED NR 2 ENG FUEL/OIL HEAT EXCHANGER INSTALL REF AMM 79-21-02-400-801-F00.
DURING IDLE PWR RUN, FOUND NR 2 ENG MAIN OIL/FUEL HEAT EXCHANGER PAD DRAIN LEAKING AT A RATE OF 8 DROPS PER MIN. (LEAKING FUEL). GROUNDED - YES. REMOVED & REPLACED OIL/FUEL HEAT EXCHANGER REF AMM 73-11-04. LEAK CHECKED GOOD.
EXIT SIGN LENS AT MID CABIN OVER AISLE FELL OFF. GROUNDED - YES. RE-INSTALLED EXIT SIGN AT MID CABIN, NO FURTHER DEFECTS NOTED.
AFTER ENGINES STARTED WITH PACKS ON RESPECTIVE ENGINES CABIN CONTROL ZONE LIGHT ILLUMINATED. CHECKLIST WOULD NOT SOLVE PROBLEM. GROUNDED - YES. PERFORMED PACK/ZONE TEMP CONTROLLER BITE REF AMM 21-61-21, FAULT LIGHT FOR PRIMARY FLT DECK TRIM AIR VALVE ILLUMINATED, REMOVED AND REPLACED PRIMARY FLT DECK TRIM AIR VALVE REF AMM 21-61-21, OPS AND LEACK CHECK GOOD.
TOP OF DESCENT PRIOR TO DCA RIGHT SIDE DATA DISAPPEARED FROM RIGHT EADI. MAP YELLOW WARNING ILLUMINATED. FMC R REMAINED ILLUMINATED GREEN. GROUNDED - YES. ACCOMP B737-800 FIM 34-61 TASK 836 RESET FMC CB'S AND OPS CK NORMAL.
EMERGENCY EXIT SIGN FELL FROM CEILING OVER AISLE AT OVERWING EXIT ROW. GROUNDED - YES. REINSTALLED LENS OK FOR SERVICE.
REF T/C 78273000- NR 2 ENG MAINT MSG 73-31372 "UPPER EGT SECTORS READING HIGH ECONOMIC FAULT- ETOPS A/C. GROUNDED - YES. REPLACED T49.5 PROBE S4 DUE TO A COLD TEMP OF 221.84 DEG. VS S1- 39.34. REF AMM 77-21-01-400-801-F00. ACCOMPLISHED EEC TEST REF. AMM 71-00-00-700-822-FOO- TEST OK. VERIFIED COLD S4 WAS 15.59 & S1 WAS 16.53. "PRECAUTIONARY" CLEANED & INSPECTED J10 & J9 HARNESS CONNECTORS @ CJ10 & 9 JUNCTION BOXES & SHOOK DOWN J10 HARNESS. NO DEFICIENCIES NOTED. S2 & S3 BOTH READ 4.56 DEG. RAN ENGINE PRECAUTIONARY & VERIFIED TEMPS STILL OK. NO FAULTS IN BITE CK.
NR 1 HF RADIO UNABLE TO TRANSMIT OR RECEIVE. GROUNDED - YES. PERFORMED FIM 23-11 TASK 806 FOR HF NR 1 RADIO NO DEFECTS NOTED.
NR 1 ENGINE DID NOT START (NO LITE OFF). GROUNDED - YES. FOUND NR 1 ENGINE L & R IGNITION C/B'S OPEN, PERFORMED C/B RESET OF NR 1 ENGINE L & R C/B'S PER AMM 20-60-01. PERFORMED NR 1 ENGINE NORMAL START PROCEDURES FOR L & R IGNITION PER AMM 71-00-00, OPS CHECK GOOD.
HF 1 FAIL ANNUNCIATED. GROUNDED - YES. RESET PWR TO HF 1 BY PULLING, THEN RESETTING HF 1 C/B. "FAIL" EXTINGUISHED IN RTP'S REPLACED BY SET FREQUENCIES AS NORMAL. HF 1 OPS NORMAL PER AMM 23-11-00. GND VERIFICATION SUCCESSFUL.
AUTOPILOT A WOULD NOT ENGAGE. AUTOPILOT B OPERATED NORMALLY. GROUNDED - YES. PERFORMED DFCS BITE PER B737-800 FIM 22-11 TASK 801. FAULT 22-11281 A/P DISC S/W-1 IS STILL ACTIVE. REMOVED CAPTS AUTOPILOT DISCONNECT SWITCH PER B737-800 AMM 22-11-41-000-801. INSTALLED AUTOPILOT DISC SWITCH PER AMM 22-11-41-400-801 PERFORMED A/P SWITCH INSTALLATION TEST PER AMM SUBTASK 22-11-41-740-001 TEST IS GOOD.
ON CLIMB OUT THE CONT CAB LIGHT ILLUMINATED. CK LIST WAS ACCOMP. WITH THE CONT CAB LIGHT REMAINING ON. TRIED PRESSING THE CAPT RECALL AND MC AND CONT CAB LIGHT REMAINED ON. LATER IN THE FLIGHT THE FO RECALL WAS PRESSED AND THE AIR COND LIGHT STAYED ON. PRESSED MC AND CONT CAB LIGHT WENT OUT. GROUNDED - YES. VERIFIED DISCREPANCY. FOUND CONTROL CABIN ZONE LIGHT ILLUMINATING. PERFORMED PRIMARY CONTROLLER BITE TEST REF AMM TASK 21-61-00-700-806-002, FOUND FLT DECK TRIM VALVE FAULT. ABLE TO RESET. OPERATED RT PACK FOR AN HOUR. NO FAULTS RETURNED. ACCOMPLISHED AMM TASK 21-61-00-700-806-002 PACK/ZONE TEMPERATURE CONTROLLER BITE TEST, AFTER OPS TEST. SYS CKS NML.
IN CRUISE NR 2 N1 "TAI" INDICATION AMBER ON, OVERHEAD BLUE LIGHT OUT WITH SWITCH OFF N1 NR 1 AND NR 2 ARE MATCHED. GROUNDED - YES. REMOVED AND REPLACED NR 2 ENGINE COWL TAI VALVE REF AMM 30-21-11/401, OPS CHECK AND LEAK CHECK GOOD. NO OTHER DEFECTS NOTED.
NR 1 ENGINE, STATOR GENERATOR WIRE BUNDLE DP0702 WAS LOOSE. ACFT GROUNDED. REMOVED AND REPLACED THE J7 HARNESS IAW AMM 73-21-06/401. EEC TEST AND ACTUATORS TEST PASSED. ETOPS GROUND VERIFICATION SUCCESSFUL.
DURING DESCENT, THE COCKPIT TEMPERATURE BECAME UNCOMFORTABLY WARM AND WE WERE UNABLE TO CONTROL IT WITH THE CONT CABIN TEMP SELECTOR. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 TCV IAW AMM 21-51-10.
LEFT PACK LIGHT ILLUMINATED DURING MASTER CAUTION RECALL, CLEARED DURING MASTER CAUTION RESET. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 TCV IAW AMM 21-51-10. OPS CHECKED GOOD. FAULT CLEARED.
LEFT PACK LIGHT ILLUMINATED ON PRESSING THE MASTER CAUTION RECALL SIX PACK. LIGHT EXTINGUISHED WHEN MASTER CAUTION RESET. ACFT GROUNDED. COMPLETED A PACK ZONE TEMP CONTROLER BITE CHECK IAW AMM 21-61-00, OPS CHECKED GOOD, NO FAULTS GENERATED.
DURING ACCOMPLISHMENT OF NR 1 MAIN TANK FQIS TEST REF NG-28FCD-18088-1, FOUND PROBES F3, F5, AND F6 OUT OF TOLERANCE REF AMM TASK 28-41-21-710-801. GROUNDED - YES. REMOVED AND REPLACED PROBES F3, F5, AND F6 OF THE NR 1 MAIN TANK. FQIS SYSTEM TEST PASS. ETOPS GROUND VERIFICATION SUCCESSFUL. QUANTITY INDICATION OPERATIONAL ON BOTH FLIGHT DECK AND REFUEL PANEL DISPLAYS.
ON LANDING ROLLOUT BOTH ND'S DISPLAYED VTK AND BOTH MCDUS REVERTED TO THE MENU PG BOTH MISSING FMC PROMPTS, DURING TAXI IN VTK MESSAGES CLEARED, AND FMC PROMPTS RETURNED TO BOTH MCDU'S. GROUNDED - YES. ACCOMPLISHED FMC BITE PROCEDURES ON BOTH FMC'S, IAW FIM 34-61 TASK 801, NO DEFECTS NOTED.
AUTOLAND UNSUCCESSFUL, PLANE SLOWED 5 KNOTS TO REF AND SEEMED NOT TO TRIM AT APPROXIMATELY 75 FEET. GROUNDED - YES. PERFORMED FIM 22-11 TASK 801. NO FAULTS LOGGED EITHER DFCS LAST FLIGHT. PERFORMED LAND VERIFY BITE 49 -GOOD. NO HISTORY LAST 90 DAYS PLUS.
L2 DOOR EXIT SIGN COVER MISSING. GROUNDED - YES. REMOVED AND REPLACED L2 DOOR EXIT SIGN LIGHT ASSEMBLY REFERENCE AMM 33-51-01.
ON PRE FLIGHT FO NAV DISPLAY REPEATEDLY SHOWS "VTK" INTERMITTENTLY. GROUNDED - YES. RECYCLED POWER. REALIGNED ADIRU'S AND PERFORMED GROUND OPS CHECK PER AMM 34-61-00, NO FAULTS INDICATED. NO HISTORY IN LAST 30 DAYS.
NR 1 FMC SCREEN HAD SEVERAL WHITE LINES RUNNING HORIZONTALLY ON THE TOP OF THE SCREEN. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 MCDU, OPS NORMAL IAW AMM 34-61-01-400-802.
NR 2 ENGINE STARTER VALVE INOPERATIVE. ACFT GROUNDED. REMOVED AND REPLACED THE ENGINE START VALVE ASSY IAW AMM 80-11-03, OPS GOOD.
WHILE ACCOMPLISHING FAN BLADE LUBE ON THE NR 2 ENGINE IAW T/C 78472002, FOUND ALL SHIMS WORN INTO PARENT MATERIAL. ACFT GROUNDED. REPLACED THE SHIMS.
WHILE ACCOMPLISHING FAN BLADE LUBE ON THE NR 2 ENGINE IAW T/C 78472002, FOUND THE SPINNER DAMAGED ON THREADS FOR TACK BOLT, AND MISSING PAINT. ACFT GROUNDED. REMOVED AND REPLACED THE NR 2 ENG SPINNER CONE IAW AMM 72-21-01-000-801-F00 STEP 2F(1), AND 72-21-01-400-801-F00 STEP 3F(5).
AFTER LANDING, TEMPORARY VTK FLAG ON CAPTAIN'S NAV DISPLAY. ACFT GROUNDED. RESET SYSTEM, GROUND FUNCTIONAL CHECKED GOOD IAW AMM 34-61-00-710-801, NO HISTORY LAST 30 DAYS.
SATCOM LOCK UP. GROUNDED - YES. PERFORMED QRH PROCEDURE SAT RETURNED.
ON ARRIVAL, WHEN BRINGING FLT INTO SCRATCH PAD RECEIVED MESSAGE ON CDU INVALID ENTRY. ACFT GROUNDED. BITE TESTED THE LT AND RT FMC IAW FIM 34-61-00-810-801. NO FAULTS. NO IN FLT FAULTS. SENSORS TESTED OK. CDU KEY TEST OK. CDS FMC INTERFACE OK BOTH FMCS. NO HISTORY 30 DAYS.
ZONE TEMP LIGHT ILLUMINATED ON MASTER RECALL. ACFT GROUNDED. REPLACED FLT DECK TRIM VALVE V143 IAW AMM 21-61-21. OPERATED BOTH LEFT AND RIGHT PACKS FOR APROXIMATELY 10 MINUTES. OPS CHECKED GOOD. PERFORMED PZTC BITE ON BOTH NR 1 AND 2 CONTROLLERS IAW FIM 21-62-801. NO FAULTS NOTED.
AUTO FAIL AND ALT LIGHT ILLUMINATED. ACFT GROUNDED. ACCOMPLISHED FIM 21-31 / 827, AUTO FAIL LIGHT ON, CYCLED TO MANUAL THEN TO AUTO, LIGHT EXTINGUISHED, RESET FAULTS WITH NO FURTHER FAULTS LOGGED.
NR 2 HF RADIO WILL NOT TRANSMIT OR RECEIVE. ACFT GROUNDED. NR 2 HF COUPLER REMOVED AND REPLACED AMM 23-11-61. OPS CHECKED GOOD AND GROUND VERIFICATION SUCCESSFUL. CAN TRANSMIT AND RECEIVE ON HF 2.
FIRST OFFICER`S FMC DISPLAY ON ND SHOWS VTK AND MAP CAUTION FLAGS. FMC NR 2 CIRCUIT BREAKER TRIPPED. ACFT GROUNDED. RESET THE CIRCUIT BREAKER, GROUND FUNCTIONAL OPS CHECKED GOOD IAW AMM 34-61-00, NO HISTORY LAST 30 DAYS.
PACK LIGHT ILLUMINATED UPON RECALL FOR RIGHT PACK. EXTINGUISHES UPON MASTER CAUTION RESET. ACFT GROUNDED. NR 2 ZONE TEMP CONTROLLER FAULT THIS PACK TCV ON PREVIOUS FLT, GREEN ON VERIFY. RESET FAULT & RAN PACK, FAULT DID NOT RETURNED. NO HISTORY PAST 30 DAYS IAW FIM 21-53, TASK 804.
LAND VERIFY TEST FAILED, SPOLIER 9 SENSOR. ACFT GROUNDED. ACCOMPLISHED A NR 9 SPOILER POSITION SENSOR ADJUSTMENT IAW MM 22-11-27, OPS CHECKED NORMAL.
FLARE ARMED DID NOT ILLUMINATE AT 500 RA. SUBSEQUENTLY DISCONTINUED PRACTICE CATIII AUTOLAND HYBRID APPROACH AND THEN FLARE ARMED ILLUMINATED AT 150 FT AGL. ACFT GROUNDED. ACCOMPLISHED DFCS FAULT REVIEW IAW LLM CHECKLIST AMM 22-00-01, DFCS CHANNEL A LOGGED MSG 22-11303 INTERNAL FCC FAULT (3 TIMES) LAST LEG. NO FAULTS LOGGED IN CHANNEL B. REMOVED AND REPLACED FCC A COMPUTER REF B737-800 AMM 22-11-33, OPS CHECK NORMAL. THIS CLEARS MEL'S 22-1F & 22-99B, A/T TEST PASSED OPS TEST PASSED REF AMM 22-31-00, THIS CLEARS MEL 22-4B. LAND VERIFY TEST PASSED REF LLM CHECKLIST 22-00-01 THIS CLEARS MEL 22-99C.
EXIT SIGN AT MID-CABIN EXIT ROW MISSING AFT LENS. ACFT GROUNDED. INSTALLED A NEW LENS. OPS NORMAL.
LENS FWD PART OF EXIT SIGN CENTER AISLE OVERHEAD EXIT LIGHTS MISSING. ACFT GROUNDED. FOUND THE LENS AND REINSTALLED. OK FOR SERVICE.
WHILE ACCOMPLISHING TC 78273000, FOUND ECCONOMIC FAULT ON THE NR 1 ENGINE. MESSAGE 73-31372, FOR UPPER EGT SECTORS READING HIGH. ACFT GROUNDED. NO RECENT FAULTS NOTED IAW T/C 78273000.
EXTERIOR EMERGENCY LIGHT AFT OF R2 DOOR IS INOP. GROUNDED - YES. REPOSITION BULB IN SOCKET OF LIGHT ASSY, OPS NML REF AMM 33-51-04-960-801 AND REF AMM 33-51-00-720-801.
"TEST" BUTTON ON WX RADAR IS STUCK IN THE TEST POSITION - UNABLE TO TURN ON WX RADAR. GROUNDED - YES. VERIFIED DISCREPANCY REF AMM 34-43-91, REMOVED/REPLACED WXR PANEL. OPS CHK NML REF SAME AMM. GROUND VERIFICATION TEST GOOD REF. SAME AMM.
CONTROL CABIN TEMP LIGHT ILLUMINATED WITH RECALL. LIGHT EXTINGUISHED WITH RESET. ACFT GROUNDED. PERFORMED A NR 2 PACK TEMP CONTROLLER BITE IAW AMM 21-61-00-700-806-002. NO FAULTS IN BITE FOR PREVIOUS FLT. PERFORMED VERIFY NUMEROUS TIMES, NO FAULTS, TESTS PASSED. OPERATED PACKS INDIVIDUALLY AND SIMULTANEOUSLY ATTEMPTING TO DUPLICATE THE FAULT IAW AMM 21-61-00-700-807-002. NO FAULTS FOUND, OPERATIONAL TEST PASSED. OPERATED PACKS AND CHECKED FOR LEAKS ON LT AND RT ECS BAY AREAS. NO LEAKS NOTED.
WHILE ACCOMPLISHING A NR 2 ENGINE MCD INSPECTION, SMALL SLIVERS OF O-RING MATERIAL WERE FOUND IN THE FWD SUMP MCD. ACFT GROUNDED. REPLACED THE NR 2 ENG SCAVENGE OIL FILTER ELEMENT AND NR 2 ENGINE LUBRICATION UNIT INNER AND OUTER SEALING SPOOL PACKINGS IAW AMM 79-00-00-200-804-F00 STEP 7H(7)(M). LEAK CHECKED GOOD IAW AMM 79-21-06-000-801-F00 AND 79-21-01-400-804-F00. NO FURTHER MAINTENANCE ACTION NECESSARY.
WHILE PERFORMING T/C 78273000, FOUND A FAULT MESSAGE 77-20872 FOR THE NR 2 ENGINE. THE TOP LEFT EGT SIGNAL IS OUT OF RANGE. ECONOMIC FAULT. ACFT GROUNDED. ACCOMPLISHED TROUBLESHOOTING FOR THE NR 2 ENGINE FAULT 77-20872 IAW FIM 77-21, TASK 804, EEC BITE SHOWED FAULT LOGGED FOR FOUR OUT OF THE LAST TEN STARTS. ACCOMPLISHED EGT CONNECTOR CLEANING IAW AMM 77-21-00-140-801, ALL CONNECTORS IN TABLE 2 CLEANED AND INSPECTED. NO DEFECTS NOTED. ACCOMPLISHED A NR 2 ENGINE EEC TEST IAW AMM 73-21-00-700-804-F00 - ALL TESTS PASSED.
MID-CABIN EMERGENCY EXIT SIGN DETACHED. ACFT GROUNDED. ATTACHED THE SIGN COVER. OK FOR SERVICE.
ONCE GROUND AIR WAS DISCONNECTED AND ON APU BLEED AIR CABIN TEMP INCREASED AND WOULD NOT COOL. CONTROL CABIN AIR WAS COOL. FA'S AND PAX WERE EXTREMELY UNCOMFORTABLE. ACFT GROUNDED. PERFORMED A PACK TEMP CONTROL BITE PROCEDURE IAW AMM 21-62-801. NO FAULT FOUND. GROUND VERIFICATION SUCCESSFUL. NO HISTORY LAST 30 DAYS.
WINDOW OVERHEAT ILLUMINATED, ACCOMPLISHED QRH AND LIGHT EXTINGUISHED. ACFT GROUNDED. ALL WINDOW HEAT TESTED AND OPS CHECKED GOOD IAW AMM 30-41-41.
RIGHT ENGINE ANTI-ICE VALVE FAILED TO OPEN WHEN SELECTED. ACFT GROUNDED. REMOVED & REPLACED THE NR 2 ENGINE THERMAL ANTI-ICE VALVE IAW AMM 30-21-11-000-801, & 30-21-11-400-801, ACCOMPLISHED A BONDING CHECK, CHECKED GOOD. LEAK & OPS CHECKED GOOD.
AFT CARGO BAY RIGHT FLOOR TO SIDEWALL TRANSITION PANEL CRACKED AT STA 727 H AND 727F. ACFT GROUNDED. REMOVED DAMAGED SECTION AND REPAIRED THE TRANSITION PANEL IAW SRM 51-40-02, SRM 53-00-53 AND DWG 146A7500 REV B.
