N597AS
Registered owner: ALASKA AIRLINES INC, WA (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
CRACK INDICATION FOUND, NR 1 RT HORZONTAL STAB LOWER SKIN STAB. STA.157.10 .900"L INBD OF INBD ROW OF FASTENERS, 22.75" AFT OF FWD SPAR. GROUNDED - YES. REPLACED THE RT HORIZONTAL STAB LOWER SKIN STAB STA 157.10 IAW SRM 55-10-01-2R-11. REPAIR IS A CAT "B" INSPECTION THRESHOLD 56,000 TFC AND REPEAT INSPECTION INTERVAL 9,000 FC.
CRACK INDICATION FOUND, NR 3 RT HORZONTAL STAB LOWER SKIN STAB. STA.129.50 .500"L INBD OF INBD ROW OF FASTENERS, 33.25" AFT OF FWD SPAR. GROUNDED - YES. REPAIRED THE RT HORIZONTAL STAB LOWER SKIN STAB STA 129.50 IAW SRM 55-10-01-2R-11. REPAIR IS A CAT "B" INSPEACTION THRESHOLD 56,000 TFC AND REPEAT INSPECTION INTERVAL 9,000 FC.
PASSENGER CABIN STA 916.5 LBL 51.55 DUAL FLOOR MOUNT ATTACHING INTERCOSTAL HAS CORROSION AROUND MOUNT. GROUNDED - YES. REMOVED AND REPLACED 147A5690-8 INTERCOSTAL IAW BAC DWG 147A5680 REV - AND B737-800 SRM 51-40-02. ALLOWABLE LIMITS IN SRM FOUND DEEMED OUT OF LIMITS.
FA REPORTS L1 DOOR DIFFICULT TO CLOSE, REQUIRING MORE FORCE THAN NORMAL. ALSO REPORTED A TAPPING NOISE EMANATING FROM UPPER RIGHT SECTION OF L1 DURING DESCENT, LANDING. DURING TAXI-IN. GROUNDED - YES. INSPECTED FWD L1 DOOR FRAME/SILL AND DOOR ASSY IAW AMM 52-11-00, NO DEFECTS WERE NOTED. OPS CHECKED AND VERIFIED DOOR FORCE BOTH OPENING AND CLOSING PER AMM 52-11-00, OPS CHECK GOOD WITH NO HISTORY PAST 90 DAYS, DEFECT DID NOT AFFECT PRESSURIZATION OR COMMUNICATION. NO DEFECTS NOTED OPS CHECK GOOD.
EMERGENCY AISLE / AREA LIGHT ABOVE 6 ABC INOPERATIVE. GROUNDED - YES. SECURED D11344 CONNECTOR WDM 33-51-12-6, LIGHT L1065 NOW OPERATING NORMALLY.
WHILE WORKING TC 78233001 THE FOLLOWING DEFECTS NOTED: 1) RH FWD OWE GROUND ILLUMINATION LIGHT INOP. 2) L2 OVERDOOR & ASSOCIATED LIGHTS INOP. 3) 21-24 DEF EMERGENCY AISLE LIGHTS INOP. 4) LH OWE GROUND ILLUMINATION & ESCAPE LT INOP. 5) 18-22 ABC EMERGENCY AISLE LIGHTS INOP. GROUNDED - YES. PER TC 78233001 & AMM 33-51-06 EMERGENCY EXIT LIGHT BATTERY PACK REMOVED & REPLACED FOR M1676, M1694, M1670, M1671 & M1673. RH FWD OWE GROUND ILLUMINATION LIGHT RELAMPED REF AMM 33-51-04. OPS CHECKS GOOD.
(LATE FIND) WHILE INSPECTING FOR AN "OK TO INSTALL" L/H LEADING EDGE, FOUND TWO INTERNAL CRACKS AT STA LES 105.26 VERTICAL, SEGMENTS 3 AND 4. GROUNDED - YES. REPAIRED THE L/H HORIZ STAB AT STA 92.70 3EA LOCATIONS USING MAT BAC1505-100962 T-SECTION, BAC 1490-2793 ANGLE, .012 7075-T6 SHIM PER B737-800 SRM 55-10-09-2R-4. GAINED ACCESS AND ACCOMPLISHED THE HORIZ STAB LOWER SKIN ACCESS PANEL REPAIR USING MAT .071 2024-T3 COVER PLATE, .250 2024-T351 DOUBLER AND SPLICES, AND .071 2024-T3 SHIM PER B737-800 SRM 55-10-01-2R-8. ACCESS PANEL REPAIR IS A CAT "B" REPAIR AND HAS AN INSPECTION THRESHOLD OF 56.000 FLIGHT CYCLES AND AN INTERVAL OF 9,000 FLIGHT CYCLES PER B737-800 SRM 55-10-01-2R-8.5.A. TABLE 203.
(LATE FIND) WHILE INSPECTING FOR AN "OK TO INSTALL" R/H HORIZONTAL LEADING EDGE. FOUND INTERNAL CRACK AT STA LES 123.85 3 VERTICAL SEGMENTS AFT STREAMER ATTACHED AT OPENING. GROUNDED - YES. REPAIRED THE RIGHT HORIZ STAB RIB AT LE STA 123.85 USING MAT BAC 1505-100962 T-SECTION, BAC 1490-2793 ANGLE, .012 7075-T6 SHIMS PER B737-800 SRM 55-10-09-212-4.
FWD PIT R/H BAFFLE BETWEEN STA 500E AND 500F CORNER BROKEN OFF. GROUNDED - YES. REMOVED AND REPLACED FWD PIT R/H BAFFLE BETWEEN STA 500E AND 500F PN:143A7510-22 PO: 1096771.4 IAW B737-800 SRM 51-40-02 AND SRM 51-40-05.
CABIN WET AFT AREA APPROX. STA. 952, LBL 16-24 LATERAL FLOOR SUPPORT CORRODED AROUND FASTENER HOLES AS MARKED. GROUNDED - YES. REMOVED DAMAGE IAW B737-800 SRM 51-10-02, FOUND TO BE OUT OF LIMITS IAW B737-800 B737-800 SRM 53-42-51, NO LIMITS NOTED, ORIG THICKNESS NOTED, REMOVED AND REPLACED FLOOR SUPPORT IAW B737-800 SRM 51-40-02 & IAW REFS AIPC 53-42-51.