AFT CARGO BAY LEFT FLOOR TO SIDEWALL TRANSITION PANEL HAS 1 SPOT OF CORROSION AROUND FASTENER HOLE APPROX 1 INCH FWD OF BS 727I. ACFT GROUNDED. REMOVED CORROSION IAW SRM 51-10-02, AND FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2, REPAIRED THE TRANSITION PANEL IAW SRM 53-00-53, ALODINED IAW SRM 51-20-01, PRIMED IAW SOPM 20-41-02, AND INSTALLED NUTPLATES IAW SRM 51-40-10-2R-0.
AFT CARGO BAY RT FLOOR TO SIDEWALL TRANSITION PANEL AT BS 727J IS CRACKED IN CORNER RECESS. ACFT GROUNDED. REMOVED DAMAGED SECTION OF THE TRANSITION PANEL BS 727H+10 - 767 IAW SRM 53-00-53-2R-6, FABRICATED A REPAIR AND SPLICE IAW SRM 53-00-53-2R-6. ALODINED AND PRIMED IAW SRM 51-20-01, INSTALLED REPAIR TRANSITION PANEL SECTION AND SPLICE IAW SRM 53-00-53-2R-6.
AFT CARGO BAY LEFT FLOOR TO SIDEWALL TRANSITION PANEL AT BS 727 HAS CORROSION. ACFT GROUNDED. REMOVED THE TRANSITION PANEL IAW SRM 51-40-02, FABRICATED A NEW TRANSITION PANEL IAW SRM 53-00-53-2R-6 & SRM 51-40-05. ALODINED IAW SRM 51-20-01, PRIMED IAW AMM 51-21-72, AND INSTALLED IAW SRM 53-00-53, AND IAW DWG 146A7500 REV B.
MID CABIN EXIT SIGN CAP FELL OFF. ACFT GROUNDED. REINSTALLED MID CABIN EXIT SIGN AND SECURED.
NEITHER SATCOM NR 1 OR 2 TRANSMISSIONS COULD BE HEARD OR RECEIVED BY MEDLINK OR DISPATCH. SEVERAL ATTEMPTS/CALLS WERE MADE WITH BOTH SATCOMS. COULD HEAR THE PHONE CALL GO THROUGH AND COULD HEAR THE PERSON ANSWERING TALK TO US, BUT THEY COULD NOT HEAR US TALKING. ACFT GROUNDED. INSPECTED SATCOMS 1 AND 2. FOUND SYSTEM WORKING NORMALLY. PRECAUTIONARILY REPLACED SATCOM TRANCEIVER IAW AMM 23-15-00. ACCOMPLISHED SATCOM COMMUNICATION IAW AMM 23-15-00/501. SYSTEM CHECKS NORMAL.
RT A/C PACK 44 PSI, LT A/C PACK 15 PSI, FL 360, N1 90.4%. RT PACK 30 PSI, LT PACK 30 PSI, FL 22, N1 60.0% GROUND IDLE/ LT & RT PACKS 15%. ACFT GROUNDED. TROUBLESHOT IAW FIM 36-10, TASK 810. DURING FURTHER EVALUATION FOUND A LEAKING PRSOV & STICKING VALVE. REMOVED & REPLACED THE PRSOV IAW AMM 36-11-04. GROUND VERIFICATION SUCCESSFUL.
DIFFICULT COOLING THE AFT CABIN DURING FLIGHT. EVEN WITH AFT CABINE TEMP SELECTOR NEARLY FULL COLD & SUPPLY DUCT TEMP INDICATING 10 C, F/A COMPLAINS OF VERY WARM AFT HALF OF CABIN. ACFT GROUNDED. PERFORMED A BITE CHECK OF THE CABIN TEMP CONTROLLER, OPS GOOD IAW FIM 21-61-00-810-801. REMOVED AND REPLACED THE TEMP FILTERS IN FWD AND AFT CABIN. CLEANED TEMP BULB OF DUST IAW AMM 21-61-06. RAN PACKS WITH APU, OPS GOOD.
WHILE PERFORMING T/C 78273000, THE NR 1 ENGINE LOGGED SHORT TERM FAULT CODE 73-30311, THE START SWITCH SIGNAL AND ARINC BUSS DATA DISAGREE ON EVERY LEG. ACFT GROUNDED. PERFORMED FIM 73-24, TASK 813 INITIAL EVALUATION. EEC TEST IAW AMM 73-21-00 FAILED FOR SAME FAULT WITH START SWITCH IN THE OFF POSITION. EXERCISED START SWITCH SEVERAL TIMES BY REPEATEDLY SELECTING EACH DETENT. CONTINUED WITH FIM FAULT ISOLATION FOR DUAL CHANNEL FAULT. THE START SWITCH CDS DEU DISCRETE STATUS AGREED WITH VALUES IN TABLE 215. REPEATED EEC TEST WITH START SWITCH IN OFF, GROUND, CONT, AND FLT POSITIONS. ALL TESTS PASSED. NO FAULTS NOTED.
NR 1 ENGINE INLET AND FAN BLADES DETAILED INSPECTION FOUND BOTH ROD ENDS DAMAGED & WORN FROM RUBBING ON BOTH ENDS OF FWD ITBD & OTBD TAI VALVE DUCTING MOUNTS. ACFT GROUNDED. REPLACED BOTH ROD ENDS OF FWD INBD & OTBD & TAI VALVE DUCTING MOUNTS AND REPLACED FWD COWL TAI DUCT, IAW POWERPLANT BUILDUP MANUAL 71-00-02 FIG. 27-1 AND AMM 30-21-00. OPS CHECKS TAI DUCT OVERPRESSURE DETECTION, OPS CHECKED GOOD IAW AMM 30-21-00. OPERATIONAL TEST OF NR 1 ENGINE COWL ANTI-ICING GOOD. NO LEAK NOTED IAW AMM 30-21-00.
DURING FMC PREFLIGHT SCRATCHPAD MESSAGE "SINGLE FMC OPERATION" APPEARED AND MAP FLAG ON F/O'S ND 0155 ZULU. GROUNDED - YES. PERFORMED FIM 34-61 TASK 801, NO FAULTS NOTED. CYCLED FMC COMPUTER 2 C/B. MAP RESTORED AND "SINGLE FMC OPS" MESSAGE GONE. BITE TEST NORMAL PER FIM TASK 34-61-801.
NR 1 ENGINE FAN BLADE SHIMS WORN, QTY 24. GROUNDED - YES. REPLACED NR 1 ENGINE SHIMS, 24 EACH REF TC 78472002.
WHILE PERFORMING T/C 78474000 MAIN IGNITER PLUGS REMOVAL AND INSTALLATION, FOUND THE LEFT IGNITION LEAD WORN AND FRAYED ON THE NR 2 ENGINE. ACFT GROUNDED. REMOVED AND REPLACED THE NR 2 ENGINE LT IGNITION LEAD IAW AMM 74-21-01. AUDIBLE AND OPS CHECKED GOOD.
RIGHT PACK LIGHT COMES ON. EXTINGUISHES WITH MASTER CAUTION RESET. ACFT GROUNDED. PERFORMED PACK ZONE TEMP CONTROL BITE IAW AMM 21-61-00-700-806-002. RT PACK TCV IS A HARD FAULT. REMOVED AND REPLACED THE RT PACK TEMP CONTROL VALVE IAW AMM 21-51-10-000-801, AND AMM 21-51-10-400-801. PERFORMED INSTALLATION GROUND VERIFICATION TEST PER SAME AMM. GROUND VERIFICATION TEST IS GOOD.
SATCOM FAILURE AFTER POWER TRANSFER. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE PER QRH. SATCOM OPS RESTORED NORMAL.
SATCOM LOCK-UP. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW THE QRH. SATCOM OPS RESTORED NORMAL.
NR 1 ENGINE IDG LEAKING FROM PAD DRAIN. ACFT GROUNDED. REMOVED AND REPLACED NR 1 ENGINE IDG IAW AMM 24-11-11. OPS TEST GOOD IAW AMM 24-11-00-700-802.
SATCOM LOCKUP. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. SATCOM RESTORED NORMAL.
LOW DUCT PRESSURE WITH APU BLEED ON. ACFT GROUNDED. REMOVED AND REPLACED DELTA PRESSURE SENSOR AND TOTAL PRESSURE SENSOR IAW AMM 49-52-32 AND 49-52-33. OPS AND LEAK CHECKED NORMAL. APU OPERATED NORMAL.
SATCOM LOCK OUT. GROUNDED - YES. ACCOMPLISHED RESET PROCEDURE PER QRH. SATCOM OPS RESTORED NORMAL.
NR 1 ENGINE HAD A LONG TERM FAULT 73-20811 THE T12 SIGNAL IS OUT OF RANGE. ACFT GROUNDED. REMOVED & REPLACED T12 SENSOR, REF AMM 73-21-05. EEC GROUND TEST PASSED, ENGINE RUN CONFIRMS NO FAULT ON FLIGHT LEG 0.
ZONE TEMP ON RECALL. ACFT GROUNDED. ACCOMPLISHED PACK TEMP CONTROL BITE IAW FIM 21-62 TASK 801, ZONE TEMP CONT 2 FAULTED (TRIM VALVE-FLT DECK), CLEARED FAULT, TESTED TWO MORE TIMES FAULT DID NOT RETURN, NO HISTORY 60 DAYS.
SAT PROMPT MISSING ON MCDU MENU PAGE. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE PER QRH. SATCOM OPS RESTORED NORMAL.
RIGHT PACK LIGHT ILLUMINATED DURING RECALL. ACFT GROUNDED. NR 2 PACK/ZONE TEMP CONTROLLER LOGGED TCV FAULT. ACCOMPLISHED NR 2 CONTROLLER BITE IAW FIM 21-61 TASK 801, TEST PASSED. NO HISTORY PAST 30 DAYS.
NR 2 ENGINE FUEL HEATER SERVO LEAKING FUEL. ACFT GROUNDED. REMOVED AND REPLACED SERVO FUEL HEATER IAW AMM 73-11-07-000-801-F00 AND AMM 73-11-07-400-801-F00. OPS AND LEAK CHECKED GOOD, NO LEAKS NOTED.
TWO EMERGENCY EXIT LIGHT BATTERIES FAILED BATTERY PACK CAPACITY CHECK DURING ACCOMPLISHMENT OF T/C 78233001. ACFT GROUNDED. REPLACED THE BATTERY PACK. OPS CHECKED OK IAW AMM 33-51-06.
F/O'S CDU PANEL HAD NO POWER. ACFT GROUNDED. CYCLED POWER TO F/O'S CDU AND POWER RESTORED, ACFT GOOD FOR SERVICE.
F/O FMC PANEL OCCASIONALLY LOSES POWER. GROUNDED - YES. REMOVED & REPLACED FO'S CDU. OPS GOOD. GROUND VERIFICATION SUCCESSFUL, REF AMM 34-61-01/401.
NEITHER HF RADIO WOULD TUNE (NO TONE) AND NEITHER WOULD RECEIVE. MULTIPLE FREQUENCIES ATTEMPTED. GROUNDED - YES. REMOVED AND REPLACED NR 1 HF ANTENNA COUPLER IAW AMM 23-11-61/401. VERIFIED BOTH HF TRANSMITTED AND RECEIVED NORMAL ON GROUND.
PILOT REPORTED ENTRY DOOR HARD TO CLOSE. GROUNDED - YES. FOUND ENTRY DOOR SNUBBER ROD END BROKEN AND DOOR SKIN HINGE CUTOUT DAMAGE. REMOVED DAMAGED AREA OF HINGE CUTOUT PER SRM 52-10-01-1A-1, HFEC INSP DEFERRED PER EA 800-52EA-18074, REF L/P 11629671. REMOVED AND REPLACED L1 DOOR SNUBBER PER AMM 52-11-51, OPS CHECK NORMAL.
HF NR 1 UNABLE TO TRANSMIT FROM EITHER PANEL AND NO SIDETONE. RECEIVES NORMALLY. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 HF ANTENNA COUPLER IAW AMM TASK 23-11-61, GROUND FUNCTIONAL CHECKED NORMAL WITH GOOD SIDETONE AND VOICE. PULLED AND RESET 2 TOTAL CIRCUIT BREAKERS.
AT CRUISE CABIN TEMP UNCOMFORTABLY HOT UNLESS AUTO FORWARD AND AFT TEMP CONTROLLED FULL COLD. CABIN AIR TEMP INDICATOR INDICATES 18 DEGREES C THROUGHOUT CABIN. ALL AFTER 3 HOURS AT CRUISE ALTITUDE. GROUNDED, YES. INSPECTED CABIN FILTER SCREEN AND REMOVED DEBRIS. VERIFIED NORMAL SYSTEM OPS, REFERENCE FIM 21-61 TASK 863/864.
EMERGENCY LIGHT EXIT LOCATOR SIGN ON NR 1 GALLEY ADJACENT TO R1 DOOR HAS BROKEN LENS. ACFT GROUNDED. REMOVED AND REPLACED LENS AND TESTED LIGHT ASSY IAW MM 33-51-01-960-801. OPS NORMAL.
SATCOM LOCK UP ENROUTE. GROUNDED, YES. ACCOMPLISHED SATCOM RESET PROCEDURE PER QRH. SATCOM OPS RESTORED NORMAL.
NO SAT COM ON MCDU MENU. ACFT GROUNDED. ACCOMPLISHED SATCOM RESET PROCEDURES PER QRH. SATCOM OPS RESTORED NORMAL.
SATCOM LOCKED UP ON PREFLIGHT. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE PER QRH. SATCOM RESTORED NORMAL.
FA REPORTS EMERGENCY EXIT COVER IN AFT GALLEY RIGHT SIDE FELL OFF. ACFT GROUNDED. REINSTALLED EMERGENCY EXIT COVER IN AFT GALLEY RIGHT HAND SIDE PER B737-800 AMM 33-51-01. LIGHT CHECKED GOOD.
FA REPORTED R2 DOOR EMERGENCY EXIT SIGN FELL OFF. ACFT GROUNDED. RESECURED R-2 EXIT SIGN IAW AMM 33-51-01
INTERMITTENT SINGLE FMC OPERATION MESSAGE ON FMC'S ON THE GROUND AFTER LANDING. WHEN MESSAGE APPEARS, F/O ND DISPLAYS VTK FLAG. ACFT GROUNDED. IAW AMM 34-61-00, FOUND TO BE NUISANCE ERROR. OK FOR CONTINUED SERVICE.
CONTROL CABIN ZONE TEMP LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED. NR 2 ZONE TEMP CONTROLLER SHOWS FLIGHT DECK SELECTOR ON PREVIOUS FLIGHT, GREEN FOR BITE & VERIFY, FAULT CLEARED. RAN PACKS & RE-VERIFY BITE, IAW FIM 21-62 TASK 801, GROUND VERIFICATION TEST PASSED.
NR 1 HF RADIO TRANSMIT FUNCTION FAILED DURING CRUISE. WILL NOT TRANSMIT FROM EITHER CONTROL PANEL OR YOKE SWITCHES. RECEIVES NORMALLY AND ALSO RECEIVES SELCAL. TRIED GOING TO DATA AS WELL AS RETURNING. THE SATCOM NR 1 OPERATES NORMALLY. ACFT GROUNDED. REMOVED & REPLACED NR 1 HF TRANSCEIVER IAW AMM 23-11-21, OPS NORMAL AFTER REMOVING TAG & RESETTING CIRCUIT BREAKER, GOOD, CLEAR TRANSMIT & RECEIVE.
FOLLOW-UP TO NR 2 IDG CONTINUED FREQUENT SERVICING. ACFT GROUNDED. R & R NR 2 ENGINE IDG, REF AMM 24-11-11, STEP 3A-G12. IDG INSTALLATION TEST PASSESS. OPS & LEAK CHECKS GOOD, REF AMM 71-00-00-800-811-F00. IDG DISCONNECT AND RESET CHECK GOOD, REF AMM 24-11-11-700-801.
FLT CREW REPORTED CAPTAIN`S CDU MENU HAS NO SATCOM MENU. ACFT GROUNDED. CYCLED AIRCRAFT POWER, RESET SYSTEM, CAPTAIN`S CDU MENU NOW SHOWS SATCOM MENU. SYSTEM OPS CHECKED GOOD IAW AMM 23-15-00-730-801.
NR 1 HF WE LOST THE ABILITY TO TRANSMIT VOICE. DATA AND INCOMING RADIO CALLS CONTINUED TO WORK BUT WE COULD NOT RESPOND BACK FROM EITHER COM PANEL. ACFT GROUNDED. LRU STATUS PASSED, OPS CHECKED NR 1 HF ON BOTH COM PANELS ON PRIMARY AND BACK-UP FREQUENCY PROVIDED, REF AMM 23-11-00-730-801. GROUND VERIFICATION TEST SATISFACTORY.
NR 1 ENGINE WOULD NOT START. ACFT GROUNDED. FOUND START VALVE CONNECTOR PLUG LOOSE. TIGHTENED CONNECTOR PLUG. RAN ENGINE, GROUND CK OK REF AMM 71-00-00.
ON MASTER RECALL CONT CAB ZONE TEMP COMES ON AND CLEARS WITH MASTER CAUTION RESET. ACFT GROUNDED. ACCOMPLISH GROUND VERIFICATION, PERFORMED BITE ON BOTH ZONE TEMP CONTROLLERS 1 & 2, FAULTED, FLT DECK CABIN SENSOR, ON BOTH, CLEARED FAULT ON BOTH CONTROLLERS, ZONE TEMP DOES NOT ILLUMINATE ON RECALL, CLEANED CABIN FILTER AND SENSOR, REF FIM 21-62, TASK 801.
LAND VERIFY TEST FAILS, MESSAGES 22-11145 AND 22-11146 RAIL POSITION SENSOR 1-2 FAIL ON 60.35 DUAL PORTION OF TEST. ACFT GROUNDED. ACCOMPLISHED A/P AILERON ACTUATOR ADJUSTMENT/TEST, REF AMM 22-11-25-820-801/710-801 AND ADDITIONAL TESTS REF AMM 22-11-25/501 BITE GROUP NR 60 AND LAND VERIFY REF AMM 22-11-00/201, BITE GROUP NR 49 ALL OPS NORMAL. A/P ACTUATOR LEVER ASSY FAILED SHEAR RIVET TEST AND WAS REPLACED WITH THE ACTUATOR, REF AMM 22-11-25 IAW TROUBLESHOOTING.
AFTER INITIAL FUELING, NR 1 TANK =8500, CTR=24000, NR 2=8500. 15 MINUTES BEFORE PUSH NR 1 QTY = 8120, CTR = 24000, NR 2 =8550. ACFT GROUNDED. NR 1 LT MAIN TANK FUEL QTY INDICATOR INOPERATIVE, RELEASED IAW MEL 28-6B. TROUBLESHOOTING FOUND MAINTENANCE MESSAGE. TANK 1, DEGRAD ACCESSORY LEG 01, ATA 28-41108, COUNT: 10 COMPENSATOR DATA BAD. CURRENT STATUS PASSES. REF FIM 28-41, TASK 807. TRANSFERRED FUEL FROM NR 1 TANK TO CENTER TANK REF AMM 28-26-00-650-802. REMOVED FUEL ACCESS PANEL 532AB, REF AMM 28-11-11-000-801. R & R NR 1 COMPENSATOR UNIT REF AMM 28-41-21-400-801. CLOSED FUEL PANEL 532AB REF AMM 28-11-11-400-801. ACCOMPLISHED FQIS SYS TEST REF AMM 28-41-00-730-801. COMPENSATOR IS WITHIN LIMITS, 57.6 PF. TRANSFERRED FUEL BACK TO NR 1 TANK REF AMM 28-26-00-650-802. OPS/LEAK CK OF FUEL PANEL IS GOOD.
WHILE PERFORMING TC 78222000, FOUND AILERON POSITION SENSOR OUT OF ADJUSTMENT. ACFT GROUNDED. ADJUSTED THE AILERON POSITION SENSOR IAW AMM 22-11-29-820-801, OPS CHECKS GOOD. ACCOMPLISHED ADDITIONAL LWMP TEST, DFCS LRU REPLACEMENT TEST, REF AMM 22-11-29/501 BITE GROUP NR 46 FOR ROLL SENSOR, OPS CHECK GOOD.