CABIN AFT WET AREA APPROX. STA. 952,LBL 24-48 LATERAL FLOOR SUPPORT CORRODED AROUND FASTENER HOLES AS MARKED. GROUNDED - YES. REMOVED CORROSION IAW B737-800 SRM 51-10-02, 100% MAT LOSS OUT OF LIMITS IAW B737-800 SRM 53-70-51, NO ORIG THICKNESS NOTED, NO LIMITS NOTED, REMOVED AND REPLACED FLOOR SUPPORT IAW B737-800 SRM 51-40-02 AND IAW BAC DWG 147A5650 REV:C.
CABIN AFT WET AREA APPROX. STA. 988, RBL 32 GALLEY FLOOR SUPPORT PLATE TOP SURFACE CORRODED AS MARKED. GROUNDED - YES. BLENDED OUT CORROSION IAW B737-800 SRM 51-10-02. WEB ORIGINAL THICKNESS 0.040 IAW BAC DWG 147A5712 REV B, REMAINING THICKNESS 0.028, REMOVED 0.012. OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1. REMOVED CORRODED WEB AND FLOOR SUPPORTS STA 986-1016 RBL 30 - RBL 47 IAW B737-800 SRM 51-40-02. DRILLED TO FIT NEW WEB IAW B737 8OO SRM 51-40-05 AND BAC DWG 147A5700 REV-. INSTALLED NEW WEB AND FLOOR SUPPORTS STA 986-1016 RBL30-RBL47 IAW B737-800 SRM 51-40-02 AND BAC DWG 147A5700 REV-.
CABIN AFT WET AREA APPROX. STA. 952,LBL 24 LONGITUDINAL FLOOR SUPPORT CORRODED AROUND (1EA)FASTENER HOLE AS MARKED. GROUNDED - YES. REMOVED DAMAGE IAW B737-800 SRM 51-10-02, FOUND TO BE OUT OF LIMITS NO ORIG THICKNESS NOTED, NO LIMITS NOTED. REMOVED AND REPLACED FLOOR SUPPORT IAW B737-800 SRM 51-40-02 AND IAW REFS AIPC 53-42-51.
CABIN AFT WET AREA APPROX. STA. 993 AND RBL 34,GALLEY SUPPORT PLATE ATTACH ANGLE HAS DRILLED OUT ELONGATED HOLES(2EA) AS MARKED. GROUNDED - YES. SUPPORT HAS 100% MATERIAL LOSS. OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1. DRILLED TO FIT NEW SUPPORT IAW B737-800 SRM 51-40-05 AND BAC DWG 147A5700 REV-. SUPPORT INSTALLED ON N/R 30992 CUSTOMER CARD G2012492.
CABIN AFT WET AREA FLOOR STRUCTURE BETWEEN GALLEY FITTINGS APPROX. STA. 1015 AND RBL 32, FLOOR SUPPORT AFT END CORNER CORRODED AS MARKED. GROUNDED - YES. SUPPORT HAS 100% MATERIAL LOSS AND OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1. DRILLED TO FIT NEW SUPPORT IAW B737-800 SRM 51-40-05 AND BAC DWG 147A5700 REV-. SUPPORT INSTALLED ON N/R 30992 CUSTOMER CARD G2012492
CABIN AFT WET AREA APPROX. STA. 958,LBL 48 LONGITUDUNAL FLOOR SUPPORT UPPER SURFACE CORRODED AROUND (2EA)FASTENER HOLES AS MARKED. GROUNDED - YES. REMOVED CORROSION IAW B737-800 SRM 51-10-02, 100% MAT LOSS OUT OF LIMITS IAW B37-800 SRM 53-70-51. REMOVED AND REPLACED FLOOR SUPPORT IAW B737-800 SRM 51-40-02 AND IAW REFS AIPC 53-42-51
MAIN CABIN FLOOR STRUCTURE INTERCOSTAL IS CRACK AT BS312 RBL28 AS MARK. GROUNDED - YES. REMOVED AND REPLACED 1 CABIN FLOOR STRUCTURE INTERCOSTAL (P/N- 141A5410U12) P.O. 1096573.1 IAW B737-800- ETOP- SRM-51-40-02 AND BOEING DOCUMENT- 141A5400 REV:-
CABIN AFT WET AREA APRROX. STA. 952, RBL 24-48 LATERAL FLOOR SUPPORT CORRODED AROUND FASTENER HOLES (2EA) AS MARKED. GROUNDED - YES. REMOVED AND REPLACED FLOOR SUPPORT IAW B737-800 SRM 51-40-02 AND BOEING DWG 147A5650 REV A. ORIG THICKNESS IS 0.075" REMOVED 0.019", 0.056" REMAINING FOUND OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1.
MAIN CABIN INTERCOSTAL UPPER SURFACE HAS CORROSION AT BS307 LBL12 AS MARK. GROUNDED - YES. REMOVED CORROSION IAW B737-800 51-10-02. ORIG THICK 0.125, REMOVED 0.060, REMAINING THICK 0.065 OUT OF LIMITS IAW B737-800 SRM 53-10-51. REMOVED INTERCOSTAL IAW B737-800 SRM 51-40-02. DRILLED TO FIT NEW INTERCOSTAL IAW B737-800 SRM 51-40-05 AND BAC DWG 141A5600 REV N INSTALLED NEW INTERCOSTAL IAW B737-800 SRM 51-40-02 AND BAC DWG 141A5600 REV N.
MAIN CABIN FLOORBOARD SUPPORT HAS CORROSION AT BS270 BETWEEN RBL0 AND RBL7 AS MARK. GROUNDED - YES. REMOVED CORROSION IAW B737-800 SRM 51-10-02, ORIG THICKNESS FOR TOP SURFACE .100 REMOVED .007 REMAINING MAT .093 FOUND TO BE IN LIMITS IAW B737-800 SRM 53-10-51, REMOVED CORROSION FROM LOWER SURFACE IAW B737-800 SRM 51-10-02, ORIG THICKNESS .050, REMOVED .005 REMAINING MAT .045 FOUND TO BE IN LIMITS IAW B737-800 SRM 53-10-51, HASH MARKED BLEND OUT IAW B737-800 AMM 51-05-01
CABIN AFT WET AREA FLOOR STRUCTURE BETWEEN GALLEY FITTINGS APPROX. STA. 1014 AND LBL 32,FLOOR PANEL LONGITUDINAL SUPPORT CORRODED AS MARKED. GROUNDED - YES. REMOVED CORROSION IAW B737-800 SRM 51-10-02,100% MAT LOSS,NO LIMITS NOTED NO ORIG THICKNESS NOTED,FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1, REMOVED AND REPLACED FLOOR WALL SUPPORT IAW B737-800 SRM 51-40-02 AND IAW BAC DWG 147A5700 REV:A.
MAIN CABIN AFT WET AREA FLOORBOARD DELAME P/N 147A5810-28. GROUNDED - YES. REPAIRED MAIN CABIN AFT WET AREA FLOOR BOARD P/N 147A5810-28 DELAM WITH FIBERGLASS DOUBLER REPAIR I.A.W B737-800 SRM 53-00-50-2R-0, 53-00-50-2R-1.
MAIN CABIN AFT WET AREA FLOORBOARD DELAME P/N 147A5810-23. GROUNDED - YES. REPAIRED MAIN CABIN AFT WET AREA FLOOR BOARD P/N 147A5810-23 DELAM WITH FIBERGLASS DOUBLER REPAIR I.A.W B737-800 SRM 53-00-50-2R-0, 53-00-50-2R-7.
MAIN CABIN FWD WET AREA FLOOR PANEL DELAME P/N 141A5810-454. GROUNDED - YES. PERFORMED PERMANENT REPAIRS ON MAIN CABIN FWD WET AREA FLOOR PANEL P/N: 141A5810-454 IAW ASA B737-800 SRM 53-00-50-2R-7 & ASA B737-800 SRM 53-00-50-2R-1, ASA B737-800 SRM 53-00-50-2R-0. NO FURTHER ACTION REQUIRED.
MAIN CABIN FWD WET AREA FLOOR PANEL DELAME P/N 141A5810-755. GROUNDED - YES. PERFORMED PERMANENT REPAIRS ON MAIN CABIN FWD WET AREA FLOOR PANEL P/N: 141A5810-755 IAW ASA B737-800 SRM 53-00-50-2R-7 & ASA B737-800 SRM 53-00-50-2R-0. NO FURTHER ACTION REQUIRED.
MAIN CABIN AFT WET AREA FLOORBOARD DELAME P/N 147A5810-137. GROUNDED - YES. REPAIRED MAIN CABIN AFT WET AREA FLOOR BOARD P/N 147A5810-137 DELAM WITH FIBERGLASS DOUBLER REPAIR I.A.W B737-800 SRM 53-00-50-2R-0, 53-00-50-2R-1.
MAIN CABIN FWD WET AREA FLOOR PANEL DELAME P/N 141A5810-765. GROUNDED - YES. COMPLETED WET LAY UP REPAIR AND REMOVE/REPLACE INSERTS ON MAIN CABIN FWD FLOOR PANEL P/N 141A5810-765 IAW B737-800 SRM 53-00-50-2R-1.
MAIN CABIN FWD WET AREA FLOOR PANEL DELAME P/N 141A5810-728. GROUNDED - YES. COMPLETED WET LAY UP REPAIR AND REMOVE/REPLACE INSERTS ON MAIN CABIN FWD FLOOR PANEL P/N 141A5810-728 IAW B737-800 SRM 53-00-50-2R-1.
MAIN CABIN FWD WET AREA FLOOR PANEL DELAME P/N 141A5810-236. GROUNDED - YES. COMPLETED WET LAY UP REPAIR AND REMOVE/REPLACE INSERTS ON MAIN CABIN FWD FLOOR PANEL P/N 141A5810-236 IAW B737-800 SRM 53-00-50-2R-1.
MAIN CABIN FWD WET AREA FLOOR PANEL DELAME P/N 141A5810-763. GROUNDED - YES. EVALUATED PANEL. REPAIRED DELAMINATION IAW B737-800 ER SRM 53-00-50.
MAIN CABIN AFT WET AREA FLOORBOARD DELAME P/N 147A5810-136. GROUNDED - YES. EVALUATED AND REPAIRED MAIN CABIN AFT WET FLOORBOARD P/N 147A5810-136 AND REPLACED 55 INSERTS IAW B737-800 SRM 53-00-50-2R-0.
MAIN CABIN FWD WET AREA FLOOR PANEL DELAME P/N 141A5810-155. GROUNDED - YES. EVALUATED PANEL. REPAIRED DELAMINATION IAW B737-800 ER SRM 53-00-50.
MAIN CABIN FWD WET AREA FLOOR PANEL DELAME P/N 141A5810-157. GROUNDED - YES. EVALUATED PANEL. REPAIRED DELAMINATION IAW B737-800 ER SRM 53-00-50.
MAIN CABIN AFT WET AREA FLOORBOARD DELAME P/N 147A5810-27. GROUNDED - YES. REPAIRED MAIN CABIN AFT WET AREA FLOOR BOARD P/N 147A5810-27 DELAM WITH FIBERGLASS DOUBLER REPAIR I.A.W B737-800 SRM 53-00-50-2R-0, 53-00-50-2R-1.
AFT PIT R/H TRANSISTION PANEL STA 727F+11 TO 767 HAS CORROSION. GROUNDED - YES. REMOVED CORROSION FROM AFT PIT R/H TRANSITION PANEL AT STA 727F+11 TO 767 IAW B737-800 SRM 53-00-53-1A-2. ORIG. THICKNESS IS .040" IAW B737-800 SRM 53-60-53-01-2. REMOVED .020" REMAINING THICKNESS .020" AND IS FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2. REPLACED AFT PIT R/H TRANSITION PANEL FROM STA 727F+11 TO 767 IAW B737-800 SRM 53-00-53-2R-5.
AFT PIT LOWER DOOR SILL STRAP HAS CORROSION. GROUNDED - YES. REMOVED CORROSION FROM AFT PIT LOWER DOOR SILL STRAP IAW B737-800 SRM 53-60-15-1A-1 ORIG THICKNESS IS .100" IAW B737-800 SRM 53-60-15-01-1. REMOVED .016". REMAINING THICKNESS IS .084" AND IS FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-60-15-1A-1. REPLACED AFT PIT LOWER DOOR SILL STRAP IAW B737-800 SRM 51-40-02 AND SRM 51-40-05.
AFT PIT FWD SHIELD HAS CORROSION. GROUNDED - YES. REMOVED CORROSION FROM AFT PIT FWD SHIELD IAW B737-800 SRM 53-60-15-1A-1 ORIG'L MATERIAL THICKNESS WAS .050 IAW B737-800 SRM 53-60-15-01-1,MAT REMOVED .025 REMAINING IS .025 FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-60-15-1A-1,REMOVED AND REPLACED NEW SHIELD IAW B737-800 SRM 51-40-02 AND BOEING DWG# 146A8127. REV:-.