WHILE PERFORMING LAND VERIFY TEST NR 49, FCC-S FAILS 49.35 BITE TEST W/AIL POS SENSOR-1 FAULT. MESSAGE NR 22-11145. ACFT GROUNDED. REF FIM 22-12, TASK 813, PERFORMED AILERON RIGGING TEST REF 22-11-00, AILERON POSITION SENSOR ADJUSTED REF 22-11-29 TO COMPLETE RIGGING TEST/CHECK E, 1, B, TEST 52.01. TEST 52.11 SURF DELTA FAILS BOTH A & B 0.58 & 0.60 WAY OUT OF LIMITS 0.00 TO 0.38 IS REQUIRED. ADJUSTED RT BODY AILERON AA & AB CABLES AND CROSSOVER CABLES ACBA & ACBB REF AMM 27-11-00-820-801. ALL OTHER AILERON RIG CHECKS GOOD REF AMM 27-11-00-820-801. RAN LAND VERIFY CK IAW AMM 22-11-00/201, OPS NORMAL. ALL TESTS PASS. CKD AIL POS SENSOR RIG IAW AMM22-11-29-820-801. OPS CK NORMAL.
SATCOM LOCKUP, ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. SATCOM RESTORED NORMAL.
NR 1 ENGINE HAS SHORT TIME FAULT 75-10371, HMU VSV CONTROL CURRENT OUT OF RANGE. ACFT GROUNDED. ACCOMPLISHED FIM 75-31, TASK 801, FAULT ISOLATION INDICATES DEFECTIVE ELECTRONIC ENGINE CONTROL. REPLACED NR 1 ENGINE ELECTRONIC ENGINE CONTROL, ALL ELECTRONIC ENGINE CONTROL INSTALLATION TESTS PASS, REF AMM 73-21-60 AND 71-00-00. ACCOMPLISHED FADEC SYS TEST, ALL TESTS PASS, REF AMM 73-21-00.
DURING PRE-FLIGHT FOUND "ELECT" LIGHT ON. ACFT GROUNDED. ACCOMPLISHED FIM 24-31, TASK 801, FOUND SPCU INOPERATIVE MESSAGE. ACCOMPLISHED FIM 24-34, TASK 802 SPCU RESET AND OPERATE NORMAL.
SATCOM LOCK-UP, ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. SATCOM RESTORED NORMAL.
NR 1 ENGINE FUEL FLOW TRANSMITTER LEAKING AT LOWER ALLEN SCREW. ACFT GROUNDED. R & R NR 1 ENGINE FUEL FLOW TRANSMITTER ASSY REF AMM 73-31-01-000-801-F00. RAN ENGINE, NO LEAKS NOTED.
NR 1 ENGINE FUEL HEAT SERVO LEAKING AT UPPER CAP SEAL PLATE AT INBD SIDE. ACFT GROUNDED. R & R NR 1 ENGINE FUEL HEAT SERVO IAW AMM 73-11-07-000-801-F00 AND 73-11-07-400-801-F00, NO POST-RUN LEAKS NOTED.
ENGINEERING REQUESTS REPLACEMENT OF THE NR 1 ENGINE LPT 11 FUEL NOZZLES DUE TO REPORTS OF HARD STARTING WHEN ENGINE IS COLD. ACFT GROUNDED. ACCOMPLISHED REPLACEMENT OF 11 FUEL NOZZLES IAW T/C POWERPLANT- 73CMPT-07267-2, START OF ENGINE, NORMAL.
NR 1, ENGINE LT UPPER 5TH STAGE BLEED AIR DUCT ATTACH BRACKET BEARING LOOSE/WORN. ACFT GROUNDED. REPLACED NR 1 ENGINE BLEED AIR DUCT IAW PPBU 71-00-02, FIG 16-1, NO LEAKS NOTED AFTER PNEUMATIC LEAK CHECK.
NR 1 ENGINE, SN 894851, SHOWS ECONOMIC FAULT CODE 73-31371, UPPER EGT SECTORS READ HIGH. ACFT GROUNDED. INTERROGATED THE FMC CDU FOR ENGINE FAULTS, BOTH ENGINES OPS NORMAL. NO RECENT FAULTS OR FAULT HISTORY FOUND.
F/O FMC CYCLING BETWEEN OFF AND TEST. ACFT GROUNDED. CYCLED ACFT POWER TO DARK FOR 2 MINUTES PERFORMED FMC BITE PROCEDURE, NO FAULTS FOUND. F/O FMC CHECK NORMAL REF FIM 34-61, TASK 801.
SATCOM LOCKUP ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. SATCOM RESTORED NORMAL.
SATCOM LOCKUP. ACCOMPLISHED SAT RESET PROCEDURE IAW QRH. ACFT GROUNDED. ACCOMPLISHED FIM 23-15, TASK 801. OPS CHECK GOOD.
AFTER 1 HOUR, RT FUEL READS 1000 LBS LOW. ACFT GROUNDED. REPLACED NR 2 FUEL TANK COMPENSATOR UNIT, F15R IAW AMM 28-41-21. REPLACED TANK UNITS F1R, F3R, F6R, F8R, AND F9R REF AMM 28-41-21. FQIS SYS TEST GOOD FOR NR 2 FUEL TANK REF AMM 28-41-00-730-801. FUEL QTY COMPARISON CHECK GOOD FOR NR 2 FUEL TANK IAW AMM 28-41-00-720-801.
FOUND NR 2 ENGINE ELECTRONIC ENGINE CONTROL FAULT NR 73-31372 UPPER EGT SECTORS READING HIGH ECONOMIC FAULT. ACFT GROUNDED.
WITH CENTER TANK FUEL REMAINING AND WITH ALL 6 FUEL PUMPS ON, RT MAIN TANK SHOWED LOSS OF 500 POUNDS IN FIRST HR OF FLIGHT. ACFT GROUNDED. ACCOMPLISHED FQIS OPS TEST, REF AMM 28-41-00. NO FAULTS IN CURRENT STATUS OR FAULT HISTORY LAST FLIGHT. FQIS GROUND TEST GOOD. TRANSFERED FUEL BETWEEN CTR & NR 2 TANKS. NO FLUCTUATIONS OF FUEL INDICATION. TRANSFERED FUEL BACK. BEFORE FUEL TRANSFER, SUMPED NR 2 TANK. NO WATER FOUND. SUSPECT WATER AT TIME OF INDICATION ISSUE. REF COMPARISON CHECK ACCOMPLISHED PREVIOUS DAY.
WITH 1.12 LBS IN CENTER TANK, LT MAIN TANK INDICATED 8.80 AND RT MAIN INDICATED 7.95. WHEN CENTER TANK PUMP LIGHTS CAME ON WE TURNED OFF CENTER PUMPS. CENTER TANK INDICATED 0 AND RT MAIN WAS STILL AT 7.95 CENTER TANK QTY INCREASED TO .05 TURNED CENTER PUMPS ON THEN OFF WHEN ILLUMINATED BALANCED MAIN TANK FUEL AND MAIN TANK QUANITIES HAVE REMAINED BALANCED. CENTER QUANTITY OCCASIONALLY INCREASED TO .03 THEN RETURNS TO 0.00. FUEL FLOW ON LT AND RT ENGINES STAYED MATCHED AND TOTAL QTY EXCEEDED FLIGHT PLAN ESTIMATES. FUEL TEMP WAS -29 C. ACFT GROUNDED. PREFORMED FQIS BITE TEST NO CURRENT FAULTS, NO INFLIGHT FAULTS NOTED, SYS TEST PASSED REF FIM TASK 28-41, TASK 801, PERFORMED CROSSFEED VALVE FUNCTIONAL TEST REF AMM 28-22-00-730-802 TEST PASSED, ACCOMPLISHED FQIS COMPARISON CHECK REF AMM 28-41-00-720-801. ACFT CHECKS GOOD OK FOR SERVICE.
SATCOM LOCKUP. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. SATCOM RESTORED NORMAL.
WHILE PERFORMING T/C 78273000, FOUND NR 1 ENGINE FAULT MSG 73-31371, UPPER EGT SECTORS READING HIGH ON FLIGHT LEG 2 ECONOMIC FAULT. ACFT GROUNDED. ON DEFERRAL.
AUTOLAND DURING FLARE ACFT DRIFTED LT OF CENTERLINE RWY 16R WINDS 150 DEGREES, 07 KNOTS. ACFT GROUNDED. ACCOMPLISHED LAND VERIFY TEST NUMEROUS TIMES, TEST PASSED REF AMM 22-11-00. PREVIOUSLY RECORDED MSG NOT OBSERVED.
NEGATIVE START NR 1 ENGINE, 25 PERCENT MAX MOTORING NO EGT WITH RT IGNITION SECOND START NEGATIVE START ENGINE 1, 25 PERCENT MAX MOTORING NO EGT WITH LT IGNITION. ACFT GROUNDED. PERFORMED FIM 74-21, TASK 807 ON NR 1 ENGINE. APPLIED HEAT TO COLD SOAKED ENGINE. ENGINE FAULTS CLEARED. CREW PERFORMED 2 GROUND STARTS BOTH NORMAL. INTTERMITENT FAULTS.
DURING PDC FOUND WING ANTI-ICE LT VALVE, RT VALVE AND ENGINE ANTI-ICE COWL ANTI-ICE AND COWL VALVE OPEN LIGHTS WILL NOT TEST. ACFT GROUNDED. FOUND ENGINE 1 ANTI-ICE ENGINE AND WING CONTROLLER C/B POPPED. RESET C/B. MOVED WING ANTI-ICE SWITCH TO ON. C/B POPPED. T/S DISCONNECTED NR 1 COWL ANTI-ICE VALVE NO HELP. DISCONNECTED NR 1 GROUND. THERMAL ANTI-ICE SOLENOID VALVE NO HELP. DISCONNECTED NR 2 GROUND THERMAL ANTI-ICE SOLENOID VALVE NO HELP. SWAPPED CAT PANEL , NO HELP. RETURNED CONTROLL PANEL AND OPS CHECKED. REF AMM 30-11-00. REPLACED C/B ANTI-ICE ENGINE & WING CONTROLLER REF AMM 20-00-00, NO HELP. DISCONNECTED CONNECTOR PLUG D30404 AT NR 2 ENGINE PYLON. FIREWALL LIGHTS REMAIN ILLUMINATED & C/B DOES NOT TRIP. RECONNECTED NR 1 COWL ANTI-ICE VALVE REF AMM 30-21-11. RECONNECTED NR 1 GROUND THERMAL ANTI-ICE SOLENOID VALVE REF AMM 30-11-12. REPLACED NR 2 ENGINE NACELLE WIRING HARNESS REF AMM 71-51-03.
SATCOM LOCKUP, ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. SATCOM RESTORED NORMAL.
ON CLIMBOUT AT 10,000 FT, CROSSFEED IN TRANSIT LIGHT STARTED COMING ON AND OFF INTERMITTENTLY. CONTINUED TO DO SO IN CLIMB. RECYCLED CROSSFEED VALVE AS CENTER FUEL ALMOST GONE. LIGHT STOPPED FLASHING. ACFT GROUNDED. CURRENTLY SYSTEM WORKS BUT DURING COURSE OF TROUBLESHOOTING FOUND MANUAL OPEN/CLOSE LEVER ON ACTUATOR EXTREMELY STIFF COMPARED TO NEW VALVE ACTUATOR. REPLACED ENGINE FUEL CROSSFEED ACTUATOR IAW AMM 28-22-21-000-804 AND 28-22-21-400-804. GROUND FUNCTIONAL CHECK GOOD IAW AMM 28-22-21-710-801.
NO SAT PROMPT AFTER APU ON BUS ON GROUND. ACFT GROUNDED. QRH PROCEDURES SUCCESSFUL ON GROUND.
FORWARD CAB AND AFT CAB KNOBS SEEM TO BE WAY TOO FAR TO THE LT TO HOLD A COMFORTABLE TEMP, ABOUT 21 DEG CELSIUS, THE KNOBS ARC ALMOST 90 DEG TO THE LT. CONTROL CAB ABOUT 12:30-1:00 POSITION. FWD AND AFT KNOBS ABOUT 9:30 POSITION. ACFT GROUNDED. WITH PACKS ON, VERIFIED DISCREPANCY. FOUND LITTLE TO NO INTAKE AIR FLOW TO PASSENGER CABIN TEMP SENSOR ASSYS, REF AMM 21-61-06, REMOVED SAME FILTERS AND FOUND PACKED WITH DUST. ALSO NOTED CABIN TEMP SENSORS COVERED IN DUST. CLEANED BOTH PASSENGER CABIN TEMP SENSORS AND FILTERS. OPS NORMAL REF AMM 21-61-10 AND CONTROL CABIN AND BOTH PASSENGER CABIN TEMP CONTROLS, OPS NORMAL WITH PACKS RUNNING.
WHILE TROUBLESHOOTING FOR HIGH EGT EXCEEDANCES, FOUND WIRES AT NR 2 ENGINE RT CORE UPPER, AT FIRE LOOP BROKE. ACFT GROUNDED. RETERMINATED WIRES, OPS NORMAL REF AMM 26-11-02.
NR 2 ENGINE HAS SEVERAL OPEN DEFERRALS FOR EGT INDICATION. ACFT GROUNDED. NO RECENT FAULT ON EEC BITE, MSG 77-10852 ONLY FAULT FOUND IN FLT HISTORY LAST OCCURED ON LEG 5 & 6. RAN ENGINE FOR 5 MINS S1-S4 370, 399, 436, 396. ALL PROBES CLEANED, S1 FAILED RESISTANCE CK, S2 LOOSE SOCKET TENSION ON CJ9 HARNESS, S3 CJ10 HARNESS INTERNAL DAMAGE. R & R T49.5 S1 PROBE REF AMM 77-21-01. R & R CJ9 & CJ10 CORE HARNESS REF AMM 73-21-03. ALL INSTALLATION TEST ACCOMPLISHED.
SATCOM LOCKUP. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. SATCOM RESTORED NORMAL.
SATCOM LOCKUP. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. SATCOM RESTORED NORMAL.
SATCOM LOCKUP, ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. SATCOM RESTORED NORMAL.
THE NR 2 ENGINE CDU TEST SHOWS MAINTENANCE MESSAGE 77-10852, THE BOTTOM RT EGT SIGNAL, T495S2, IS OUT OF RANGE. ACFT GROUNDED. PROBE REPLACED.
SATCOM LOCK-UP DURING POWER TRANSFER, ACFT GROUNDED. ACCOMPLISHED QRH RESET PROCEDURE. SATCOM RESTORED NORMAL.
SATCOM LOCKUP, DURING POWER TRANSFER, ACFT GROUNDED. ACCOMPLISHED QRH RESET PROCEDURE. SATCOM RESTORED NORMAL.
DURING T/C 78273000, FOUND MAINTENANCE MSG 73-31372 UPPER EGT SENSORS READING HIGH, NR 2 ENGINE. ACFT GROUNDED, ON DEFERRAL.
DURING ACCOMPLISHEMENT OF TASK CARD 78273000, THE TOP LT EGT IS OUT OF RANGE, MAINTENANCE MSG 77-20872, NR 2 ENGINE. ACFT GROUNDED. RE-ACCOMPLISHED TASK CARD 78273000. NO FAULT CODES FOUND ON CURRENT AND OR HISTORY.
DC FAIL LIGHT ILLUMINATES ON & OFF ON MODE SELECT UNIT DURING & AFTER ALIGNMENT. ACFT GROUNDED. NO FAULT CODE ON IRS BITE EVEN WITH DC FAIL LIGHT ON. ACCOMPLISHED FIM 34-21 TASK 842 POWER & CONTINUITY CHECKED NORMAL. R & R IFSAU REF AMM 22-11-37. ACCOMPLISHED INSTALLATION TEST FOR ADIRU & IFSAU REF SAME. TESTS PASSED.
PERFORMING TC 78273000, FOUND MAINTENANCE MSG 77-10841, THE TOP RT EGT SIGNAL T49581 IS OUT IS OUT OF RANGE. ACFT GROUNDED. RE-ACCOMPLISHED TASK CARD 78273000. NO FAULT CODES FOUND ON CURRENT OR HISTORY.
FWD CARGO COMPARTMENT, RT FLOOR SUPPORT BAFFLE BS 500G TO 500H IS CRACKED. ACFT GROUNDED. R & R RT FLOOR SUPPORT BAFFLE BS 500G TO 500H IAW SRM 51-10-02 PARA 9, SRM 51-40-02 AND DWG 143A7505, REV A.
FWD CARGO COMPARTMENT BILGE, STR CLIP AT S-26R, BS 500I IS CRACKED. ACFT GROUNDED. R & R STR CLIP IAW SRM 51-10-02, PARA 9, 51-40-02, AND DWG 143A1234, REV A.
FWD CARGO COMPARTMENT, RT FLOOR SUPPORT BAFFLE CLIP AT FWD SIDE OF BS 500G IS CRACKED. ACFT GROUNDED. R & R RT FLOOR SUPPORT BAFFLE CLIP AT FWD SIDE OF BS 500G IAW SRM 51-10-02, PARA 9, SRM 51-40-02 AND BAC DWG 143A7505, REV A.
FWD CARGO COMPARTMENT, RT FLOOR SUPPORT BAFFLE CLIP AT FWD SIDE OF BS 500H IS CRACKED. ACFT GROUNDED. R & R RT FLOOR SUPPORT BAFFLE CLIP AT FWD SIDE OF BS 500H IAW SRM 51-10-02, PARA 9 SRM 51-40-02 AND BAC DWG 143A7505, REV A.
FWD CARGO COMPARTMENT, RT FLOOR SUPPORT BAFFLE CLIP AT AFT SIDE OF BS 500H IS CRACKED. ACFT GROUNDED. R & R RT FLOOR SUPPORT BAFFLE CLIP AT AFT SIDE OF BS 500H IAW SRM 51-10-02, PARA 9 AND 51-40-02 AND IAW DWG 143A7505, REV A .
FWD CARGO COMPARTMENT, FRAME SHEAR TIE IS CORRODED AT BS 500I, BETWEEN S-26R AND S-27R. ACFT GROUNDED. REMOVED CORROSION AND FOUND BEYOND ALLOWABLE LIMITS IAW SRM 53-00-01-1A-5. ORIGINAL MATERIAL THICKNESS IS 0.050 IN, REMAINING THICKNESS IS 0.040", REMOVED 0.010" R & R SHEAR TIE IAW SRM 51-10-02, PARA 9, 51-40-02, AND DWGS 143A1234, REV A, AND 143A3230, REV B.
FWD CARGO DOOR SURROUND, AFT SHIELD BS 498-500A HAS CORROSION. ACFT GROUNDED. R & R SHIELD IAW DWG 143A0080, REV A AND SRM 51-40-02 CORROSION WAS FOUND BEYOND ALLOWABLE LIMITS IAW SRM 53-30-15-1A-1, ORIGINAL MATERIAL THICKNESS WAS .032" MIN REMAINING THICKNESS IS .006", REMOVED .026".
AFT CARGO COMPARTMENT FLOOR, RT TRANSITION PANEL UPPER SKIN SEVERAL SPOTS, CORROSION & DRILL MARKS BS 727F+9 -BS 727I+9, STR 25R-STR 26R. ACFT GROUNDED. REMOVED CORROSION BS 727F+9 TO BS 727I+9 ORIGINAL THICKNESS IS .040. TOTAL MATERIAL REMOVED IS .003, REMAINING THICKNESS IS .037". EXCLUDING BS 727H+20, AREA FOUND TO BE WITHIN LIMITS IAW SRM 53-00-53-1A-2, FIG 103. ALODINED & PRIMED & MARKED BLENDOUT AREAS, IAW SRM 51-20-01 & AMM 51-05-01 BS 727H+20. ORIGINAL THICKNESS .040 TOTAL MATERIAL REMOVED .016 REMAINING THICKNESS .024 AREA FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2F. ACCOMPLISHED SPLICE REPAIR A+ BS 727H+20 IAW SRM 53-00-53-2R-5. DOT REMOVED .
AFT CARGO COMPARTMENT FLOOR, RT TRANSITION PANEL UPPER SKIN SEVERAL SPOTS CORROSION BS 727C-BS 727E+2, STR 25R-STR 26R. ACFT GROUNDED. REMOVED CORROSION FROM BS 727C-BS 727E +2 ORIGINALE THICKNESS IS .040" REMOVED .003" REMAINING THICKNESS .037" FOUND TO BE WITHIN LIMITS IAW SRM 53-00-53 T NR T8225Y & EVALUATE BS 727C+20 ORIGINAL THICKNESS .040", REMOVED .007" REMAINING THICKNESS .033 FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53 T NR T8225Y ACCOMPLISHED SPLICE REPAIR AT 727C+20 IAW SRM 53-00-53-2R-5 ALODINED IAW SRM 51-20-01 PRIMED IAW SOPM 20-41-02 INSTALLED REPAIR PARTS IAW SRM 53-00-53-2R-5. MARKER TO MARK THE BLENDOUT AREA. DOT REMOVED IAW AMM 51-05-01.