FWD PIT R/H TRANSITION PANEL STA 500C+15 TO 500I IS CORRODED. GROUNDED - YES. REMOVED THE CORROSION FROM THE FWD PIT R/H TRANSITION PANEL AT STA 500C+15 -500I IAW B737-800 SRM 53-00-53-1A-2.2.D. ORIG THICKNESS IS .040" IAW B737- 800 SRM 53-30-53-1A-2. TABLE 2. REMOVED .020" REMAINING THICKNESS IS .020" AND IS FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2.4.A.(2). REPLACED FWD PIT R/H TRANSITION PANEL STA 500C+15 TO 500I IAW B737-800 SRM 53-00-53-2R-5.
AFT PIT,FWD SHIELD ATTACH ANGLE HAS CORROSION. GROUNDED - YES. REMOVED CORROSION FROM AFT PIT FWD SHIELD ATTACH ANGLE IAW B737-800 SRM 53-60-15-1A-1 ORIGNL THICKNESS WAS .050 IAW B737-800 SRM 53-60-15-01-1.REMOVED .025 REMAINING THICKNESS IS .025 FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-60-15-1A-1 REMOVED AND REPLACED NEW ATTACH ANGLE P/N 146A8125-53. PO#0 IAW B737-800 SRM 51-40-02 AND BOEING DWG# 146A8123. REV :-.
FWD PIT,AFT BULKHEAD R/H SUPPORT IS CORRODED. GROUNDED - YES. REMOVED CORROSION FROM THE FWD PIT R/H AFT BULKHEAD SUPPORT IAW B737-800 SRM 53-30-08-1A-1.2.C. AND IS FOUND TO HAVE 100% MATERIAL LOSS IAW B737-800 SRM 53-30-08-1A-1.4.(2). REMOVED AND REPLACED FWD PIT AFT BULKHEAD R/H SUPPORT IAW B737-800 SRM 51-40-02 SRM 51-40-05.
AFT PIT L/H TRANSITION PANEL STA 727 TO 727E+12 HAS CORROSION. GROUNDED - YES. REMOVED CORROSION FROM AFT PIT L/H TRANSITION PANEL AT STA 727 TO 727E+12 IAW B737-800 SRM 53-00-53-1A-2, ORIGNL MATERIAL WAS .040 IAW B757-800 SRM 53-60-53-01-2 100% MATERIAL LOST FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2 REPAIRED THE AFT PIT L/H TRANSITION PANEL FROM STA 727 TO 727E+12 USING MAT BAC 1496-377 IAW B737-800 SRM 53-00-53-2R-5.
AFT PIT L/H TRANSITION PANEL STA 727E+12 TO 738 HAS CORROSION. GROUNDED - YES. REMOVED CORROSION FROM AFT PIT L/H TRANSITION PANEL AT STA 727E+12 TO 738 IAW B737-800 SRM 53-00-53-1A-2, ORIGN'L MATERIAL WAS .040 IAW B737-800 SRM 53-60-53-01-2 REMOVED .020. REMAINING IS .020 FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2. REPAIRED THE AFT PIT L/H TRANSITION PANEL FROM STA 727E+12 TO 738 USING MAT BAC 1496-377 IAW B737-800 SRM 53-00-53-2R-5
AFT PIT, AFT SHIELD HAS CORROSION. GROUNDED - YES. REMOVED CORROSION FROM AFT PIT, AFT SHIELD IAW B737-800 SRM 53-60-15-1A-1. ORIG. THICKNESS IS .050" IAW B737-800 SRM 53-60-15-01-1. REMOVED .025" REMAINING THICKNESS IS .025" AND IS FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-60-15-1A-1. REPLACED AFT PIT, AFT SHIELD IAW B737-800 SRM 51-40-02 AND B737-800 SRM 51-40-05.
FWD PIT, AFT BULKHEAD LOWER SUPPORT IS CORRODED. GROUNDED - YES. REMOVED CORROSION FROM THE FWD PIT, AFT BULKHEAD LOWER SUPPORT IAW B737-800 SRM 53-30-08-1A-1.2.C AND IS FOUND TO HAVE 100% MATERIAL LOSS IAW B737-800 SRM 53-30-08-1A-1.4.(2). REMOVED AND REPLACED FWD PIT, AFT BULKHEAD LOWER SUPPORT PN:143A9485-35 IAW B737-800 SRM 51-40-05 AND SRM 51-40-02
AFT PIT R/H TRANSITION PANEL STA 727 TO 727F+11 HAS CORROSION. GROUNDED - YES. REMOVED CORROSION FROM AFT PIT R/H TRANSITION PANEL AT STA 727 TO 727F+11 IAW B737-800 SRM 53-00-53-1A-2. ORIG. THICKNESS IS .040" IAW B737-800 SRM 53-60-53-01-2. REMOVED .020" REMAINING THICKNESS IS .020" AND IS FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2. REPLACED AFT PIT R/H TRANSITION PANEL FROM STA 727 TO 727F+11 IAW B737-800 SRM 53-00-53-2R-5.
MAIN CABIN L1 DOOR, AFT LOWER STOP PIN FITTINGS IS WORN ON SIDE. GROUNDED - YES. CHECKED LIMITS ON WORN AREA ON STOP FITTING, OUT OF LIMITS IAW B737-800 SRM 52-10-90-1A-4. MAT. REMOVAL LIMITS .030 IN ZONE 2 LUG SURFACE .035 REMOVED USED TOOL E1555B DUE 25JAN25. REMOVED WORN STOP FITTING IAW B737-800 SRM 51-40-02. LOCATED & INSTALLED NEW STOP FITTING IAW BAC DWG#141A6104 REV.- TOP COATED AREA IAW B737-800 AMM 51-21-99.
MAIN CABIN L1 DOOR, AFT LOWER STOP PIN FITTINGS IS WORN ON SIDE. GROUNDED - YES. CHECKED LIMITS ON WORN AREA ON STOP FITTING, OUT OF LIMITS IAW B737-800 SRM 52-10-90-1A-4. MAT. REMOVAL LIMITS .030 IN ZONE 2 LUG SURFACE .035 REMOVED USED TOOL E1555B DUE 25JAN25. REMOVED WORN STOP FITTING IAW B737-800 SRM 51-40-02. LOCATED & INSTALLED NEW STOP FITTING IAW BAC DWG#141A6104 REV.- TOP COATED AREA IAW B737-800 AMM 51-21-99.
FA REPORTS PLASTIC LIGHT COVER FOR EXIT ROW LIGHTING MISSING AT SEAT 16F. GROUNDED - YES. REPLACED L/H ROW 16F LOWER LIGHT COVER (EMERG). OPS GOOD.
SINGLE FMC OPERATION MESSAGE ON CDU DURING TAXI IN. GROUNDED - YES. PERFORMED SYSTEM TEST OF FMC , NO FAULTS NOTED.
CFM DIAGNOSTICS REPORTS #2 ENGINE HAS INCREASE IN DELTA EGT, FUEL FLOW AND DECREASE IN CORE SPEED. HPTACC MALFUNCTION IS SUSPECTED. (#PRI2/ETOPS) CNR 20230922006. GROUNDED - YES. (RESOLVED ON W/O: 1970765 TASKCARD: N/R-00001 ) ACCOMPLISHED REMOVALOF HPTACC REF 75-21-01. ACCOMPLISHED STEPS 3A THROUGH G(9) REF AMM75-21-01-400-801-F00 . CONTINUED WITH INSTALL OF HPTACC VALVE REF AMM 75-21-01-400-801-F00 STEPS H TO END OF TASK. OPS AND LEAK CHECK GOOD.
HF RADIO #2 INOP - WILL NOT TRANSMIT OR RECEIVE. GROUNDED - YES. CREW CONFIRMS NORMAL OPERATION AFTER HF SELECTED ON TRANSFER SWITCH. CONFIRMED RECEPTION AND TUNING TONE UPON PTT. ETOPS GROUND VERIFICATION SUCCESSFUL, SEAMC NOTIFIED.
WHEN POWER TRANSFERED FROM GROUND POWER TO APU CAPTAINS FMC BLANKS FOR 5 SECONDS. GROUNDED - YES. PERFORMED FIM 34-61 ASK 804, FMCS BITE PER FIM 34-61 TASK 801, NO FAULTS. RAN APU, CYCLED BETWEEN GND/APU BUSSES 6X. NO DISCREPANCIES NOTED.
#2 ENGINE START VALVE WILL NOT OPEN. GROUNDED - YES. REMOVED & REPLACED ENG #2 START VALVE REF AMM 80-11-03/401. TWO C/B'S OPEN & TWO C/B'S CLOSED. POWERPLANT TEST REFERENCE TABLE, PROCEDURE C-(1)(B) PNEUMATIC LEAK CHECK ACCOMPLISHED REF AMM TASK 71-00-00. OPS CHECK GOOD.
BLEED OFF T/O REQUIRED, AFTER CONFIGURATION PER FOM PROCSDURS RIGHT DUCT PRESSURE INDICATES 20 PSI AT IDLE AND INCREASED WITH THRUST ADVANCEMENT,MX CONTROL WAS CONSULTED AND CONFIRMED THAT WAS NOT THE PROPER INDICATION CONSIDERING BLEED CONFIGURATION. GROUNDED - YES. OPENED #2 ENG COWL PER AMM 71-11-02 & #2 T/R PER AMM 78-31-00 ACCOMPLISHED FIM 36-10-802,INSPECTED #2 PRSOV VOLVE, FOUN TO BE CLOSED CLOSED #2 ENG COWL & T/R , INSPECTED C/B'S ON P6-4 PANEL FOR BLEED AIR,FOUND ALL TO BE CLOSED. FURTHER INSPECTION OF THE BLEED AIR REGULATOR FOUND ELECTRICAL CONNECTOR OFF/DISCONECTED.ELECTRICAL CONNECTOR RE-INSTALLED PER AMM REF 36-11-03-400-801, ENG #2 RUN & T/S PROCEDURES ACCOMPLISHED -OPERATION CONFIRMED NORMAL, AMM REF 71-00-00-800-806. A/C OK FOR SERV.
FO FLIGHT DIRECTOR WILL NOT TURN ON. GROUNDED - YES. (RESOLVED ON W/O: 1962014 TASKCARD: N/R-00003 ) REF L/P 60561250 FOR MEL 22-99C REQUIREMENT. REMOVED & REPLACED MCP REF MM 22-11-34 ALSO REMOVED & REPLACED FCC "B" REF MM 22-11-33 OPS CKS GOOD REF MM 22-11-34 & 22-11-33 CLEARS MEL 22-15T & 34-99B & 22-99B CHANGED TO 22-99C REF L/P 60561250 PLACARDS REMOVED SEAMC LANCE NOTIFIED.
MUSTY SMELL FROM AIR SYSTEM ON CLIMB & DESCENT BELOW 10,000'. GROUNDED - YES. PERFORMED COND INSP REF AMM 05-51 TASK 814, CHECKED APU LOAD COMPRESSOR CASE NO OIL WAS EVIDENT ON COTTON SWAB AFTER SWIPING DRAIN CAVITY. REMOVED & REPLACED RECIRC AIR FILTER REF AMM 21-25-01 OPS TEST GOOD, THE SMELL OF DIRTY SOCKS PERSISTS IN CABIN JS 76199 C/W AMM 21-00-01 STEPS 1-2E(1-22) NO DEFECTS FOUND IN LH ACM, ACM TURNS FREELY NO LEAKS AFTER INST. DURING OIL CONTAMINATION REMOVAL FOUND THAT ALL BLEED SOURCES #1/#2 ENG AND APU BLEED NO SMELL. PERFORMED APPLICATBLE STEPS FIM 21-00 TASK 806 A-G(1)(G) FOUND THAT LH PACK OPERATING DIRTY SOCK SMELL IS POTENT IN FLIGHT COMPARTMENT ONLY. CABIN FREE OF ODOR. UNABLE TO DETERMINE SOURCE OF CONTAMINATION IN LH PACK. FURTHER T/S NNEDED NO OIL OR SMELL FOUND DOWNSTREAM OF APU AIR BLEED OR SURGE VLV. NO MISSING OR DAMAGED BLADES UNDER APU COMPRESSOR INSP PANELS. SEAMC JOEY NOTIFIED. (SIG) 23966 07/12/2023 REF L/P 60721788 FOR CONT OF WORK C. HESS 11773. L/P 60721788: REMOVED AND REINSTALLED L/H OZONE CONVERTER, NO EVIDENCE OF OIL CONTAMINATION PER FIM TASK 21-00 TASK 806 G 1(G) 2. C HESS 11773. PRECAUTIONARILY CHANGED /REPLACED AIR CHARGING VALVE MANIFOLD REF FIM 21-00 TASK 806 STEP H AND AMM 29-09-02. OPS CHECK GOOD. A LIPPERT 23242. NO HELP, CABIN ODOR REMAINS STRONG IN FLIGHT DECK JS 76199. REMOVED AND REPLACED LH PACK OZONE CONVERTER. SUPPLIED AIR PRESSURE TO LEFT PACK WITH APU BLEED. LEAK CHECK GOOD. NO FURTHER ODOR SMELL NOTED IN BLEED SUPPLY. REM
#1 HF SAYS FAIL IN BOTH WINDOWS. GROUNDED - YES. ON DEFERRAL.