AFT CARGO COMPARTMENT FLOOR, LEFT TRANSITION PANEL UPPER SKIN SEVERAL SPOTS CORROSION BS 727+8-BS 727E, STR 25L-STR 26L. ACFT GROUNDED. REMOVED CORROSION BS 727+8 TO 727C+8 IAW SRM 53-00-53-1A-2, ORIGINAL MATERIAL THICKNESS IS 0.040" REMAINING THICKNESS IS 0.037", REMOVED 0.003". ALODINED REWORKED AREAS IAW SRM 51-20-01, PRIMED REWORKED AREAS IAW SOPM 20-41-02. MARKED BLENDOUT AREAS IAW AMM 51-05-01. REMOVED CORROSION BS 727C+9 TO 727E & FOUND BEYOND ALLOWABLE LIMITS IAW IAW SRM 53-00-53-1A-2. ORIGINAL MATERIAL THICKNESS IS 0.040", REMAINING THICKNESS IS 0.033", REMOVED 0.007". ACCOMPLISHED SPLICE REPAIR APPROXIMATELY BS 727C+9 TO 727E IAW SRM 53-00-53-2R-5. REMOVED DOT .
AFT CARGO COMPARTMENT FLOOR, LT TRANSITION PANEL UPPER SKIN SEVERAL SPOTS CORROSION & DRILL MARKS BS 727H+17, BS 789, STR 25L-STR 26L. ACFT GROUNDED. REMOVED CORROSION IAW SRM 51-10-02 ORIG MATERIAL .040 MATERIAL REMOVED .016 REMAINING .024 OUT OF LIMITS IAW SRM 53-00-53 MATERIAL ID FOR SPLICE REPAIR AND SIDE PLATE BAC1496-377 IAW SRM 53-00-53, REMOVED DAMAGE SEC IAW SRM 53-00-53, FABRICATED NEW PARTS IAW SRM 53-00-53 AND DWG 146A7502 ALODINED PARTS IAW SRM 51-20-01 PRIMED PARTS IAW SOPM 20-41-02 INSTALLED REPAIR IAW SRM 51-40-02 AND DWG NR 146A7502, REMOVED DOT .
AFT CARGO COMPARTMENT THRESHOLD UNDER SCUFF PLATE, UPPER SKIN CORROSION BS 807 - BS 840. ACFT GROUNDED. REMOVED CORROSION AND FOUND BEYOND ALLOWABLE LIMITS IAW SRM 53-60-15-1A-1, ORIGINAL MATERIAL THICKNESS .045" REMAINING THICKNESS .039". REMOVED .006". R & R WEB IAW SRM 51-10-02, PARA 9 51-40-02 AND DWG 146A8340, REV A REMOVED DOT U066.
FWD CARGO FLOOR SUPPORT STRUCTURE, RT TRANSITION PANEL HAS CORROSION ON UPPER SURFACE MARKED BS 500G-BS 500I. ACFT GROUNDED. REMOVED CORROSION IAW SRM 57-10-02 ORIG MATERIAL .040 IAW SRM 53-30-53, MAT LOSS .025 REMAINING .015 OUT OF LIMITS IAW SRM 53-00-53. REMOVED DAMAGE IAW SRM 53-00-53-2R-5 MATERIAL ID FOR REPAIR BAC1486-444 IAW SRM 53-00-53, PO 849592.5, FAB SIDE PLATE AND SIDE PLATE SPLICE IAW SRM 53-00-53 ALODINED PARTS IAW SRM 51-20-01 PRIMED PARTS IAW SOPM 20-41-02 INSTALLED REPAIR IAW DWG 143A7500 AND SRM 51-40-02, REMOVED DOT A483 .
AFT CARGO COMPARTMENT MAIN FRAME RIGHT SIDE, GILL LINER SUPPORT ANGLE UPPER SURFACE CORROSION BS 727D, STR 25R-STR 26R. ACFT GROUNDED. REMOVED CORROSION AND FOUND BEYOND ALLOWABLE LIMITS IAW SRM 53-00-07-1A-1, ORIGINAL MATERIAL THICKNESS IS 0.063", REMAINING THICKNESS IS 0.053", REMOVED 0.010". R & R SUPPORT ANGLE IAW SRM 51-10-02, AORA 9, 51-40-02, AND BAC DWG 146A1220, REV. REMOVED DOT A793.
FWD CARGO COMPARTMENT, RT SIDEPLATE CHANNEL, ZEE ANGLE, IS PUNCTURED AT BS 500A+4 AND 500B. ACFT GROUNDED. REMOVED DAMAGE IAW SRM 57-10-02 MATERIAL ID FOR SPLICE AND SIDE PLATE BAC1496-444, FABRICATED REPAIR PARTS IAW SRM 53-00-53 ALODINED PARTS IAW SRM 51-20-01, PRIMED REPAIR PARTS IAW SOPM 20-41-02 INSTALLED IAW SRM 53-00-53, FIG 202. REMOVED DOT.
NR 1 ENGINE RT IGNITION SYS INOPERATIVE. ACFT GROUNDED. PERFORMED IGNITION SYS AUDIBLE TEST IAW AMM 74-00-00-750-801-F00, RESULTS ARE GOOD ON RT IGNITER, ACCOMPLSHED FIM 74-21-807. GROUND VERIFICATION ACCOMPLISHED AND GOOD. NO FAULTS RECORDED ON CDU.
APU FAULT LIGHT CAME ON DURING START. ACFT GROUNDED. ON DEFERRAL.
AFTER PUSHBACK AND START UP ON MASTER RECALL, WE HAD ZONE TEMP LIGHT UP ON THE OVERHEAD CONTROLLER CAB, IT EXTINGUISHED WITH THE RESET. ACFT GROUNDED. CONFIRMED FAULT, NR 2 PACK ZONE TEMP CONTROLLER SHOWS FLT DECK TCV, V143, FAULT. NR 1 PACK ZONE TEMP CONTROLLER SHOWS NO FAULTS. R & R FLIGHT DECK TCV REF AMM TASK 21-61-21. ACCOMPLISHED GROUND FUNCTIONAL CHECK & PACK/ZONE TEMP CONTROLLER BITE TEST NORMAL REF AMM TASK 21-61-00-700-806-002.
NR 1 ENGINE "ECONOMIC" FAULT 73-31371 "UPPER EGT SECTORS READING HIGH" FOUND DURING RECENT FAULTS, ESN 894-851, CORRECT/REPAIR WITHIN 500 FLT HOURS. ACFT GROUNDED. ON DEFERRAL.
DURING ACCOMPLISHMENT OF T/C 78273000 ON NR 1 ENGINE, FOUND MSG NR 77-10841. THE TOP RT EGT SIGNAL, T495S1, IS OUT OF RANGE. ECONOMIC FAULT. ACFT GROUNDED. ON DEFERRAL.
SATCOM LOCKUP. ACFT GROUNDED. CHECKLIST COMPLETED, SATCOM NOW WORKS.
APU FAULT ON CSS FIRST ATTEMPT FL 380. ACFT GROUNDED. APU GROUND START VERIFICATION GOOD. NO DEFECTS NOTED.
WHILE ACCCOMPLISHING AN INSPECTION ON NR 1 ENGINE, FOUND FAULT CODE 77-10841 TOP RT EGT, T49551, SIGNAL OUT OF RANGE. ACFT GROUNDED.
THE APU WOULD NOT ACCEPT THE BUSSES ON TAXI IN. NUMEROUS ATTEMPTS WERE MADE, ABOUT 10 AFTER NR 2 WAS SHUTDOWN IN THE CHOCKS IT WENT ON THE BUSSES. ACFT GROUNDED. ACCOMPLISHED APU BITE REF FIM 49-60, TASK 801. FOUND FAULT MESSAGE 49-41245, ACCOMPLISHED FIM 49-40, TASK 807, FOUND FAULT TO BE INTERMITTENT.
AUTOPILOT KICKED OFF FOR NO APPARENT REASON AT CRUISE, IN AUTO "A", AUTO "B" WORKED REST OF THE TRIP. ACFT GROUNDED. REPLACED MCP. OPS NORMAL REF 22-11-34, INSTALL TEST.
SATCOM LOCKUP GROUNDED. ACCOMPLISHED QRH. OPS NORMAL.
CO-PILOT'S CDU PANEL BUTTONS ARE WORN BEYOND LIMITS. UNREADABLE AT NIGHT WITH POOR BACKLIGHTING, DIFFICULT TO READ DURING THE DAY. COVER ARE ALSO WORN ON LINE KEYS. ACFT GROUNDED. VERIFIED DISCREP. REF MM 34-61-01. REPLACED F/O'S FMCS CDU KEYBOARD. OPS NORMAL REF SAME MM.
SATCOM LOCKUP GROUNDED. QRH PROCEDURE COMPLETED, SATCOM RESTORED.
SATCOM LOCK-UP OCCURRED. ACFT GROUNDED. ACCOMPLISHED QRH, SATCOM RESTORED.
SATCOM LOCKUP. ACFT GROUNDED. RESET SATCOM C/B IAW QRH PROCEDURE. OPS NORMAL.
F/O'S COURSE INDICATOR WINDOW ON MCP IS BLANK. ACFT GROUNDED. OPEN
ON CDU LEGS PAGE, SPEEDS AND ALTITUDES WOULD NOT POPULATE. ACFT GROUNDED. PERFORMED BITE OF BOTH FMC'S REF FIM 34-61, TASK 801, NO FAULTS. CYCLED ACFT POWER AND CREW REPROGRAMMED FMC'S, SPEED AND ALTITUDES POPULATED. PERFORMED OPS CKS OF NR 1 AND NR 2 FMC'S REF AMM 34-61-00. ALL OPS NORMAL WITH NO FAULTS. ALL GROUND FUNCTIONAL TESTS PASS OK FOR ETOPS SERVICES. NO HISTORY 30 DAYS.
SATCOM PROMPT DISAPPEARED AFTER ENGINE START. ACFT GROUNDED. RESET VIA QRH SUCCESSFULLY.
SATCOM LOCKED-UP. ACFT GROUNDED. PERFORMED QRH PROCEDURE SATCOM RESTORED.
DURING APU CSS ATTEMPT AT FL 380, FAULT LIGHT ILLUMINATED. FAULT LIGHT EXTINGUISHED WITHIN 5 MINS. QRH ACCOMPLISHED AT FL 340 APU SUCCESSFULLY STARTED. ACFT GROUNDED. BITE CHECK OF APU ECU SHOWS ONE OCCURRENCE OF FAULT CODE 49-41010. NO PREVIOUS HISTORY 90 DAYS AND NO CURRENT FAULTS. PERFORMED APU OPS TEST IAW AMM 49-11-00-710-801. OPS TEST GOOD. PERFORMED FIM TASK 49-40, TASK 801 A-F, 26D. FAULT CODE 49-41010 DID NOT RETURN. CSS START PASSED.
NO SATCOM ON MENU PAGE, ACFT GROUNDED. USED PROCEDURE "SATCOM LOCK-UP" IN QRH, 5.3 FOR SUCCESSFUL RESTORATION.
NO SATCOM PROMPT IN FLIGHT, ACFT GROUNDED. RESET SATCOM IN FLIGHT IAW QRH.
DURING ENGINE POWER RUN, FOUND ELECTRIC LIGHT ILLUMINATED. ACFT GROUNDED. DID FIM 24-31, TASK 824- FOUND BATTERY CHARGER INOPERATIVE 1 FAULT. CLEARED FAULT AND CHECKED BATTERY CHARGER LIGHTS- GREEN. NO HISTORY 90 DAYS. OPS NORMAL.
CRACK FOUND ON LT HORIZONTAL STABILIZER LWR SKIN JUST INBD OF STABILIZER FS 147.9 DIRECTLY INBD OF DRAIN HOLE. CRACK IS APPROXIMATELY 1" LONG AND MARKED IN RED. ACFT GROUNDED. REPAIRED CRACKED SKIN ON LT HORIZONTAL STABILIZER AT STABILIZER FS 147.9 DIRECTLY INBD OF DRAIN HOLE AND 7" FWD OF AFT SPAR IAW SRM 55-10-01-2R-11.
CRACK FOUND ON RT HORIZONTAL STABILIZER LWR SKIN JUST INBD OF STAT FS 101.9, APPROX 8" FED OF AFT SPAR. CRACK IS APPROXIMATELY 1" LONG AND MARKED IN RED. ACFT GROUNDED. REPAIRED CRACKED SKIN ON RT HORIZONTAL STABILIZER LWR AT STABILIZER FS 101.9, APPROXIMATELY 8" FWD OF AFT SPAR, 1" INBD OF DRAIN HOLE AND 20" AFT OF FWD SPAR IAW SRM 55-10-01-2R-11.
DURING PUSH BACK, RECEIVED A SATCOM LOCKUP, ACFT GROUNDED. RAN CHECKLIST, SAT PROMPT BACK
DIAGNOSTICS REPORTS NR 2 ENGINE EGT HDM CONTINUES TO SHOW GREATER THAN EXPECTED DATA SCATTER AND MARGIN LOSS. INDICATION ERRORS STILL SUSPECT. ACFT GROUNDED. ACCOMPLISHED T49.5 PROBE AND EGT INSPECTION REF AMM 77-21-01. REPLACED S3 T49.5 PROBE REF AMM 77-21-01. OPS CHECKED GOOD.
WHILE PEFORMING T/C 78273000, FOUND MAINTENANCE MSG 77-20862, "THE BOTTOM LT EGT SIGNAL, T495S3, IS OUT OF RANGE" ON NR 2 ENG ESN892792. ACFT GROUNDED. ON DEFERRAL.
SATCOM LOCKUP, ACFT GROUNDED. QRH PROCEDURE ACCOMPLISHED, NORMAL OPS RESTORED.
APU BLUE "MAINT" LIGHT ILLUMINATED. GROUNDED - YES. ACCOMPLISHED APU BITE TEST, SHOWS LOW OIL QUANTITY FAULT AND FAULT CLEARED. APU OIL QUANTITY SHOWS FULL. RAN APU NO "MAINT" BLUE LIGHT ILLUMINATED. OK FOR SERVICE.
SATCOM LOCKUP GROUNDED. SATCOM CIRCUIT BREAKER PULLED IAW SATCOM LOCKUP PROCEDURE IN QRH. NORMAL OPS RESTORED.
APU FAULT CODE 49-72104 DMM SHOWS CIRCUIT FAILURE LOGGED IN FMC/CDU. ACFT GROUNDED. APU FAULT CODE 49-72104 SHOWS UNDER MAINT HISTORY ON ALMOST EVERY OF LAST 33 STARTS. R & R APU DATA MEMORY MODULE REF MM 49-72-11. OPS NORMAL REF SAME. PERFORMED 3 EA SPU STARTS, SHUTDOWNS W/ NO RECURRENCE OF FAULT UNDER CURRENT STATUS OR MAINTENANCE.
FAULT LIGHT ILLUMINATED DURING APU START AT FL380. FAULT LIGHT EXTINGUISHED WITHIN 5 MINUTES. SUCCESSFUL START AT FL340, NO APU CAUTION LIGHTS. ACFT GROUNDED. ACCOMPLISHED FIM TASK 49-40-TASK 801. FOUND FAULT 49-41010-1 START AGO. NO CURRENT FAULTS SHOWING. PERFORMED APU START AND NO CURRENT FAULT OR FAULT 49-41010 IN LAST APU CYCLE. NO FURTHER ACTION REQUIRED IAW FIM.
FL 350, APU "FAULT" LIGHT ILLUMINATED, 2 TIMES FAILED TO START. CSS AT FL 300 PASSED NORMALLY. ACFT GROUNDED. FOUND FAULT 49-31016, OVER TEMP SHUTDOWN, 2 STARTS OLD, IAW FIM 49-30-TASK 803.
IN V-NAV ON CLIMB AND CRUISE THE AIRSPEED WAS STUCK ON 208. ABOUT 10 MINUTES AT CRUISE TRIED V-NAV AGAIN AND IT OPERATED NORMALLY. ACFT GROUNDED. DFCS FLT 1 LOGGED L-NAV ENGAGE FAULT. GROUND VERIFICATION DFCS CURRENT STATUS BITE GRP 10, NO FAULTS. GROUND VERIFICATION TEST, DFCS FMC LRU INTERFACE GRP 34 BITE CKS NORMAL, NR 1 & NR 2 FMCS GROUND VERIFICATION TEST. OPS CKS NORMAL IAW MM 34-61-00-710-801.
AFTER ENGINE START, "FMC DISAGREE" ANNUNCIATION ON BOTH CAPT AND F/O MAP DISPLAY. ACFT GROUNDED. ACCOMPLISHED QRH "FMC DISAGREE" CHECKLISHT ON GROUND. FMC'S RECOVERED.
OVERHEAD EXIT/SALIDA SIGN FELL OFF OF HOLDER, ROW 15. ACFT GROUNDED. REINSTALLED EXIT SIGN COVER, COVERS ARE SECURED.
F/A REPORTS'EXIT FWD FACING EMERGENCY EXIT SIGN MISSING AFT MID CABIN. ACFT GROUNDED. RESOLVED ON W/O: 289535 TC: N/R-00002, REMOVED FIRE RETARDANT CARGO PIT TAPE AND INSTALLED FORWARD FACING EMERGENCY EXIT SIGN, PN 82000-37710. TIS CLEARS MEL 33-15D. PLACARD CONTROL NR 0216009 REMOVED.
SATCOM PROMPT DOES NOT APPEAR ON MENU. ACFT GROUNDED. ACCOMPLISHED SATCOM RESET IAW FIM 23-15, TASK 801. PROMPT RETURN TO MENU.
SATCOM PROMPT NOT AVAILABLE IN FLIGHT. ACFT GROUNDED. RESET IAW PROCEDURE IN QRH AND REGAINED FULL OPERATION.
PACK TRIP OFF LIGHT ILLUMINATES ON RECALL. ACFT GROUNDED. FOUND NR 1 CONTROLLER RAM AIR ACTUATOR FAULT LT. ACTUATOR HAS HISTORY. R & R LT RAM AIR DOOR ACTUATOR IAW AMM 21-51-21. OPS CK GOOD. RERAN CONTROLLER BITE TEST AND NO FAULTS PRESENT.
ON RECALL, LT PACK LIGHT COMES ON AND GOES OUT ON RESET. ACFT GROUNDED. NR 1 ZONE CONT LOGGED "RAM AIR ACT" FAULT, FAULT CLEARED & BITE CHECKED GOOD. RAN PACK, SYS OPS CHECKS NORMAL REF 21-61-00. GROUND CONFIRMATION SUCCESSFUL.
SATCOM LOCKOUT, ACFT GROUNDED. QRH PROCEDURE PERFORMED NORMAL, OPS RESTORED.
AFT ZONE TEMP LIGHT ILLUMINATES ON RECALL. ACFT GROUNDED. NR 2 TEMP CONTROLLER SHOWS A "CONTROLLER STBY PACK" FAULT ON BIT, PREV FLT, & VERIFY BITE TESTS. WOULD NOT RESET. REPLACED NR 2 TEMP CONTROLLER OPS CHECK SAME GOOD. BITE TEST SAME GOOD. GROUND VERIFICATION GOOD.
FMC DATALINK FULL MESSAGE DISPLAYED. ACFT GROUNDED. NO MSG FOUND IN FULL IN FMC, REF FIM TASK 34-61-00-810-839.
RT DEFLECTOR DOOR REMAINED RETRACTED ON GROUND. ACFT GROUNDED. PERFORMED PACK/ZONE BITE CHECKED IAW AMM 21-51-00-700-803. RAM DOOR ACTUATOR FAILED. R & R THE RT RAM AIR INLET ACTUATOR IAW AMM 21-51-21-400-801. OPS CHECK GOOD IAW AMM 21-51-00-700-803.
F/A REPORT MID-CABIN EMERGENCY EXIT LIGHT SIGN HANGING DOWN FROM CEILING. ACFT GROUNDED. MID CABIN LIGHT IS SECURE & OPS CHECKED GOOD, REINSTALLED & SECURED FWD FACING PLASTIC COVER ASSY.
SATCOM INOPERATIVE, NO SATCOM PROMPT ON MCDU MENU. ACFT GROUNDED. CIRCUIT BREAKER ON P-18 PULLED IAW QRH. NORMAL OPS RESTORED.
SATCOM LOCKED UP ON GROUND. ACFT GROUNDED. OPS RESTORED WITH QRH PROCEDURE.