IN CRZ FLT FL350. WHEN ESTABLISING CONTACT WITH ARINC/SFO RADIO NOTICED THE #2 HF FAIL LIGHT ON BOTH ACTIVE/STANDBY RADIO TUNING PNL FREQ IND WINDOWS. GROUNDED - YES. REF ASA TSR714409, VERIFIED FAIL DISCREPANCIES ON CONTROL PANEL WINDOWS, HF #2 BITE TEST FAILED "LRU STATUS SHOWS RED LED LIGHT" B737-800 FIM 23-11 TASK 801, REMOVED & REPLACED HF #2 TRANSCEIVER AND PERFORMED INSTALLATION TEST GOOD B737-800 AMM 23-11-21/401.
#2 HF FAIL. GROUNDED - YES. RESET 4 BREAKERS IAW B737-800 FIM 23-11 TASK 802.
HF2 "FAIL" ON PANEL. GROUNDED - YES. RESET 4 BREAKERS IAW B737-800 FIM 23-11 TASK 802.
L-SIDE WINDOW HEAT "OVERHEAT" LIGHT ILLUMINATED. COMPLIED WITH QRH. LIGHT DID NOT RE-ILLUMINATE. GROUNDED - YES. CHANGED THE WIRES FROM THE PRIMARY SENSOR TO THE SPARE SENSOR REF B737-800 AMM TASK 30-41-00-420-801. WHCU BITE TEST PASSED FOR THE L-SIDE WINDOW REF AMM TASK 30-41-11-710-801.
CAPTAIN SIDE WINDOW OVERHEAT CAUTION ON LANDING. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 30-41 TASK 801 WINDOW HEAT CONTROL BITE CHECK.NO CURRENT FAULTS, WINDOW HEAT OPS CHECKS NORMAL.
RT PACK LIGHT ILLUMINATED DURING RECALL CHECK. GROUNDED - YES. PERF PTC BITE IAW B737-800 FIM 21-62 TASK 801. FOUND CONT # 2 W A MX MSG FOR "TCV THIS PACK" ON M1443. ONLY ONE HIT NOTED, REPERF BITE AND TEST CONTINUES TO PASS. UNABLE TO DUPLICATE FAULT, NO HISTORY INTHE LAST 30 DAYS.
LEFT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED. GROUNDED - YES. EXTINGUISHED PER ASA QRH PROCEDURES.
LEFT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED A SECOND TIME UPON LANDING. GROUNDED - YES. PERFORMED WHCU BITE REF B737-800 FIM 30-41 TASK 801. LH SIDE WHCU FAULTED SENSOR ON PREV FLT. BIT VERIFY SHOWED TEST OK. PERFORMED RESISTANCE CHECK OF LH SIDE WINDOW REF B737-800 AMM 30-41-21. RESISTANCE CHECKED OK. PERFORMED RESISTANCE CHECK OF COIL CORD PINS 1 AND 2. NO DEFECTS NOTED REF B737-800 WDM 30-41-12.
FUELER REPORTS #2 MAIN REFUEL INDICATOR MISSING THE NUMBER "2" ON IND. GROUNDED - YES. REMOVED AND REPLACED #2 REFUEL QUANTITY INDICATOR REF B737-800 AMM 28-41-61 OPS CHECK GOOD.
FUELER REPORTS #1 TANK INDICATOR ON REFUEL PANEL INOP. GROUNDED - YES. REMOVED AND REPLACED REFUEL QTY INDICATOR FOR #1 TANK PER B737-800 AMM 28-41-61.
#2 FUEL QTY IND @ REFUEL PANEL BLANK. GROUNDED - YES. CYCLED PWR - #2 FUEL QTY/IND RESTORED. OPS CK OK.
FA'S REPORTED LOUD ABNORMAL RUSHING AIR NOISE FROM L1 DOOR WITHIN FIRST SEVERAL THOUSAND FEET OF CLIMBOUT AND BELOW 10,000FT. MSL. CONTINUED TO HEAR NOISE WITH NO IMPROVEMENT ALL THE WAY TO FL 250 BEFORE BEGINNING DESCENT BACK INTO SEA. LOUD AIR NOISE ABLE TO BE HEARD ALL THE WAY BACK TO ROW 6, POSED COMMUNICATION/SAFETY ISSUE IF CONTINUED. FWD ENTRY AND ALL PRESSURIZATION INDICATIONS NORMAL ALL FLIGHT. GROUNDED - YES. AIR TURNBACK - FOUND LOWER FLAPPER ON DOOR HINGE BENT AND WILL NOT SEAL ON DOOR FRAME. ALSO FOUND THE DOOR SNUBBER MISSING A CONE RING TO HELP GUIDE THE FLAPPER. RMVD & RPLD FWD ENTRY DOOR SNUBBER ASSY REF B737-800 AMM 52-11-51. RMVD & RPLD LWR FLAPPER HINGE COVER ASSY REF AMM 52-11-00. OPS NORMAL. PRESSURIZED A/C NO DOOR SQUEAL NOTED. A/C OK FOR CONT SVC.
ACCOMPLISHED HP COMPRESSOR BORESCOPE INSPECTION, FOUND STAGE 4, BLADE #6 HAS A TEAR THAT'S BEYOND REPAIRABLE LIMITS (B737-800 AMM72-00-00-300-801-F00) BLADES #10, 14 + 31 ALSO HAVE SIGNIFICANT DAMAGE. GROUNDED - YES. REMOVED #1 ENGINE S/N # 894-257 REF W/O # 1930831 T/C # 78471000.
LEFT HORIZONTAL STABILIZER LOWER SKIN CRACKED AT STAB STA. 129.5 24" FWD IF THE AFT SPAR. APPROX. 1.250" LONG (AS MARKED). GROUNDED - YES. REPAIRED LEFT HORIZONTAL LOWER SKIN AT STAB STA 129.5", 24" FWD OF AFT SPAR USING MAT: 2024-T3 .100" ALCLAD DOUBLER AND 2024-T3 .071" ALCLAD FOR FILLER. REMOVED AND INSTALLED PANELS 331B AND 335A ALL WORK ACCOMPLISHED IAW B737-SRM 55-10-01-2R-11 REPAIR 11. B737-800 AMM 55-10-00-000-801, AMM 55-10-00-400-801, AMM 27-41-21-000-801, AMM 27-41-21-400-801. THIS A CATEGORY B REPAIR 56,000 FLT CYCLES THRESHOLD.
HEADING KNOB SLEWS INTERMITTENTLY. GROUNDED - YES. REMOVED AND REPLACED DFCS MODE CONTROL PANEL AND OPS CHECK GOOD IAW ASA B737-800 AMM 22-11-34.
CA F/D FAILED AT G/S INTERCEPT ON ILS APP. GROUNDED - YES. REMOVED AND INSTALLED NEW #1 FCC PER B737-800 AMM 22-11-33/401.
WHILE PERFORMING ASA T/C 7827300, FOUND SHORT TIME FAULT ON ENG #1. FAULT 73-10011 INTERNAL EEC FAULT. DEFERRED FOR 50 FLT HRS PER T/C 7827300. GROUNDED - YES. PER ASA T/C 7827300, FAULT CODE 73-10011 INTERNAL EEC FAULT FOR ENG #1. DEFERRED FOR 50 FLT HRS. PERFORMED T/C 7827300, VERIFIED NO FAULTS MSG LOGGED FOR THE LAST 10 FLT LEGS ON #1 ENG ESN 894257. REF B737-800 FIM 73-21 TASK 801, #1 ENG EEC BITE TEST PASSED W/O FAULTS. REMOVED PLT DEFERRAL.
WHILE ACCOMPLISHING REFUELING PANEL OPERATIONAL TEST, FOUND ALL LOWER DIGITS OUT ON THE #2 TANK REFUEL INDICATOR. GROUNDED - YES. REMOVED & REPLACED #2 REFUEL INDICATOR. REF B737-800 AMM 28-41-61.
MAIN TANK #1 QTY IND AT REFUELING CONTROL PANEL INOP. GROUNDED - YES. REMOVED & REPLACED #1 REFUEL QUANTITY IND. ALL TESTS PASS. REF B737-800 AMM 28-41-61.
F/O'S MCDU DISPLAY HAS A SINGLE LINE ACROSS THE TOP OF DISPLAY. ALL ELSE FUNCTIONS NORMALLY. GROUNDED - YES. REMOVED AND REPLACED RH FMC CDU IAW B737-800 AMM 34-61-01-000-802 AND AMM 34-61-01-400-802, SOFTWARE CONFIGURATION GOOD IAW IPC34-61-01-03 SHEET 4, LH FMC CDU IS PN 174101-03-01 AND IS LOADED WITH SOFTWARE PN 3463-SMI-001-02, ETOPS GROUND FUNCTIONAL CHECK GOOD IAW AMM 34-61-01-400-802 AND AMM 34-61-01-400-801. PARAGRAPH D. CLEARS MEL 34-36L SEAMC AUSTIN NOTIFIED. NO AIRCRAFT CONFIGURATIONAL CHANGE.
LAND VERIFY LIBRARY TEST FAILED. A/C RELEASED PER MEL 22-20B. AUTOLAND SYSTEM INOP. GROUNDED - YES. ACCOMPLISHED DFCS LAND VERIFY SYSTEM TESTS REF B737-800 AMM 22-11-00/201. OPS CHECK GOOD. ALL TESTS PASS.
FWD L WINDOW HEAT OVERHEAT. GROUNDED - YES. REMOVED & REPLACED #1 WINDOW PER B737-800 AMM 56-11-11. PERFORMED WINDOW HEAT SYSTEM OPS TEST PER AMM 30-41-00, TEST GOOD. PERFORMED EXCESSIVE CABIN PRESSURE LEAKAGE TEST PER AMM 05-51-91, TEST GOOD NO LEAKAGE DETECTED.
PER T/C 78472000 #2 ENG. INLET INSP. #1 FAN DUCT PANEL IS LOOSE. GROUNDED - YES. TIGHTENED #2 ENG #1 FAN DUCT PANEL IAW B737-800 AMM 72-23-07.
FWD RHS EMERGENCY EXIT LIGHT ILLUMINATION LIGHT IS DIM. GROUNDED - YES. RELAMPED ILLUMINATION LIGHT ON RHS FWD EXIT DOOR - OPS CHK GOOD.
REF LP 60329342 WHILE ACCOMPLISHING LEAK CK FOR SENSE LINE ON RH PACK TRIM AIR VALVE FOUND 2EA 2-INCH CRACKS IN THE WATER SEPARATOR CONDENSOR TANK. GROUNDED - YES. REPLACED RH PACK CONDENSOR TANK PER B737-800 AMM 21-51-12. INSTALLATION TEST SUCCESSFUL. NO LEAKS.
ZONE TEMP H (CONT CABIN) ILLUMINATED, DID NOT RESET WITH QRH PROCEDURE. GROUNDED - YES. PERFORMED PTC BITE REF B737-800 FIM 21-62 TASK 801 FOUND #2 PZTC FAULTING "FLT DECK TRIM VALVE". CONTROLLER WOULD NOT RESET C/B RESET NO HELP. REPLACED CONTROL CABIN TEMPERATURE CONTROL VALVE PERB737-800 AMM 21-51-10 OP CHECKS GOOD AT THIS TIME. BITE CHECK CLEAR OF FAULTS AT THIS TIME.
AFT RH EMERGENCY EXIT OVERWING LT INOP. GROUNDED - YES. RELAMPED AFT RH EMERGENCY EXIT OVERWING LT, OPS CHECKS OK. REF B737-800 AMM 33-51-04.
DUCT PRESSURE SPLIT RIGHT SIDE 12 PSI @ 33K FEET LEFT 45 PSI @ 33K.INITIATED MIG 2C - 40-0027039. GROUNDED - YES. REPLACED #2 ENG 390 DEGREE PRECOOLER CONTROL VALVE SENSOR IAW B737-800 AMM 36-12-03. IDLE RUN #2 ENG SHOWS NO DUCT SPLIT AND HIGH POWER RUN OPS NORMAL. GROUND VERIFICATION COMPLETE.
WHILE PERFORMING T/C 78472010 ON #2 ENGINE FOUND ON THE ALL PLATFORMS THE WEIGHTS ALL DISLODGED. GROUNDED - YES. REPLACED ALL 24 PLATFORMS ON THE #2 ENG WHILE PERFORMING T/C 78472010.
GEN #2 DRIVE DISCONNECT CAUTION LIGHT ILLUMINATED AND SWITCH ACTIVATED. GROUNDED - YES. DIVERSION TIME - 60 MINUTES - REMOVED AND REPLACED #2 ENG IDG REFB737-800 AMM 24-11-11. OPS CHECK, LEAK CHECK GOOD.