AFT CABIN PRIMARY TEMP INOPERATIVE. ACFT GROUNDED. ACCOMPLISHED STEP 1 OF TSR. NO FAULTS FOUND. ACCOMPLISHED STEP 2, AND FOUND .06 MEG. ON WIRE 0330-2012-24R. REMOVED E3-3 RACK AND FOUND WIRES 0330-2012-24R IAW MMWD 21-61-14, AND WIRE 0330-2008-24B IAW MMWD 21-61-13 CHAFED TO RACK STRUCTURE. REPLACED WIRES. BITE CHECK OF ZONE TEMP CONTROLLERS SHOWS NO FAULTS. ALL OPS NML IAW MM 21-61-20,21-61-00, WDM 21-61-14, 21-61-13, SWPM 21-71-00, 21-00-14, 21-00-13.
RECALL AIR CONDITIONER AFT ZONE TEMP MASTER CAUTION, RESET ON MASTER CAUTION. ACFT GROUNDED. BITE CHECK OF NR 2 PACK/ZONE TEMP CONTROLLER M1443, FAULTED "CABIN SENSOR" " BACKUP ZONE". ACCOMPLISHED FIM 21-62/816. CABIN TEMP SENSOR CHECKS OK, WIRING BETWEEN D3910 AND D3860A OK. ALSO, CHECKED CONNECTOR D41818P&J, OK SN OF NR 2 PACK/ZONE TEMP CONTROLLER, 622814-04530, WAS PREVIOUSLY INSTALLED AND FAILED WITH SAME FAULT. REPLACED M1443. REF AMM 21-61-20/401. PACK/ZONE TEMP BITE CHECK PASSES.
SATCOM LOCKED UP, ON GROUND. ACFT GROUNDED. QRH PROCEDURE ACCOMPLISHED. NORMAL SATCOM RESTORED.
AFT CABIN ZONE TEMP LIGHT ON RECALL, RESET OUT WHEN MC. ACFT GROUNDED.
AFT ZONE TEMP LIGHT ILUMINATED AFTER RECALL. EXTINGUISHES WITH RESET. ACFT GROUNDED. OPEN
NO SATCOM PROMPT ON FMC MENU PAGE. ACFT GROUNDED. ACCOMPLISHED RESET OF SATCOM. GROUND VERIFICATION CHECKS GOOD IAW 23-15-00.
AFT CABIN ZONE TEMP LIGHT ILLUMINATED DURING RECALL AND EXTINGUISHED QRH RESET. ACFT GROUNDED. FOUND AFT CABIN FILTER DIRTY. CLEANED FILTER. RAN PACKS, NO FAULTS FOUND ON BITE CHECK. OPS CK GOOD REF AMM 21-61-10-100-801 AND FIM 21-61 TASK 801.
AFT CABIN ZONE TEMP ILLUMINATES DURING RECALL. ACFT GROUNDED. NR 2 ZONE TEMP CONTROLLER LOGS CONTROLLER FAULT- STANDBY. ACCOMPLISHED FIM 21-62, TASK 803. INSTALLED CONTROLLER IAW MM 21-61-20. GROUND VERIFICATION TEST PASSED.
AFTER ENGINE START, EXPERIENCED SATCOM LOCK UP. ACFT GROUNDED. QRH PROCEDURE ACCOMPLISHED, SATCOM OPERATION RESTORED.
EXIT SIGN CAME OFF DURING PAX BOARDING. ACFT GROUNDED. ATTACHED COVER ON EMERGENCY EXIT SIGN.
AFT ZONE TEMP ON RECALL, THE LIGHT GOES OUT WITH MASTER CAUTION RESET. ACFT GROUNDED. ACCOMPLISHED FIM 21-62, TASK 844, NO FAULTS FOUND. OPERATED RT PACK, AFT ZONE TEMP LIGHT DOES NOT ILLUMINATE. OPS CHECK NORMAL.
DURING RECALL, AFT CABIN ZONE TEMP ILLUMINATED. EXTINGUISHES ON RESET. ACFT GROUNDED. R & R TRIM VALVE FOR AFT CABIN IAW AMM 21-61-21-400-801. BITE TEST ON PACK/ZONE CONTROLLERS CHECKED GOOD. LEAK CHECK ON VALVE CHECKED GOOD. ACCOMPLISHED PACK/ZONE TEMP CONT BITE IAW FIM21-62 TASK 801. NR 1 CONTROLLER STILL FLAGS "ZONE TRIM VALVE" AFT CABIN. IAW FIM21-62 835. VERIFIED V145 NOT MODULATING, FAULT WILL NOT RESET. REPLACED ZONE TRIM AIR MODULATING VALVE, AFT CABIN V145, IAW MM21-61-21. OPS AND LEAK CHECKS NORMAL. BITE AT BOTH PACK/ZONE TEMP CONTROLLERS NO FAULTS.
LEFT BLEED TRIP OFF LIGHT CAME ON DURING DESCENT FROM FL 390. RAN QRH, PUSHED TRIP RESET AND LIGHT STAYED OUT. ACFT GROUNDED. ACCOMPLISHED ALT DEACTIVATION PROCEDURES IAW MPM 5, TABLE 3, ITEMS 1-3 AND 8. ACCOMPLISHED FIM TASK 36-10, TASK 801 FOR BLEED TRIP OFF LIGHT. FOUND NO DEFECTS DURING PRELIMINARY CHECK. C/W AMM TASK 36-00-00-860-807. UNABLE TO DUPLICATE. GROUND VERIFICATION GOOD. REPLACED NR 1 ENGINE 450 THERMOSTAT IAW MM 36-11-05 THRU STEP 3.I. (1). REPLACED NR 1 ENGINE PRECOOLER CONTROL VALVE SENSOR IAW MM 36-12-03 THRU STEP 3.H. (1). PERFORMED GVI FOR 12 O'CLOCK STRUT INLET BOX FOUND NO DEBRIS OR BLOCKAGES. REMOVED NR 1 ACAU, MEGGED PINS 1 & 2 AT CONNECTOR. NO DEFECTS NOTED. INSTALLED NR 1 ACAU IAW MM 21-51-02. ACAU OPS CHECKED NORMAL IAW MM 21-51-02. LEAK CHECKED GOOD IAW AMM 36-12-03-400-801 & 36-00-00-860-805.
APU FIRST ATTEMPT UNSUCCESSFUL WITH FAULT LIGHT ILLUMINATED, RAN QRH CHECKLIST. AFTER 5 MINUTES WAIT, FAULT LIGHT EXTINGUISHED AND SECOND ATTEMPT TO START WAS SUCCESSFUL AT FL 32000. BOTH ATTEMPTS AT 32000. ACFT GROUNDED. ACCOMPLISHED APU CURRENT STATUS AND TEST SHOWS NO FAULTS. APU FAULT HISTORY SHOWS MAINT MESSAGE 49-41010, NO ACCELERATION SHUTDOWN. FAULT WAS 5 STARTS OLD. THE ONLY OTHER OCCURRENCE WAS 547 STARTS AGO ON MAY 2ND. PERFORMED FIM 49-40 TASK 801, FAULT WAS INTERMITTENT PER 26(D). FAULT CODE 49-72104 AS STATED IN THE TROUBLESHOOTING TEXT IS NOT RELATED TO THIS DISCREPANCY, FAULT IS NUMEROUS IN MAINT HISTORY PAGE, AS WELL AS NUMEROUS OCCURRENCES OF FAULT MAINT MSG 49-52284 SURGE VALVE POSITION DISAGREE, ALSO NOT RELATED IAW TECH SERVICES. NEITHER FAULT OCCURRED AT THE TIME OF DISCREPANCY. PERFORMED APU GVI PRECAUTIONARY WITH NO DEFECTS FOUND. PERFORMED APU STARTING OPERATION SEVERAL TIMES REF AMM 49-11-00. ALL STARTS NORMAL AND NO FAULTS LOGGED.
RT CENTER FUEL PUMP FAILED THE AUTO SHUTOFF TEST. ACFT GROUNDED. R & R RELAYS R 937 & R 935. OPS CHECKED GOOD.
AFTER PUSHBACK AND ENGINE START THE "ZONE TEMP" AFT CABIN LIGHT ILLUMINATED ON RECALL. LIGHT EXTINGUISHED WHEN MASTER CAUTION SYS WAS RESET. ACFT GROUNDED.
LEFT "BLEED TRIP OFF" LIGHT ILLUMINATED AT TOP OF DESCENT FL400. QRH CHECKLIST ACCOMPLISHED. LIGHT OUT AND PACK RESET WITH TRIP RESET PUSHED. ACFT GROUNDED. PERFORMED FIM TASK: 36-10, TASK 801. STEP E(2) DROVE TO ACCOMPLISH "PRELIMINARY CHECKS" FAULT ISOLATION PROCEDURES-STEP F, 2, B. FOUND BINDING HIGH STAGE VALVE ON THE NR 1 ENGINE REPLACED HIGH STAGE VALVE & INSTALLED NEW. REF: AMM 36-00-00. ACFT OK FOR SERVICE.
ACCOMPLISHED NR 1 ENGINE HEALTH CHECK IAW T/C NG-36WC-00001. FOUND AIR LEAK AT GROUND WING ANTI-ICING SOLENOID VALVE CONNECTION. REPLACED CRUSHED SEAL IAW MM 30-11-12-000-801 AND MM 30-11-12-400-801. OPS/LEAK CHECK GOOD.
NR 2 ENGINE IDG REQUIRED FREQUENT SERVICING. ACFT GROUNDED. ACCOMPLISHED TSR 81086, NO ACTIVE LEAKS NOTED. REPLACED NR 2 IDG IAW AMM 24-11-11-000-801 AND AMM 24-11-11-400-801. OPS AND LEAK CHECKED GOOD IAW AMM 24-11-00-700-803.
AFTER ENGINE START, RECEIVED AN AFT CABIN ZONE TEMP LIGHT. LIGHT GOES OUT ON MASTER CAUTION RESET. ACFT GROUNDED.
AFT ZONE TEMP CONTROLLER LIGHT ILLUMINATED DURING MASTER CAUTION RECALL. ACFT GROUNDED. ACCOMPLISHED FIM 21-62, TASK 844. OPERATED RT AIR CONDITIONING PACK ZONE TEMP LIGHT REMAINS OFF. AFT CABIN SUPPLY DUCT TEMP MODULATES IN RELATION TO ZONE TEMP SELECTOR. PERFORMED PACK/ZONE TEMP CONTROLLER BITE REF FIM 21-62 TASK 801. NO FAULTS LOGGED.
FMC DISAGREE LIGHT CAME ON WHILE ON THE GROUND. ACFT GROUNDED. PERFORMED QRH PROCEDURE, OPS NORMAL.
DURING TAXI OUT AND AFTER EARLIER POWER INTERRUPTION, FMC DISAGREE INDICATED. ACFT GROUNDED. RAN CHECKLIST SUCCESSFULLY. NORMAL OPS RESTORED.
NR 1 ENGINE FAN BLADE SHIMS MISSING MORE THAN 25 PERCENT MOLYDAG IAW MM 72-21-02-200-801, STEP 2 C1, 1, B. ACFT GROUNDED. REPLACED NR 1 ENG FAN BLADE SHIMS IAW T/C 78472002.
AFT ZONE TEMP LIGHT CAME ON DURING RECALL, EXTINGUISHED WITH MASTER CAUTION RESET. ACFT GROUNDED. COULD NOT DUPLICATE. ACCOMPLISH FIM 21-62/816, WITH NO DEFECTS NOTED. ALSO RANG OUT S1077 AFT CABIN OVERHEAT SW, RANG OUT NORMAL BUT DID FIND PIN 1 BENT. REPLACED S1077 REF WDM:21-61-14 & MM:21-61-05 REPLACED PRECAUTIONARY RT PACK TEMP CONTROLLER REF MMM:21-61-20. ALL GROUND VERIFICATION OPS CK NORMAL.
DURING WALK AROUND, FOUND "FLT DECK TRIM VALVE" LIGHT ILLUMINATED ON ZONE TEMP CONT NR 2. ACFT GROUNDED. ACCOMPLISH 21-62, TASK 801, CLEARED FAULT. PERFORMED TEST AGAIN, FAULT DID NOT COME BACK. NO FAULTS NOTED ON RECALL.
AFT CABIN ZONE TEMP LIGHT ILLUMINATED DURING RECALL. ACFT GROUNDED. PERFORMED CABIN TEMP CONTROL BIT CHECK ON NR 2 CONTROLLER. CURRENT FAULT SHOWS BACKUP ZONE, AFT ZONE, SENSOR. ON VERIFY GOT TCV FAULT ON NR 2. RESET NR 2 CONTROLLER. RAN BIT CHECK NO FAULTS NOTED.
AFT CABIN ZONE TEMP LIGHT ILLUMINATED DURING RECALL. ACFT GROUNDED. REPLACED AFT CABIN TEMP SENSOR AMM 21-61-10. OPS CHECKED NORMAL.
AFTER STARTING THE ENGINES AFT CABIN ZONE TEMP LIGHT ILLUMINATED. DURING RECALL WHEN THE MASTER CAUTION WAS RESET, THE ZONE TEMP LIGHT EXTINGUISHED. QRH WAS ACCOMPLISHED AND MASTER CONTROL WAS NOTIFIED. ACFT GROUNDED. ZONE TEMP CONTROLLER 2 FAULTED BACKUP ZONE CABIN SENSOR. CLEARED FAULT, CLEANED AFT CABIN SENSOR. NO FAULT ON RECALL. OPS NORMAL REF MM 21-61-06.
AFT CABIN ZONE TEMP LIGHT ILLUMINATED DURING MASTER CAUTION RECALL DURING LANDING CHECK . EXTINGUISHES DURING MASTER CAUTION RESET. ACFT GROUNDED. BITE CHECKED BOTH ZONE TEMP CONTROLLERS IAW MM 21-61-00. FOUND NR 2 ZONE TEMP CONTROLLER FAULTED BACKUP CABIN SENSOR, CLEARED FAULT. CHECKED AND FAULT DID NOT REPEAT. OPS CHECKED NORMAL.
NUMEROUS F/A COMPLAINTS OF HOT CABIN WITH NORMAL TO COOL TEMPS SELECTED. AT ONE POINT HAD 30 DEG C AIR IN SUPPLY DUCT (FWD) WITH TEMP SELECTOR SET ALMOST TO C WAS ACCOMPANIED BY BURNING RUBBER ODOR. WHEN CONT CABIN SELECTOR SET TO OFF, TEMP COOLED AND ODOR DISSIPATED. ACFT GROUNDED. PERFORMED A PACK/ZONE TEMP CONTROLLER BITE CHECK IAW AMM 21-61-00-700-806. NO FAULTS FOR THE RT OR LT PACKS. RAN BOTH PACKS USING APU BLEED AIR AND SELECTED SEVERAL TEMP SETTINGS. SUPPLY DUCT (FWD AND AFT) INDICATED CORRECTLY. TESTED CABIN TEMP CONTROL AND INDICATIONS IAW AMM 21-61-00-700-807. ALL NORMAL OPERATIONS. THERE IS NO MAINT HISTORY WITHIN THE PAST 30 DAYS. ACCOMPLISHED CABIN ODOR CONDITIONAL INSPECTION AND TROUBLE SHOOTING IAW FIM 05-51 TASK 814. NO ODORS DETECTED AND NO HISTORY WITHIN THE PAST 15 DAYS.
MAP FLAG DISPLAYED ON PREFLIGHT. ACFT GROUNDED. MAP FLAG ON RT SIDE. PERFORMED FIM 34-61, TASK 836. FMC INDICATIONS NORMAL. OPS NORMAL.
NO SATCOM AVAILABLE ON MCDU MENU PAGE, IN FLIGHT. ACFT GROUNDED. PERFORMED FIM TASK 23-15-801. CIRCUIT BREAKER CYCLED. SATCOM RESTARTED.
LEFT MCDU BLANKED TWICE IN FLT AT FL340. MCDU RECOVERED WITHIN 2-5 SEC BOTH TIMES. DURING BOTH RECOVERIES MULTICOLORED BITE SCREEN APPEARED BEFORE RECOVERY. BOTH MCDU BLANKING INCIDENTS WERE DURING LEVEL CRUISE FLT WITH NO BUTTON PUSHES OR WAY POINT SEQUENCING AT TIME OF BLANKING. ACFT GROUNDED. CLEANED LT MCDU IAW TASK 34-61-01-100-801. PERFORMED FIM 34-61-01-100-8. NO FAULTS NOTED. NO HISTORY IN 30 DAYS.
FOUND NR 1 ENGINE WITH FAULT MESSAGE 74-31001. THE INPUT VOLTAGE FOR THE RT EXCITER IS ALWAYS ON. ACFT GROUNDED. OPEN
SATCOM PROMPT NOT AVAILABLE. ACFT GROUNDED. PULLED & RESET SATCOM CIRCUIT BREAKER. SATCOM SYSTEM OPS CHECKED GOOD IAW MM 23-15-00.
SATCOM LOCKED UP ON GROUND. ACFT GROUNDED. QRH PROCEDURE PERFORMED. OPS RESTORED NORMAL.
SATCOM NOT PRESENT IN FLIGHT. ACFT GROUNDED. ON GROUND, PERFORMED QRH SATCOM LOCKED UP PROCEDURE, SAT REAPPEARED ON MEMU PAGE.
CONTROL CABIN ZONE TEMP LIGHT ILLUMINATED DURING RECALL. ACFT GROUNDED. PERFORMED SUCCESSFUL ZONE TEMP CONTROLLER BITE TEST IAW AMM 21-61-00-700-806-002. NO HARD FAULTS FOUND AND NO MAINTENANCE HISTORY FOUND FOR THE PAST 30 DAYS.
NO SATCOM PROMPT ON MENU. ACFT GROUNDED. RESET SATCOM C/B TO RESTORE SATCOM PROMPT ON MENU.
NO SATCOM MENU DISPLAYED ON ACARS MENU PAGE. DISPATCH WAS UNABLE TO CONTACT THE ACFT THROUGH THE SATCOM SYSTEM. ACFT GROUNDED. VERIFIED NO SATCOM PROMPT. ACCOMPLISHED FIM TASK 23-15 TASK 801. PROMPT REAPPEARS. GROUND VERIFICATION GOOD.
UNABLE TO COOL AFT CABIN SUFFICIENTLY WITH BOTH FWD CABIN, AFT CABIN TEMP SELECTORS IN FULL COLD POSITIONS. ON GROUND SUPPLY DUCT TEMP FWD AFT 28C IN FLT 20C ALL INDICATIONS NORMAL NO ASSOCIATED LIGHTS LT PACK, TEMP 6C, RT PACK TEMP 40C THROUGHOUT FLIGHT. ACFT R & R RT ACM IAW MM 21-51-04. NEW ACM WILL NOT RUN. R & R ACM AGAIN IAW MM 21-51-04 AND STILL WILL NOT RUN, SWAPED TEMP CONTROLLERS & RT PACK OPS NORMAL & LT PACK NOW HAS SAME ISSUE. PROBLEM FOLLOWED THE CONTROLLER, SWAPPED CONTROLLERS BACK. REMOVED AND INSTALLED NEW NR 2 ZONE TEMP CONTROLLER REF 21-61-20-000-801. PERFORMED INSTALL TEST IAW SAME SYS CKS NORMAL. NO FAULTS LOGGED.
NR 2 ENGINE EGT LOGGED ECONOMIC FAULT CODE 77-20862. BOTTOM LT EGT SIGNAL, T495S3, IS OUT OF RANGE. ACFT GROUNDED.
FMC DISAGREE LIGHT ILLUMINATED ON TAXIOUT. ACFT GROUNDED. QRH PROCEDURE COMPLETED AND LIGHT EXTINGUISHED.
SAT SELECTION MISSING ON MCDU MENU PAGE. ACFT GROUNDED. QRH PROCEDURE FOLLOWED, SAT SELECTION RESTORED.
CONT CABIN - ZONE TEMP LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED. R & R CONT CABIN - ZONE TRIM AIR MODULATING VALVE IAW AMM 21-61-21-400-801, OPS CHECKED NORMAL.
DIAGNOSTICS REPORTED NR 2 ENGINE TREND DATA SHOWS A SHIFT IN DELTA CRUISE AND TAKEOFF MARGIN INDICATIVE OF EGT INDICATION ERRORS. ACFT GROUNDED. FOUND T49.5 SENSORS S1 & S4 OUT OF LIMITS. REPLACED IAW 77-21-01, 77-21-01. GROUND VERIFICATION SUCCESSFUL.
NO SATCOM PROMPT. ACFT GROUNDED. SATCOM CIRCUIT BREAKER RESET PROCEDURE ACCOMPLISHED. SATISFACTORY IAW QRH.
ON RECALL, CONTROLLER, CABIN ZONE TEMP LT ILLUMINATED, IAW QRH. LIGHT EXTINGUISHED WHEN MASTER CAUTION SYSTEM IS RESET. ACFT GROUNDED. REF FIM 21-62 TASK 832 AND PACK/ ZONE W TEMP CONTROLLER BITE REF FIM 21-62, TASK 801. ACCOMPLISH TEMP CONTROLLER BITE. CONTROLLER SHOWS NR 2 CONTROLL FLT DECK TRIM VALVE FAULT. REPLACED FLT DECK TRIM VALVE IAW AMM 21-61-21-000-801 AND AMM 21-61-21-400-801.
SAT PROMPT NOT AVAILABLE ON MENU PAGE. ACFT GROUNDED. QRC PROCEDURE FOLLOWED & SAT PROMPT DID COME ON. OPS NORMAL.
NR 2 ENGINE SHOWS RECENT FAULT, FC 77-20872, TOP LT EGT SIGNAL. ACFT GROUNDED.
AUTO PRESSURIZATION FAILED ON DESCENT. ALT WORKED FINE. ACFT GROUNDED. REPLACED NR 2 CABIN PRESSURE CONTROLLER AND OPS CHECKS GOOD IAW AMM 21-31-01-02B.
EXTERIOR EMERGENCY EXIT LIGHT AFT OF OVERWING EXIT ON LT SIDE INOPERATIVE. ACFT GROUNDED. RELAMPED EXTERIOR EMERGENCY EXIT LIGHT AFT OF LT AFT OVER WING HATCH AND OPS CHECKS GOOD IAW AMM 33-51-04-960-801.
NR 1 CABIN PRESSURE CONTROLLER WILL NOT POWER UP. ACFT GROUNDED. REMOVED NR 1 PRESSURE CONTROLLER IAW AMM 21-31-01-000-801, INSTALLED NR 1 PRESSURE CONTROLLER, NR 1 IAW 21-31-01-400-801, OPS CHECK GOOD IAW ETOPS AMM 21-31-00-700-802.
L1 EMERGENCY EXIT LIGHTS INOPERATIVE. ACFT GROUNDED. TROUBLESHOT IAW FIM TASK 33-50 TASK 801. R & R EMERGENCY EXIT LIGHT POWER SUPPLIES, MIG 74 & MIG 75 IAW AMM 33-51-06-960-806. OPS CHECKS GOOD.
R1 DOOR EMERGENCY EXIT LIGHTS INOPERATIVE. ACFT GROUNDED. TROUBLESHOT IAW FIM TASK 33-50 TASK 801. R & R EMERGENCY EXIT LIGHT POWER SUPPLIES, MIG 74 & MIG 75 IAW AMM 33-51-06-960-806. OPS CHECKS GOOD.
FAULT CODES DISPLAYED ON NR 2 ENGINE WHEN TESTED. ACFT GROUNDED. CLEANED TOP RT AND TOP LT EGT PROBE CONNECTORS IAW AMM 77-21-01-000-801-FOO. SYS CHECKS GOOD IAW FIM 77-21-00-810-804 AND 77-21-00-810-804, PG 5, STEP F.
CORROSION AROUND NUTPLATES ON TRANSITION PANEL FS 727F-727E S26L. ACFT GROUNDED. REMOVED CORROSION AROUND NUTPLATES ON TRANSITIONAL FROM STA 727 TO STA 727E, S26K. ORIGINAL THICKNESS IS .040, REMAINING THICKNESS IS .022. REMOVED .018. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53. REPAIRED DAMAGED TRANSITION PANEL IAW SRM 53-00-53 ALODINED & PRIMED IAW SRM 51-20-01. DISPLACED AND REINSTALLED FLOOR PANEL 140EF IAW AMM 25-52-10.
MAIN CABIN BS 727B, LBL 24.75, SEAT TRACK FLANGE HAS A CRACK INDICATION. ACFT GROUNDED. REPAIRED SEAT TRACK IAW EA SB737-53-1296-NG-101, REV NEW AND REO-G16958, REV A.
MAIN CABIN BS 727B, RBL 45.50, SEAT TRACK FLANGE HAS A CRACK INDICATION. ACFT GROUNDED. REPAIRED SEAT TRACK IAW EA SB737-53-1296-NG-101, REV NEW AND REO-G16958, REV A.
MAIN CABIN BS 727B, RBL 45.50, SEAT TRACK FLANGE HAS A CRACK INDICATION. ACFT GROUNDED. REPAIRED SEAT TRACK IAW EA SB737-53-1296-NG-101, REV NEW AND REO-G16958, REV A.
MAIN CABIN INTERCOSTAL CRACKED BETWEEN BS 314-328, 46L. ACFT GROUNDED. REMOVED OLD INTERCOSTAL IAW SRM 51-40-02, LOCATED & DRILLED NEW INTERCOSTAL IAW SRM 51-40-05 & DWG 141A5400SHT26. INSTALLED NEW INTERCOSTAL IAW SRM 51-40-02 & DWG 141AS5400, SHT 26.
FUSELAGE SKIN UNDER AFT CARGO BAY SCUFF PLATE HAS SURFACE CORROSION BS 790 - 840. ACFT GROUNDED. REMOVED CORROSION AND FOUND TO BE WITHIN LIMITS IAW SRM 53-00-01-1A-1. TREATED AREA IAW SRM 51-20-01.
AFTER TAKE OFF THROUGH CLIMB AND CRUISE, LT - DUCT PRESSURE READ 6 PSI AND RT - DUCT PRESSURE WAS 45 PSI. 2.5 HOURS INTO FLT, LT - DUCT PRESSURE CAME UP TO READ EVEN WITH RT SIDE. AFTER 10 MINUTES PRESSURE SPLIT REOCCURED AT CRUISE 32,000 FT WITH LT -DUCT AT 22 AND RT AT 48 PSI. ACFT GROUNDED. PERFORMED FIM TASK 36-10 TASK 808 - PRESSURE INDICATIONS NORMAL. PERFORMED ASA TASK 36-00-00-860-807 - ALL CHECKED NORMAL. WHILE COMPLETING MAINTENANCE INSPECTIONS FOUND CONNECTOR PLUG DP 1102 DISCONNECTED FROM NR 1 ENG BLEED AIR REGULATOR. RECONNECTED CONNECTOR PLUG DP 1102 AND OPERATED ENGINE, BLEED AIR PRESSURE IN LIMITS AT IDLE SPEED.
F/O MCDU RESTARTS ON AND OFF. ACFT GROUNDED. COULD NOT DUPLICATE THE DEFECT FOUND NO FAULTS. NO HISTORY PAST 30 DAYS.
BLEED AIR DUCT DIFFERENTIAL, 23 LT, 21 PSI, RT 44 PSI AT FL 360. ACFT GROUNDED.
NR 2 ENGINE SHOWS RECENT FC 77-20872, THE TOP LT EGT SIGNAL, T495S4, IS OUT OF RANGE, ECONOMIC FAULT. ACFT GROUNDED.
RT PACK LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED.
RIGHT PACK LIGHT ILLUMINATED DURING APROACH. ACFT GROUNDED. ACCOMPLISHED TASK 21-61-00-806-002. WHEN BIT BUTTON WAS PRESSED ON CONTROLLER NR 2 THE RAM AIR ACT LIGHT CAME ON. DURING VERIFY THE TRIM VALVE ZONE WAS ON. RESET, RAN BITE AGAIN AND FAULTS CLEARED.
POSSIBLE CRACK IN LT HORIZONTAL LOWER SURFACE STAB STA 111-8 AFT OF DRAIN HOLE, MIG-2C 297116 INITIATED. ACFT GROUNDED. CONFIRMED CRACK HFEC REF BNDT 51-00-00, FIG 23. REMOVED LT HORIZONTAL STAB. L/E FOR ACCESS REF AMM 27-41-21-000-801. REMOVED EXISTING FASTENERS ON RIBS, CYT DAMAGE SRM 55-10-01-2R-11, EDGES OF CUT NEED TO BE CLEANED UP. REPAIRED REF SRM 55-10-01-2R-11.
IAS/MACH INDICATOR GOES BLANK WHEN IN VNAV MODE. REMAINS ILLUMINATED OTHERWISE. ACFT GROUNDED. PERFORMED INSTALLATION TEST OF MODE CENTRAL PANEL IAW AMM TASK 22-11-34-740-801. ALL TESTS PASS. PERFORMED DFCS FAULT REVIEW IAW FIM 22-11, TASK 801, BITE GRP NR 20, NO FAULTS. NO PREVIOUS HISTORY LAST 30 DAYS. PERFORMED ADDITIONAL MINIMUM TESTS TO MAINTAIN CAT STATUS AS FOLLOWS DFCS LRU INTERFACE TEST FOR MCP, BITE GP32, IAW AMM REF 22-11-34/501, LAND VERIFY TEST IAW AMM REF 22-11-00/201, BITE GRP49 AND HGS SENSOR TEST FOR FCC/AT IAW SMM REF 34-36-00, ALL TEST PASS. ACFT REMAINS AUTOLAND AND HGS QUALIFIED, SCREW REFLECTS SAME.
FOUND FAULT CODE MESSAGE NR 77-20862. BOTTOM LT EGT SIGNAL OUT OF RANGE, NR 2 ENGINE. ACFT GROUNDED. ACCOMPLISHED AMM TSCK 73-21-00-740-803-F00 EEC BITE TEST. NO FAULT CODE MESSAGE 77-20862 PRESENT.
LT ENGINE EXTERNAL HARNESS GV FOUND CONNECTOR DP1202 BACKSHELL BROKEN. ACFT GROUNDED. REPLACED MW0312 HARNESS ON LT SIDE OF NR 1 ENG IAW MM 71-51-03-400-801-F00. PERFOMED ADDL TESTS, ACTUATORS TEST IAW MM 71-00-00-700-807-F00, DRY MOTOR LEAK TEST IAW MM 71-00-00-810-F00, ENG RUN, EEC BITE CK IAW MM 71-00-00-808-F00, IDLE POWER LEAK CK IAW MM 71-00-00-801-F00, & PNEUMATIC LEAK CHECK IAW MM 71-00-00-700-809-F00. ALL OPS NORMAL.
RIGHT PACK LIGHT ILLUMINATED WITH MASTER CAUTION RECALL EXTINGUISHED WITH MASTER CAUTION RESET. ACFT GROUNDED. ACCOMPLISHED BITE CHECK OF THE PACK/ZONE TEMP CONTROLLERS & FOUND RAM AIR DOOR ACTUATOR. FAULT CLEARED ON BITE RESET. RAN PACKS & GROUND VERIFIED GOOD ON RAM AIR DOOR ACTUATOR REF FIM 21-62-00, TASK 801.
APU DETECTOR INOPERATIVE INDICATOR STAYS ILLUMINATED. ACFT GROUNDED. RESET APU DETECTION CIRCUIT BREAKER. R & R TAILPIPE OVERHEAT DETECTOR ASSY OPS NORMAL. GROUND VERIFICATION GOOD.
RT SIDE OVERHEAT LIGHT ILLUMINATED. FOLLOWED QRH & LIGHT REILLUMINATED. ACFT GROUNDED. FOUND BROKEN WIRE ON NR 2 SLIDING WINDOW, FWD CORNER. REPLACED NR 2 SLIDING WINDOW IAW AMM 56-12-11. PERFORMED OPS TEST IAW AMM 56-12-11 & 30-41-00, OPS CHECK GOOD. PERFORMED WHCU BITE PROCEDURE IAW FIM TASK 30-41, TASK 801, OPS CHECK GOOD.
FAULT CODE ON EEC BITE TEST OF NR 2 ENGINE. FAULT CODE 77-10852, BOTTOM RT EGT SIGNAL T495S2 IS OUT OF RANGE. ACFT GROUNDED. TESTED FMC CDU FOR FAULTS IAW MM 73-21-00. SYS OP CHECKED GOOD. NO DEFECTS NOTED.
INFLIGHT, RECEIVED AN FMC DISAGREE WARNING ON BOTH CAPT AND F/O EHSI. ACFT GROUNDED. ACCOMP FIM TASK 34-61-835 TASK, OPS RESTORED CKS OK.
APU OIL FILTER INDICATOR EXTENDED. ACFT GROUNDED. INSPECTED CHIP DETECTOR. NO CONTAMINATION NOTED. R & R APU OIL FILTER AND FILTER INDICATOR. FILTER CLEAN. RAN APU. NO LEAKS NOTED. REF MM 49-91-12-400-802.
CAPTAINS MCP COURSE SELECTOR NOT FUNCTIONING PROPERLY. ACFT GROUNDED. R & R DFCS MODE CONT PANEL IAW 22-11-34. SYS OPS CKS NORMAL IAW SAME, DFCS BITE GRP NR 35 & 49 GO HGS SENSOR TEST IAW 34-36-00 PASS.
ON CLIMBOUT, AUTOPILOT NR 1 CMDA DISENGAGED. RECONNECTED AND IT WORKED NORMALLY FOR THE REST OF FLIGHT. THREE INFLIGHT FAULTS FOR VNAV/LNAV INCORRECT DATA. PERFORMED LWMP TESTS REF FIM 22-11/801 BITE GRP NR 20 AMM 22-11-00/201 BITE GRPNR 49 LAND VERIFY AND MM 34-36-00 HGS SYS, TEST- ALL PASS. GROUND VERIFICATION OPS NORMAL. ACFT REMAINS CAT 3 A AUTOLAND/HGS QUALIFIED, PLACARD SCREW VERIFIED SAME.
NR 2 ENG, FAN DISK SLOTS 2, 7, 9, 13 & 20 ARE WORN FROM BUCKLED SHIMS. GREATEST FOUND TO BE .0095. COATING WORN ON ALL SHIMS. REAR SPINNER IS NICKED AT SURFACE AREA D. PLATFORMS NR 4,10 & 24 ARE NICKED ON FWD LUG. FAN BLADES NR 1,4 & 21 ARE FROM SHIM CONTACT, L/E CONCAVE SIDE. ACFT GROUNDED. REMOVED NR 2 ENGINE IAW T/C 78471000. REPLACED NR 2 ENG IAW TASK CARD 78471001, W/O 205732.
NR 2 ENG SPAR VALVE CIRCUIT BREAKER IS OUT. ACCOMPLISHED CIRCUIT BREAKER RESET PROCEDURE REF MM 20-60-01, NO DEFECTS NOTED. ACCOMPLISHED NR 2 ENGINE FUEL SPAR VALVE ELECTRICAL CONTROL AND INDICATION TEST REF MM 28-22-00-710-801 PARA 4.C.1-2 (N). ALL VOLTAGE AND RESISTANCE WITHIN LIMITS. PERFORMED INDICATION TEST OF OF NR 2 ENG SPAR VALVE REF AMM 28-22-00-710-801, STEP 4.C. (4). NO DEFECTS NOTED. NO HISTORY 60 DAYS.
APU OIL FILTER INDICATOR EXTENDED. R & R OIL FILTER ELEMENT, SERVICED APU, REF AMM 49-91-13-600-801. LEAK CK GOOD.
BLEED TRIP OFF ILLUMINATED ON LT SIDE AS THROTTLES BROUGHT BACK TO IDLE TOP OF DESCENT. ACCOMPLISHED FIM 36-10, TASK 801 & ENG BLEED AIR SYS HEALTH CHECK. FOUND HIGH STAGE VALVE & PRECOOLER CONTROL VALVE FAULTS. R & R HIGH STAGE VALVE REF MM 36-11-06 & PRE COOLER CONTROL VALVE REF MM 36-12-02. GROUND VERIFICATION SUCCESSFUL.
NR 1 ENGINE TREND DATA SHOWS A SUDDEN INCREASE IN LOW PRESSURE ROTOR VIBRATION LEVELS. CHECKED INLET AND EXHAUST FOR EVIDENCE OF FOD IAW MM 71-00-00-800-802. ACCOMPLISHED NR 1 ENGINE FAN LUBE IAW TASK CARD 78472002. INSPECTED ALL PLATFORM SEALS AND HARDWARE FOR IRREGULARITIES. REPLACED ALL SHIMS NO OTHER DEFECTS NOTED.
RT FMC FAILED. ACCOMPLISHED FMCS BITE INFLIGHT FAULT SHOWED FMC RT FAIL. R & R RT FMC IAW AMM 34-61-02, SYS GROUND FUNCTION TEST NORMAL.
NR 1 ENGINE IDG DELTA P INDICATOR POPPED. ACCOMPLISHED FIM TASK 24-11 TASK 803. R & R THE NR 1 IDG IAW AMM 24-11-11. FLUSHED THE OIL CIRCUIT IAW AMM 12-13-21. OPS CHECK OF THE IDG WAS GOOD IAW 24-11-00.
ELECRICAL LIGHT ILLUMINATED AFTER ENGINE START. PERFORMED GROUND VERIFICATION TEST TEST PASSED PERFORM BITE PROCEDURE ALL FAULTS CLEARED. ACFT OK FOR CONTINUE SERVICE. NO HISTORY REF FIM TASK 24-31-801.
FMC DISAGREE MESSAGE RECEIVED ON TAXI OUT. ACCOMPLISHED QRH PROCEDURE. CLEARED WARNING MESSAGE.
NR 1 ENGINE ANTI-ICE COWL VALVE OPEN LIGHT BRIGHT BLUE WITH SWITCH ON. REPLACED NR 1 ENGINE COWL ANTI-ICE VALVE REF MM 30-21-11 VALVE, OPS CHECKED GOOD & LEAK CHECKED GOOD.
PWS FAIL LIGHT ILLUMINATED. WEATHER RADAR HAS VERTICAL SPIKES PAINTED. TILT APPEARS OFF. REPLACED WEATHER RADAR TRANSCEIVER. OPS CHECKED GOOD IAW MM 34-43-00-710-802-001.
AMBER LIGHT ILLUMINATED ON AC/DC PANEL. PERFORMED BITE TEST SPCU INOPERATIVE, ERROR CODE INDICATED. CLEARED FAULT, FAULT LIGHT EXTINGUISHED. INTERMITTENT FAULT. REF FIM 24-31-00. ACFT OK FOR SERVICE. OPS NORMAL.
LEFT FMC FAILED. REMOVED AND REPLACED THE LT FMC. CROSSLOADED SOFTWARE FROM RT FMC. FMC OPS NORMAL.
PWS FAIL LIGHT ILLUMINATED. REMOVED RADAR RT 34-43-41-000-801. INSTALLED RADAR RT 34-43-41-400-801. PERFORMED INSTALLATION TEST REF 34-43-41 STEP F. SYS CKS NML.
NR 1 ENGINE IDG DELTA P POPPED. ACFT GROUNDED. ACCOMPLISHED IDG DIFFERENTIAL PRESSURE INDICATOR FAULT ISOLATION TASK IAW FIM TASK 24-11-00. OPS CHECK GOOD.
APU FAULT LIGHT ILLUMINATED. TWO RESTARTS WERE ATTEMPTED AFTER FIVE MINUTE INTERVALS IAW ATTEMPT. AFTER EACH ATTEMPT WITH APU SWITCH OFF, FAULT LIGHT EVENTUALLY EXTINGUISHES. R & R MAIN & AUXILIARY BATTERIES. ACCOMPLISHED OPC CHECK OF MAIN AUXILIARY BATTERIES. MAIN & AUX BATTERIES, OPS CHECKED GOOD IAW AMM 24-31-11-000-802-002 & 24-31-11-400-802-002. AFTER MAIN & AUX BATTERY CHANGE APU WILL NOT START, WITH FAULT LIGHT. APU FAULT 49-61223 CURRENT, AIR TEMP SENSOR SHORT CIRCUIT. PERFORMED FIM 49-60. FOUND INLET TEMP SENSOR INOPERATIVE. REMOVED /INSTALLED TEMP SENSOR REF 49-61-341-000-801/400-801. RETURNED ACFT TO NORMAL. PERFORMED APU OPS CK IAW 49-11-00-710-801. SYS CKS NORMAL.
NR 1 ENG IDG FILTER INDICATOR EXTENDED. ACFT GROUNDED. REPLACED IDG NR 1 SCAVENGE AND CHARGE FILTERS, PLACARD. LEAK CHECKED GOOD. REF AMM 24-11-41.
AFTER 3 HRS OF FLIGHT A AUTOPILOT DISENGAGED SMOOTH AIR. RE-ENGAGED AND WORKED NORMALLY FOR DURATION OF FLIGHT. ACFT GROUNDED. DFCS A LOGGED MSG 22-11-607 MCP DATA INVALID. FOLLOWED FIM 22-11, TASK 817. ALL TEST PASSED. ACCOMPLISHED LWMP CHECKS REF CHECKLIST MM 22-00-01, NO FAULTS.
FMC DISAGREE LIGHT ILLUMINATED ON TAXI. ACFT GROUNDED. ACCOMPLISHED FMC RESET PROCEDURE IAW FIM 34-61-00-810-835, NO FAULTS NOTED.
WHILE PERFORMING TC 78273000, FOUND FUEL CONTROL 73-10321, HMU FMV CONTROL CURRENT IS OUT OF RANGE. SHORT TIME FAULT NR 1 ENG. ACFT GROUNDED. REPLACED NR 1 ENG EEC IAW AMM 73-21-60-000-801 F00 AND 73-21-60-400-801 F00. PERFORMED TESTS LISTED IN THE POWER PLANT TEST REF TABLE (TASK 71-00-00-800-811 F00) FOR EEC. ALL TESTS INCLUDED IN THE FADEC SYS TEST PASSED REF MM 73-21-00-700-802, F00.
PERFORMED T/C 7827300 ON NR 2 AND NR 1 ENGINES NR 1 ENGINE HAD FAULT CODE 73-10321. THE HMU FUEL METERING VALVE CONTROL CURRENT IS OUT OF RANGE. PERFORMED EEC TEST PER FIM 73-25-00-810-801-F00, FAULT NO LONGER ACTIVE EEC TEST PASSES FOR NR 1 ENGINE.
NR 1 ENGINE IDG BE REPLACED FOR HISTORY OF OIL CONSUMPTION. REMOVED AND REPLACED NR 1 ENG IDG REF MM 24-11-12.
AIRSPEED KNOB WORKS INTERMITTENTLY. REMOVED AND REPLACED DFCS MODE CONTROL PANEL REF MM 22 11 34. INSTALLATION TEST PASSED.
PERFORMED TASK CARD 78273000 ENG FMC CDU FAULT FOUND MAINT MSG 76 31361 START LEVER SIGNALS DISAGREE NR 1 ENG. AT 50 HOUR RE CHECK NO FAULTS WERE FOUND. PERFORMED T/S FOR FAULT 76 31361 PER FIM 76 11 00 810 801 F00 ACCOMPLISHED INITIAL EVALUATION SEVERAL TIMES NO FAULTS NOTED. PERFORMED EEC DISCRETES TEST PER MM 73 21 00 700 809 F00 ALL TESTS PASS.
ACCOMPLISHED TASK CARD 78349013 "APU OIL FILTER DELTA P INDICATOR" FOUND BYPASS BUTTON POPPED. REQUIRES OIL FILTER INDICATOR SERVICING REF AMM 49 91 13 600 801. ACCOMPLISHED AMM 49 91 13 OIL FILTER INDICATOR SERVICING. FILTER ELEMENT REPLACED NO CONTAMINATION FOUND. INSPECTED MAGNETIC DRAIN PLUG FOUND NO CONTAMINATION. OPERATED APU FOUND OIL FILTER DPI POPPED AGAIN REPLACED APU OIL FILTER DPI. OPERATED APU OPS NORMAL. REF AMM 19 91 13.
INFO ONLY FMC DISAGREE MESSAGE ON GRD. ACCOMPLISHED QRH. OPS NORMAL.
NR 1 ENG REAR SPINNER CONE AFT EDGE (AT FAN BLADE NR 11) HAS DAMAGE ALONG INTERFACE WITH BLADE PLATFORM (MARKED). REMOVED AND REPLACED NR 1 ENGINE REAR SPINNER CONE REF B737NG AMM 71 21 01.
FMC DISAGREE ON GROUND. ACCOMPLISHED QRH PROCEDURE. NORMAL OPERATION RESTORED.
NR 1 ENG FAN DUCT PANEL AT 4:00 POS (UPPER CTR BOLT) AND 10:00 POS (LWR AFT BOLT) FASTENERS LOOSE. (FINDING DURING C/W T/C 78472000) RE-TORQUED BOLT AT 4:00 POS (UPPER CTR BOLT) RE-TORQUED BOLT AT 10:00 POS (LWR AFT BOLT) REF M/M 72 23 07, OK FOR SVC.
AFTER START CHECKLIST DURING RECALL GOT "CONT CAB" "ZONE TEMP" LIGHT. DOES RESET WITH MASTER CAUTION. BITE CHECK GOOD REF AMM 21 61 00. SYSTEM VERIFIED WORKING.
LEFT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED, FOLLOWED QRH PROCEDURES. TURNED WINDOW HEAT ON, LIGHT ILLUMINATED AGAIN. CONTINUED FLIGHT WITH WINDOW HEAT OFF. ACCOM WINDOW HEAT CNTRL UNIT BITE TEST PER FIM TASK 30 31 00 810 801. FOUND FLT P5 9/ CNTRL POWER LOGGED ON CNTRLR. REPLACED L WHCU. NO HELP. REPLACED WINDOW NR 2 REF AMM 56 12 11 000. OPS CHECK GOOD. PERF WINDOW HEAT SYS OP TEST REF AMM 30 41 00 710 AND WINDOW HEAT CONTROL UNIT SYS TEST REF AMM 30 41 11 710, OPS CHECK GOOD.
LEFT BLEED TRIP OFF LIGHT ILLUMINATED ON DESCENT. WOULD NOT RESET. COMPLETED FIM 36 10 00 810 801 A THRU E(2). BLEED TRIP RESET SUCCESSFUL ON GROUND. CREW STATED DESCENT FROM 38 000 FEET LEFT PACK TRIPPED WAITED 1:30 MIN TRIED TO RESET NO GOOD. DUCT PRESSURE AT 30 PSI. ACCOMPLISHED NR 1 ENGINE BLEED AIR SYSTEM HEALTH CHECK MM 36 11 00 700 801 NO DISCREPANCIES FOUND. ACCOMPLISHED PRECOOLER CONTROL VALVE SYSTEM HEALTH CHECK MM 36 12 00 700 801. PCCV FAILS STEP G(5). REPLACED PCCV MM 36 12 02. NEW PCCV BENCH TESTED GOOD PRIOR TO INSTALL. SUSPECT CREW TO LINE MAINT. REMARK TO BE IN REFERENCE TO QRH PROCEDURE 2.4 "BLEED TRIP RESET" IN WHICH LEFT PACK IS TURNED OFF AND 30 PSI RESTORED.
LT SIDE WINDOW OVHT LIGHT ILLUMINATED DURING PREFLIGHT. PERFORMED BITE CHECK OF LT SIDE WHCU. FOUND LT SIDE SENSOR FAULT. PERFORMED FIM TASK 30 41 00 810 811. ON LT SIDE WINDOW SWAPPED SENSOR TO SPARE SENSOR. SYSTEM OPS CHECK NORMAL PER AMM 30 41 00 710 801.
DURING CRUISE FLIGHT 4 HOURS AFTER TAKEOFF LEFT SIDE WINDOW HEAT AMBER OVERHEAT OCCURRED. QRH FOLLOWED. OVERHEAT CONDITION WOULD NOT RESET. PERFORMED WINDOW HEAT CONTROL UNIT BITE CHECK NO ACTIVE FAULTS FOUND. HISTORICAL FAULT LT SIDE WINDOW SENSOR SHOWN. CHANGED LT SIDE WINDOW HEAT COIL CORD AND OPS CHECKED PER AMM 30 41 00 710 801.
AFTER ENGINE START FMC DISAGREE LIGHT ON. PERFORMED QRH PROCEDURE FAULT CLEARED.
ON T/O ROLL PWS FAIL /WXR FAIL ILLUMINATED ON BOTH ND'S. REPLACED WEATHER RADAR RT UNIT REF MM 34 43 41 000 801 AND 400 801. GROUND VERIFIED CHECKED GOOD REF 34 13 00 710 802 0011.
ON T/O AT 500' PWS FAIL ILLUMINATED ON BOTH ND'S. DEBRIEFED CREW ALSO REPORTED THAT THE BLUE "ANT" LIGHT WAS ILLUMUNATED. "ANT" LIGHT DID GO OUT. REPLACED ANTENNA DRIVE UNIT REF MM 34 43 11, OPS CHECKS GOOD REF MM 34 43 00.
LEFT BLEED TRIP OFF LIGHT ILLUMINATED. QRH TRIP RESET PROCEDURE SUCCESSFUL. REPLACED NR 1 ENG HIGH STAGE REGULATOR PER MM 36 11 07, NO HELP. ACCOMPLISHED ENG BLEED AIR SYSTEM HEALTH CHECK ON NR 1 ENG PER MM 36 11 00. FOUND HIGH STAGE VALVE BAD. REPLACED NR 1 ENG HIGH STAGE VALVE PER MM 36 11 06. ACCOMPLISHED REPAIR CONFIRMATION PER MM 36 11 00 ENG BLEED AIR SYSTEM HEALTH CHECK GOOD.
NR 1 ENGINE IDG DPI IS POPPED. EXAMINED THE SCAVANGE/CHARGE FILTER CONDITION AND OIL CONDITION AND FOUND TO BE GOOD. DPI WAS RESET.
FMC DISAGREE ON GROUND IN SAN. ACCOMPLISHED QRH PROCEDURE. LIGHT EXTINGUISHED. OPS NORMAL.
AT FL 410 LEFT PACK "BLEED TRIP OFF" LIGHT CAME ON. RESET & LIGHT WENT OUT PER QRH. NORMAL PRESSURE RESTORED. FIVE MINUTES LATER LIGHT CAME BACK ON & AGAIN RESET & STAYED OUT. PRESSURE 30 PSI BOTH SIDES WERE THE SAME. REPLACED LT ENGINE BLEED AIR REGULATOR REF MM 36 11 03 OPS & LEAK CHECK.
LEFT CTR FUEL PUMP LT ILLUMINATED WITH PUMP ON AND FUEL IN CTR TANK. RESET LEFT CENTER BOOST PUMP C/B PER MM 20 60 01. NO FAULTS NOTED. GROUND VERIFICATION SUCCESSFUL.
WHILE ACCOMPLISHING TASK CARD 78273000 ENGINE NR 2 LOGGED SHORT TIME FAULT CODE 73 21272 (THE ALTERNATOR VOLTAGE INPUT TO THE EEC IS OUT OF RANGE.) PERFORMED FIM TASK 73 27 00 810 804 F00 ALTERNATOR VOLTAGE INPUT TO THE EEC IS OUT OF RANGE. AT STEP F3 FOUND CH B PIN 2 TO PIN 4 OUT OF RANGE. REPLACED NR 2 ENGINE EEC ALTERNATOR STATOR AND ALTERNATOR ROTOR ASSY'S REF M/M 73 21 08 OPS CHECK NORMAL. PERFORMED FCC BITE CHECK. NO FAULTS LOGGED AFTER ENGINE RUN.
ON TAXI OUT FMC DISAGREE LIGHT ILLUMINATED. ACCOMPLISHED QRH AND FMC DISAGREE LIGHT ON BOTH ND'S EXTINGUISHED.
ABORTED START NR 1 ENG ALL PARAMETERS NORMAL BUT NO EGT RISE. QRC AND QRH PROCEDURES ACCOMPLISHED. START ATTEMPTS WERE ON IGN R LT ENG STARTS NORMAL ON IGN L. SWAPPED POWER SUPPLIES TO LT ENG EXCITERS NO FIX NO AUDIBLE ON IGN R. RESTORED TO ORIGINAL REF 74 00 00. REPLACED LT ENG EEC REF 73 21 60. GOOD L AND R IGNITION. FADEC SYSTEM PASSED 73 21 00. PERFROMED ENGINE START ENGINE STARTS NORMALLY.
AT FL 300 AFTER USING WING ANTI ICE HAD A L BLEED TRIP LIGHT ILLUMINATE. PERFORMED QRH LIGHT EXTINGUISHED. ACCOMP FIM 36 10 00 810 801 STEPS F (1) (2) (B) AND STEPS F (3) (7) NO DEFECTS NOTED. PER TABLE ON PAGE 5 WTAI AT CRUISE CAN CAUSE BLEED TRIP.
WXR STAB LIGHT ILLUMINATED IN FLIGHT. NO FAULTS LOGGED. VERIFIED RADAR CONTROL PANEL SETTINGS. RADAR BITE CHECK OP CK & ANTENNA TILT CHECK NORMAL. REF MM 34 42 00 810 801 34 43 00 710 802 001 1 & 34 43 00 730 802 001 1.
FMC DISAGREE LIGHT ILLUMINATED DURING TAXI OUT. PERFORMED QRH PROCEDURE. OPS CHECK NORMAL.
CLOGGED FILTER INDICATION BUTTON POPPED OUT ON APU LUBE OIL FILTER. REPLACED CLOGGED FILTER INDICATOR FILTER BOWL BOTH OIL FILTER NO MATERIAL OR DEBRIS IN FILTER OR ON MAGNETIC CHIP DECTOR OPS AND LEAK CK OK REF AMM 49 91 13 600 801, OK FOR SERVICE.
NR 2 ENG GENERATOR DRIVE LIGHT IS NOT ILLUMINATED BULB TESTS GOOD. UNABLE TO DUPLICATE RESISTANCE CHECKED AT DP1206 PRESSURE SW NO DEFECT NOTED REF WDM 24 11 21. RAN ENG DRIVE LIGHT, OPS NORMAL.
TR 3 CIRCUIT BREAKER OUT. FOUND TR 3 DC IND C/B ON P 5 OUT. ACCOMPLISHED C/B RESET PROCEDURE REF AMM 20 60 01. GROUND OPS VERIFICATION CHECKS GOOD REF AMM 24 32 11.
A "FMC DISAGREE" WARNING IN BOTH CAPT'S AND F/O'S EHSI ON GRD WHILE TAXIING. TWO CIRCUIT BREAKERS WERE PULLED AND RESET (FMCS CMPTR 1 AND FMCS CMPTR 2 ) PER QRC CHECKLIST PROCEDURES. PULLING AND RESETTING CIRCUIT BREAKERS FIXED THE PROBLEM.
AUTOTHROTTLES ADDED POWER WHEN THEY SHOULD HAVE BEEN AT IDLE . THIS OCCURRED IN A VERTICAL SPEED DESCENT AND IN VNAV PATH. PERFORMED AUTOTHROTTLE OPS TEST PER M/M 22 31 00 710 801. NO FAULTS FOUND. NO HISTORY LAST 30 DAYS. OK FOR SERVICE.
GOT "SINGLE FMC OPERATION" MESSAGE FOLLOWED BY MAP AND VTK MESSAGES ON F/O DISPLAY. FOUND RIGHT FMC INOP. ACCOMPLISHED FIM 34 61 00 FMC OPERATION RETURNED TO NORMAL. ON SWITCHING TO AIRCRAFT GENERATOR FROM APU ELECTRIC POWER GOT "SINGLE FMC OPERATION " MESSAGE AND "MAP" AND "VTK" LIGHTS ON F/O DISPLAY. REPLACED RT FMC PER 34 61 02 400 801. OPS NORMAL.
CAPTAIN'S CDU WENT BLANK DURING TAXI OUT. REMOVED AND REPLACED CAPTAIN'S MCDU PER B737 800 AMM 34 61 000 802/400 802. OPERATIONAL CHECK GOOD.
RT FMC INOP. VTK SHOWS IN F/O'S DISPLAY. COULD NOT DUPLICATE. REF FIM: 34 61/801 RT FMC SENSOR CK OK AND INFLT FAULT BITE CK NML. ON RELATED FLT LEG FOUND RT FMC DATE FAULT & PGM FAULT AND NO ACTIVE FAULTS FOUND. RT FMC CK NML. NO VTX FLG. NO HISTORY 60 DAYS.
M CAUTION AIR COND ZONE TEMP LIGHTS (CONT CABIN) ON RECALL. ALL LIGHTS CLEAR WHEN RECALL IS RESET. COMPLIED WITH QRH. CONFIRMED NR 2 CTRLR SHOWS "FLT DECK TRIM VALVE" ON BIT & PREV FLT TESTS. VERIFY TEST PASS. RESET FAULT. FAULT DID NOT RETURN. INTERMITTENT FAULT. NO HISTORY 60 DAYS. REF FIM 21 62/T842. GND VERIFICATION CHECK GOOD.
FUEL CROSS FEED VALVE FAILED CLOSED.PERFORMED CROSSFEED VALVE OPERATIONAL TEST COULD NOT REPLICATE DEFECT REF AMM 28 22 21 710 801. NOTE: NO HISTORY WITHIN 1 YEAR OF ANY PROBLEMS WITH CORSSFEED VALVE.
ON GRD IN SAN FMC DISAGREE LIGHT CAME ON. RAN CHECKLIST LIGHT WENT OUT.
NR 2 ENGINE GENERATOR NO VOLTS NO FREQS. PERFORMED OPERATION TEST 24 11 00 IT PASSED. GROUND VERIFICATION OF NR 2 ENG GENERATOR OPS CHECK GOOD.
LEFT FORWARD OVERHEAT LIGHT (WINDOW HEAT) ILLUMINATED AT THE GATE. PERFORMED QRH PROCEDURE. OVERHEAT LIGHT RE-ILLUMINATED. FOUND C/B WINDOW HEAT PWR LEFT FRONT OPEN. CHECKED HISTORY. NO HISTORY. RESET C/B. REF CH 20 60 01. TESTED WINDOW HEAT REF MM 30 41 00 710 801. TESTS OK, NO FAULTS.
FOUND LUBE FILTER HOUSING ON APU FILTER INDICATOR POPPED. ACCOMPLISHED T/C 78349013 DELTA P INSPECTION ON W/O 92909. LUBE FILTER HOUSING INDICATOR RESET FILTER CHANGED REF MM 49 91 13. FOUND NO METAL PARTICLES.
WHILE ACCOMPLISHING T/C 78472040 CHIP DETECTOR INSPECTION FOUND REAR SUM MCD TO HAVE MAGNETIC PARTICLES. NR 2 ENG .163 INCH. UNABLE TO IDENTIFY MAGNETIC PARTICLES WITH THE LARGEST PARTICLE MEASURING .163 INCH. UNSATISFACTORY CONDITION PER AMM 79-00-00-200-804-F00 STEP F(8) (C). FLUSHED NR 2 ENG OIL SYS IAW MM 12-13-11-100-801. NO DEBRIS AFTER FIRST OIL DRAIN AND REFILL. ENG RUN NO LEAKS NOTED. PERFORMED 1ST INTERVAL INSPECTION OF NR 2 ENG . NO PARTICLES OR DEBRIS FOUND.
FUEL PACKAGE LEAKING AT DRAIN NR 2 ENGINE. ACFT GROUNDED. REMOVED AND REPLACED FUEL PUMP IAW AMM 73-11-01 PERFORMED OPERTIONAL TEST NR 12-2-13-3A IAW AMM 71-00-00 TEST OK
FOUND LEAKAGE FROM NR 1 ENG IDG MAGNETIC SEAL. REMOVED AND REPLACED NR 1 ENG IDG MAGNETIC SEAL PER AMM 72 60 00 400 801 F00 AND 72 60 00 000 801 F00. COMPLETED TEST 3B AMM 71 00 00 700 823 F00, LEAK CHECKS GOOD.
NR 1 DRIVE LIGHT NOT ILLUMINATED DURING PREFLIGHT WITHOUT ENGINES RUNNING. LIGHTS TEST OK. REMOVED AND REPLACED NR 1 IDG IAW AMM 24 11 11 400 801. NO METAL FOUND IN FILTERS. PERFORMED OPERATIONAL TEST FOR IDG NR 1 AND FOUND OPS NORMAL.
ON TAXI OUT NR 2 ENG N1 ON FMC TAKEOFF REF PAGE 1 SHOWED SPLIT N1 (L) 91.6 (R) 92.2 CYCLING NR 1 PACK EFFECTED CHANGE TO DISPLAYED NR 1 N1 CYCLING NR 2 PACK CAUSED NO CHANGES. REPLACED RIGHT PACK FLOW CONTROL AS PER AMM 21 51 01. LEAK CHECK GOOD. RAN ENGINE AT IDLE OPS CHECK GOOD IAW MM 21 51 01 400 802 002 AND FIM 34 61 00 730 801. GROUND VERIFICATION FMC DISCRETE COMPLETE.
NR 1 DRIVE LIGHT NOT ILLUMINATED INTERMITTENTLY TRIPS MASTER CAUTION ELEC WHEN IT GOES OUT. CHECK AND FOUND LOOSE CONNECTOR ON NR 1 IDG. CLEANED AND RE-SECURED CONNECTOR LIGHT OP'S CHECK NORMAL. ALSO RAN BITE CHECK ON NR 1 GCU, NO FAULTS NOTED.
LEFT SIDE FWD WINDOW HEAT SHOWS OVERHEAT. RESET DID NOT HELP. BITE TEST L FWD WINDOW HEAT CTRL SHOWS SENSOR FAULT SEL TO SPARE SENSOR, NO HELP. T/S TO OPEN PRI & SPARE SENSORS. REQ'S WINDOW CHANGE. REPLACED NR 1 WINDOW, OPS CHECK GOOD. OVERHEAT LIGHT DID NOT COME ON DURING TEST, REF MM 56 11 11 400 801.
F/O REPORTS OIL STREAKS ON NR 2 ENG COWL. FOUND NR 2 ENGINE OIL CAP ASSY LEAKING AT OIL TANK. REPLACED O-RING PACKING ON OIL CAP ASSY REF MM 79 11 01 300 802 F00. RAN NR 2 ENG REF MM 71 71 00 200 801 F00, NO LEAKS NOTED.
LT RAM AIR INLET DEFLECTOR DOOR OUT OF RIG. ADJUSTED LT RAM AIR INLET DEFECTOR DOOR, OPS CHECK GOOD REF MM 21 51 11 400 803.
STARTING APU THE "MAINT" LIGHT ILLUMINATED. PERFORM BITE CHECK OF APU. CODE 49 11019 PERFORMED FIM 49 10 00 MAINT MESSAGE DID NOT REOCCUR. APU MAINT LIGHT REMAINED OFF. PERFORMED G/I OF APU AND APU OIL QUANTITY ADDED 1.0 QT. NO LEAKS DETECTED. STARTED AND RAN APU 3 TIMES WITH PNEUMATIC AND ELECTRIC LOADS APPLIED APU, OPS CHECKS NORMAL.
RIGHT SIDE WINDOW OVERHEAT LIGHT ON. ACCOMP'D FIM TASK 30 41 811 PRI SENSOR OPEN. SWAPPED TO SPARE SENSOR. RIGHT SIDE WINDOW HT CHECKS OK REF SAME.
INFO ONLY: FMC DISAGREE ON GROUND PROCEDURE ACCOMPLISHED. ACCOMPLISHED FIM TASK 34 61 00 810 835. VERIFIED NO FMC FAULT MESSAGES PRESENT. NOTIFIED SEAMC MIG 51 S/N 37254 AND 37248 WAS USED.
AUTOLAND PERFORMED 'FLARE' NOT ANNUNCIATED AT 500 AFL. AUTOPILOTS DID NOT DISENGAGE AT 350 FEET. FLARE WAS ANNUNCIATED AT APPROX 100 FEET AND ACFT FLARED PROPERLY. FLT FAULT REVIEW / CURRENT STATUS LOGGED NO FAULTS. REF FIM TASK 22 11 TASK 801. LAND VERIFY TESTS PASS.
THE "A" AUTOPILOT DISENGAGES WHEN SELECTED IN COMMAND MODE (FAULT CODE 221-080-00). ACFT GROUNDED. REPLACED AUTOPILOT ELEVATOR ACTUATOR 'A' (M1020) IAW AMM 22-11-26 PAGE BLOCK 401. ACCOMPLISHED LEAKS CHECK AND AUTOPILOT ELEVATOR ACTUATOR TEST ARE GOOD.
LEFT IDG (DRIVE) LIGHT NOT ILLUMINATED WITH ENGINE SHUTDOWN. PERFORMED ENG IDLE RUN VOLTS & FREQS NORMAL, LEFT IDG DRIVE LIGHT REMAINED ON AFTER SHUTDOWN. UNABLE TO DUPLICATE, NO HISTORY 30 DAYS. GROUND VERIFICATION CHECK GOOD. OK FOR SERVICE.
FMC DISAGREE LIGHT ILLUMINATED. ACCOMPLISHED QRH CHECK LIGHT, RESET OPS NORMAL.
ON TAXI OUT GOT FMC DISAGREE INDICATION. PERFORMED STEPS IN QRH, OPERATION RESTORED TO NORMAL.
NR 1 ENG IDG DELTA 'P' INDICATOR POPPED. ACCOMPLISHED TASK 24 11 41 200 801 IDG SCAVENGE AND CHARGE FILTER INSP AND CHECK. FOUND BOTH FILTER CLEAN AND NO OIL DISCOLORATION OF OIL. DRAINED IDG AND REPLACED BOTH FILTERS PER TASK 24 11 41 400 801 TABLE 201 FIRST CONDITION. SERVICED IDG, OPS NORMAL.
APU FAULT LIGHT ILLUMINATED ON START AT GATE. FOUND FAULT CODE 49 61224. TROUBLESHOT TO FAULTY INLET TEMPERATURE SENSOR PER FIM TASK 49 60 00 813. REMOVED AND REPLACED APU INLET TEMPERATURE SENSOR IAW AMM 49 61 31 000 801. OPERATED APU. NO FAULTS NOTED.
IN CRUISE FLIGHT APU DET INOP CAME ON WITH ASSOCIATED MASTER CAUTION. IT WOULD LIGHT UP EVERY FEW SECONDS FOR A FEW SECONDS GO OUT THEN REPEAT, APU HAS NOT BEEN ON. ACCOMPLISHED APU FIRE DETECTION OPERATIONAL TEST AND ENG/APU FIRE DETECTION CONT MODULE (M279), BITE OPS NORMAL REF MM 26 15 00 710 801. REMOVED AND REPLACED ENG AND APU FIRE DETECTION MODULE, OPS NORMAL. REF MM 26 10 01 400 801 MM 26 11 00 710 801 AND MM 26 15 00 710 801.
MASTER CAUTION OVERHEAT/DET APU DET INOP APU FAULT LIGHTS FLASHED ON THEN OFF 5 DIFFERENT TIMES ON FOR 1 - 2 SECONDS. PERFORMED ENG/APU FIRE DET CONT MODULE BITE PROCEDURE FIM 26 10 00 810 801 BITE TEST PASSED OK. PERFORMED APU FIRE DET, OP TEST OK PER AMM 26 15 00 710 801. PERFORMED APU FIRE DET LOOP RESISTANCE SYSTEM TEST PER AMM 26 15 00 730 801 RESISTANCE WITHIN LIMITS AT 1038 OHMS. INSPECTED FIRE LOOPS AT APU ALL CHECKED OK. VERIFICATION FLIGHT SATISFACTORY.
WX RADAR SHOWS RETURNS (MOISTURE) WHEN NO MOISTURE WAS PRESENT ON F/O CDS/ND. FAULT CODE 344 120 32. UNABLE TO VERIFY DEFECT. PERFORMED WEATHER RADAR SYSTEM BITE PER FIM 34 43 00 810 801 INITIAL EVALUATION FOR FAULT CODE 344 120 32 PER FIM 34 43 00 810 802 AND WEATHER RADAR SYSTEM OPERATIONAL TEST PER AMM 34 43 00 710 802 001, ALL TESTS PASS. SEAMC NOTIFIED.
DURING PREFLIGHT MAP FLAG ON F/O NAV DATA DISPLAYS. CYCLED FMC C/B'S P6 1 D15 AND D16 TO REBOOT F/O'S FMC AND CDU. PERFORMED F/O'S FMC BITE PROCEDURE 34 61 00 810 801, NO FAULTS INDICATED OPS NORMAL. PERFORMED F/O'S FMC AND CAPTS FMC OPERATIONAL TEST PER MM 34 61 00 710 801. GROUND TESTS NORMAL. F/O'S MAP FLAG NOT IN VIEW. SEAMC ADVISED.
FOUND NR 1 ENG FAULT CODE 73 11271 (THE ALTERNATOR VOLTAGE INPUT INTO THE EEC IS OUT OF RANGE). SHORT TIME FAULT. PERFORMED FIM 73 27 00 810 F00 CHANNEL A OF NR 1 EEC ALTERNATOR FAILS RESISTANCE CHECK PER STEP F3B 86143. REMOVED NR 1 EEC ALTERNATOR AND ALTERNATOR ROTOR PER MM 73 21 08 000 801 31002. INSTALLED NEW ALTERNATOR AND ALTERNATOR ROTOR PER MM 73 21 08 400 801 F00, OPS CHECKS OK.
FMC DISAGREE NOTE IN LEFT FMC SCRATCH PAD. PERFORMED FMC DISAGREE CHECK LIST OPS NORMAL. VERIFIED DEFECT INFLIGHT FAULT NR 1 LOGGED R FMC FAILURE. FOLLOWED FIM 34 61 TASK 835 GROUND VERIFCATION TEST PASSED SEAMC NOTIFIED.
AFTER TOUCH DOWN IN SEATTLE THE SPAR VALVE CLOSED LIGHT ILLUMINATED BRIGHT BLUE IN TRANSIT FOR THE NR 1 ENGINE. ENGINE RAN FINE ON TAXI IN AND SHUT DOWN NORMALLY WITH LIGHT GIVING NORMAL INDICATIONS ONCE THE START LEVER MOVED TO CUTOFF. PER MC REQUEST ACCOMPLISHED SPAR VALVE ACTUATOR BONDING RESISTANCE PER AMM REF TASK 28 22 11 200 801. PLUG CONDITION GOOD BONDING RESISTANCE WITHIN LIMITS. PERFORMED THE NUMBER ONE ENGINE SPAR VALVE FIM TASK 28 22 00 810 809 WITH NO DISCREPANCIES FOUND. VERIFICATION FLIGHT SUCCESSFUL, OPS NORMAL.
DURING TAXI IN LEFT SPAR VALVE ILLUMINATED BRIGHT BLUE REMAINED UNTIL ENGINE SHUTDOWN CYCLED START LEVER AND LIGHT APPEAR TO OPERATE NORMALLY. PERFORMED THE NUMBER ONE ENGINE SPAR VALVE FIM TASK 28 22 00 810 809 WITH NO DISCREP FOUND, INTERM FAULT. GROUND VERIFICATION SUCCESSFUL. VERIFICATION FLIGHT TAXI OUT IN SEA AND TAXI IN ANC NR 1 SPAR VALVE, OPS NORMAL.
NR 1 ENG GENERATOR DRIVE LIGHT INOP. TESTS OK. BULBS REPLACED. PERFORMED FIM TASK 24 11 00 810 801. PERFORMED GCU BITE. NO FAULTS FOUND. ENG RUN BY FLIGHT CREW. GEN DRIVE LIGHT, OPS NORMAL. VERIFIED NO GCU FAULTS. NO 30 DAY HISTORY.
APU IS LEAKING OIL FROM THE DRAIN MAST. REF MM 49 16 11 200 801 STEP D B(4) NO OIL LEAKAGE ALLOWED FROM MIDDLE DRAIN REQ'S APU CHANGE. REMOVED AND REPLACED APU PER T/C 78349010 PARTS VERIFIED BY SEAMC, OPS & LEAK CHECK GOOD.
NR 1 ENGINE LOWER IGNITER BOX CANNON PLUG CONNECTION POINT THREADS GOUGED. GROUNDED YES. R&R NR 1 ENG IGNITION EXCITER BOX IAW AMM 74-11-01-000-801-F00 AND 74-11-01-400-80- F00.
AFT CARGO BAY FLOOR PANEL INBD OF THRESHOLD HAS A 1 INCH CRACK APPROX STA 807. R&R PANEL.
AFT CARGO BAY NR 2 FLOOR PANEL HAS MULTIPLE DENTS AND GOUGES. REMOVED FLOOR PANEL FABRICATED NEW PANEL AND INSTALLED.
AFT CARGO BAY NR 3 FLOOR PANEL HAS MULTIPLE DENTS AND GOUGES. R&R NR 3 FLOOR PANEL.
MAP FLAG VISIBLE ON F/O'S DISPLAY AND SINGLE FMC OPERATION ANNUNCIATED ON SCRATCH PAD. GROUNDED YES. PERFORMED FIM 34 61TASK801 FMC CK'S GOOD. PER SEAMC ED GROUND VERIFICATION SUCCESSFUL.
NR 2 GEN DRIVE LIGHT DOES NOT ILLUMINATE REPLACED NR 2 IDG REF MM 24 11 11 400 801. OPS CKS GOOD REF MM 24 11 00 700 803 ETOPS CRITICAL PART VERIFIED BY SEAMC MARK.
EXCESSIVE DUCT SPLIT DURING CLIMB & CRUISE FLT LT DUCT 20 RIGHT DUCT 38. ENGINES TRIMMED DURING CRUISE N1 87.7 87.7 N2 62.7 61.8 FF 2.34 2.34 THIS WAS AT CRUISE FL 400. ACCOMP ENG BLEED AIR SYS HEALTH CK NR 1 ENG REF MM 36-11-00-700-801. HIGH STAGE REG FAILED REMOVED & REPLACED HIGH STAGE REG LEAK & OPS CHECK NORMAL REF MM 36-11-07-400-801. GROUND VERIFICATION SUCCESSFUL. ACCOMP PRECOOLER CONT VALVE SYS HEALTH CHECK REF MM 36-12-00-700-801. GROUND VERIFIED PRECOOLER CONT VALVE FAILED. REMOVED & REPLACED NR 1 ENG PRECOOLER CONT VALVE LEAK & OPS NORMAL REF MM 36-12-00-400-801, GROUND VERIFICATION SUCCESSFUL. ACCOMP HIGH POWER ENGINE RUN ALL DUCT PRESSURES NORMAL AT ALL PWR SETTINGS REF FIG 502 CHART MM 36-11-00-710-801.
MAINTENANCE ANNUNCIATOR ILLUMINATED UPON APU SHUTDOWN. REPLACED STARTER GENERATOR AND STARTER POWER UNIT.
NR 2 FMC "L2" BUTTON VERY DIFFICULT TO PRESS. REPLACED NR 2 FMCS CONTROL DISPLAY UNIT, OPS NML REF MM 36 61 01.
NR1 HF LIGHT ILLUMINATED ON CAPTAIN`S RADIO SELECT TUNE PANEL REGARDLESS OF WHICH RADIO IS SELECTED REMOVED AND REPLACED NR1 HF VHF COMM FRQ TUNING PANEL NR1 COMM OPS CK GOOD REF MM 23 11 01.
FMC DISAGREE MSG WHEN FLAPS LOWERED VERIFIED DISCREPANCY. PERFORMED FMC RESET PROCEDURES IAW FIM 34-61-00-810-835. SYSTEM RESET OK. AC OK FOR SERVICE.
AUTO FAILED ON PRESSURIZATION ALTN MODE SELECTED AUTO FAIL LIGHT OUT. UNABLE TO DUPLICATE DISCREPANCY NR 2 CONTROLLER LOGGED FAULT CODE 101 FOR FLIGHT 479. ACCOMPLISHED FIM 31 803 FOUND FAULT TO BE INTERMITTENT. GROUND VERIFICATION TEST PASSED REF MM 21 31 00.
ENG NR 2 SHORT TERM FAULT MSG NO. FAULT CODE NR 73 20342. THE FMV POSITION SIGNAL OUT OF RANGE. PERFORMED TEST 12 ACTUATORS TEST CONFIRMED FAULT. VERIFIED ROTABLE COMPONENT MFG NR 442369 S/N NR 3219 REF IPC 73 21 10 01 ITEM 25T. REPLACED HMU REF MM 73 21 10 400 801 FOO AND 000 801 F00. OPS AND LEAK CHECK GOOD.
APU OIL COMSUMPTION INDICATE ALERT. STRIP AC FROM ETOPS SERVICES INSP, APU INTAKE EXHAUST AND APU AREA, NO OIL LEAKS NOTED AT THIS TIME. AC RESTRICTED FROM ETOPS UNTIL NEW APU OIL COMSUMPTION RATE IS CALULATED. INSPECTED APU, APU OIL LEVEL FULL CONSUMPTION FOR APU .0, THIS REMOVES TOP DEFFERAL FOR APU OIL USED.
CONT CABIN ZONE TEMP ILLUM ON RECALL BITE CHECK BOTH TEMP CONTROLLERS RT CONTROLLER SHOWED FLT DECK TRIM VALVE FAULT WHICH CLEARED. DUE PREVIOUS HISTORY 15 APR CONTINUED MEL 21 21C. INSTALLED PLAC VERIFIED FAULT REF MM 21 60 00, FOUND AIR FILTER OBSTRUCTED & SENSOR ELEMENT COVERED WITH CONTAMINANTS. CLEAN FILTER & SENSOR. OPERATED PACK & CONFIRMED GOOD TEMP RESPONSE SYS OPS NML. CLEARED MEL 21 21C CN 6424720 P C REM.
AUTO FAIL LIGHT AND ALT LIGHT ILLUMINATED ON PRESSURIZATION PANEL. CYCLED TO ALT & BACK TO AUTO, FAULT LIGHT OUT. NR 1 & 2 CABIN PRESSURE CONTROLLERS BITE TEST GOOD.
AIRCRAFT HAS DIRTY SOCK SMELL FROM PACKS IN FLIGHT. REPLACED CONDENSER AND RE HEATER ASSEMBLIES ON RT AIR CONDITIONING BAY.
WHILE ACCOMPLISHING TASKCARD 78349013 FOUND APU OIL FILTER EXTENDED. COMPLETED OIL DELTA P INDICATOR SERVICING. REMOVED FILTER ELEMENT. LEAK AND OP CHECKS NORMAL.
APU GENERATOR INDICATES 15 AMPS WITH APU OFF JUST AS OCCURRED THE DAY BEFORE. REPLACED ECU APU ELECTRONIC CONTROL UNIT AFTER REPLACING GCU THE DAY BEFORE.
DURING CLIMB APU GENERATOR INDICATED 16 AMPS WITH APU NOT RUNNING. REPLACED GCU GENERATOR CONTROL UNIT.
BOTH AIRCON PACKS ANNUNCIATED AFTER ENGINE START. BITE TESTED EACH TEMPERATURE CONTROLLER PER FIM 21 62 AND RESET.
CABIN ZONE TEMPERATURE ANNUNCIATED ON MASTER CAUTION PANEL. REPLACED TEMPERATURE TRIM MODULATING VALVE.
"FMC DISAGREE" ANNUNCIATED ON ND AND FMC SCRATCH PAD. VERIFIED FMC DISAGREE FAULT. RESET FMC NR 1 COMP AND FMC NR 2 COMP C/B'S. FMC SYSTEMS LT AND RT GROUND TEST GOOD.
THE "FMC DISAGREE" DISPLAYED ON FMC. ACCOMPLISHED FIM 34 61 TASK 835 & FMC BITE, OK. NO FURTHER DISCREPANCIES NOTED.
NO SIDETONE ON HF1 FROM EITHER SEAT. HF1 RECEIVES OK. VOICE & SELCAL OTHER RADIOS WORK OK. ON CAPT'S SIDE VHF & F/O'S SIDE HF2 WORK OK. REPLACED NR 1 HF TRANSCEIVER. GROUND VERIFICATION TEST GOOD, VERIFICATION FLIGHT SATISFACTORY.
NR 1 HF FAILED TO TRANSMIT. CONFIRMED FAILURE ON GROUND. REPLACED NR 1 HF ANTENNA COUPLER. OP CHECK & FVF GOOD.
MODE CONTROL PANEL BACKGROUND LIGHTING INOP. REPLACED MODE CONTROL PANEL. OP CHECKS GOOD. BITE TEST PASS.
HF DATA LINK INOP. CW MM 23-11-00 NORMAL AND MM 23-27-00 NORMAL. UNABLE TO DUPLICATE. AIRCRAFT RELEASED FOR A NON ETOPS VERIFICATION FLIGHT TO CHECK NR 2 HF DATA LINK. NON ETOPS VERIFICATION FLIGHT SATISFACTORY.
ZONE TEMP LIGHT FOR CONTROL CABIN CAME ON AFTER START OF ENGINES. COULD NOT EXTINGUISH. BITE ON NR 1 & 2 CABIN TEMP CONTROLLERS SHOW FAULT FLIGHT DECK CABIN SENSOR. ACCOMPLISHED FIM 21 62 TASK 801. FAULT & ZONE TEMP LIGHT CLEARED. BITE CHECKS GOOD.