#1 GENERATOR FAILED TO COME ONLINE. DRIVE LIGHT WENT OUT. GROUNDED - YES. OPERATED NO.1 ENG AND CONFIRMED FAULT. ACCOMPLISHED NO.1 GCU BITE TEST REF B737-800 FIM 24-21 TASK 801 AND FOUND "IDG FAULT." CLEARED GCU FAULT AND GOT A "GCU PASS" MESSAGE. REMOVED AND REPLACED #1 IDG IN REF TO B737-800 AMM 24-11-11. OPS AND LEAK CK GOOD.
FMC ANAMOLIES - 1. INCORRECT ALTITUDE & SPEED RESTRICTIONS ON ARRIVAL ROUTE LOADED FOR CHOSEN RUNWAY. 2. FMC AUTO - SELECTING APPROACH FEEDER ROUTE WITHOUT HUMAN INTERACTION. GROUNDED - YES. BITE CHECKED BOTH FMC L&R REF B737-800 FIM 34-61 TASK 801 W/ NO DEFECTS NOTED. VERIFIED CORRECT CURRENT NAV DATA BASE IS INSTALLED. ETOPS GND VERIFICATION TEST SUCCESSFUL.
BLUE MAINT LIGHT ILLUMINATED AFTER STARTING APU ON THE GROUND AFTER LANDING. GROUNDED - YES. APU BITE CHECK SHOWS MAINT MESSAGE 49-72104 DATA MEMORY MODULE SHOW CIRCUIT FAILURE CYCLED POWER TO AIRCRAFT & REPAIR CONFIRMED. CHECKED AND RELEASED PER MEL 49-99A. APU CONTINUOUS OPS POST MAINT. REF ACARS MESSAGE, PER SEAMC APU COLD SOAK START ACCOMPLISHED SUCCESSFULLY. THIS CLEARS MEL 49-99A.
NUMBER 2 AFT FUEL PUMP INOP. GROUNDED - YES. CHECKED GFI, NOT POPPED. OPERATED #2 AFT FUEL PUMP FOR SEVERAL HOURS AND CYCLED SEVERAL TIMES, OPERATES NORMALLY. SHOOK DOWN HARNESS IN WHEEL WELL WHILE PUMP WAS OPERATING, EVERYTHING WAS SATISFACTORY. PUMP, PRESSURE SWITCH, AND GFI PREVIOUSLY CHANGED.
EMERGENCY EXIT HANDLE FLOOD LIGHT AT SEAT ROW 15DEF AFT POSITION INOP. GROUNDED - YES. RELAMPED EMERGENCY EXIT HANDLE FLOOD LIGHT AT SEAT ROW 15DEF AFT POSITION REF AMM 33-51-01. OPS CHECK GOOD.
ALL LAVS DO NOT FLUSH. GROUNDED - YES. DIVERSION TIME 27 MINUTES - C/W B737-800 FIM 38-30 TASK 811 ON STEP F (3) A1,2 LAVS WORK. FOUND PLASTIC BAG OVER WATER SEPARATOR. CHECK ALL LAVS ALL BUT LAV G OPS GOOD. REF LOG 60226502 AFT L/H FWD LAV, (LAV "G" ) WONT STOP FLUSHING. ALWAYS SUCKING AIR. REPLACED AFT LAV L/H FWD "G" ASSY. OPS CHECKS GOOD. B737-800 AMM 38-32-01
CAPTAIN'S FMC SCREEN DOES NOT GET VERY BRIGHT. GROUNDED - YES. REMOVED AND REPLACED CAPTAINS CDU B737-800 AMM 34-61-01. OPS CHECK GOOD.
L1 DOOR EMERGENCY FLOOR PROXIMITY LIGHT DOES NOT TURN ON. GROUNDED - YES. TIGHTENED LIGHT BULB OPS NORMAL REF B737-800 AMM 33-29-00.
LH PACK TEMP CONTROL VALVE FAILED. GROUNDED - YES. PACK ZONE TEMPERATURE CONTROL BITE SHOWS LH PACK TCV FAILED. REMOVED TEMPERATURE CONTROL VALVE PER B737-800 AMM 21-51-10-000-801. INSTALLED TCV PER AMM 21-51-10-400-801 PERFORMED GROUND VERIFICATION TEST PER AMM 21-51-10-400-801. PARA F GROUND VERIFICATION TEST PASSED.
DES CHECK THE CONT CAB LIGHT OVERHEAD ILLUMINATED LIGHT. RESET WITH MASTER CAUTION RESET. QRH. NO FURTHER ACTION REQUIRED. GROUNDED - YES. PERFORMED PACK ZONE TEMP BITE PER B737-800 AMM 21-61-00-700-806-002, #2 CONTROLLER FAULT FLT DECK TRIM VALVE. REMOVED CNTRL CABIN ZONE TRIM AIR VALVE V143 PER B737-800 AMM 21-61-21-000-801. INSTALLED ZONE TRIM AIR VALVE PER AMM 21-61-400-801. PERFORMED VALVE CHECK PER SAME. OPS CHECKED GOOD. GROUND VERIFICATION TEST SUCCESSFUL.
LEFT PACK ILLUMINATES ON RECALL. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 21-53 TASK 801. SHOW TCV FAULT, AFTER RESET PZTC #1, LEFT PCK LIGHT NOT ACTIVE WITH RECALL TEST, OPS BOTH L& R PACK FOR SEVERAL MINUTES TO FULL COOL AND FULL WARM, RECALL TEST AND BOTH L & R PZTC BITE PASSED, B737-800 AMM 21-00-00.
CAPTAINS FMC DISPLAY IS DIFFICULT TO READ IN FULL SUNLIGHT, THE MAX BRIGHT SETTING SEEMS COMPROMISED AND INADEQUATE. SEA MNT & DISPATCH NOTIFIED VIA ACARS AT 15:45Z. GROUNDED - YES. CLEANED PHOTO CELL SENSOR ON CDU. OPS NORMAL REF. B737-800 AMM 34-61-01-400-802.
#1 ENG FUEL FLOW TRANSMITTER LEAKING. GROUNDED - YES. REPLACED THE #1 ENG FUEL FLOW TRANSMITTER, LEAK AND OPS CHECK GOOD REF B737-800 AMM 73-31-01/401.
WINDOW HEAT RIGHT SIDE OVERHEAT LIGHT ILLUMINATED IN FLIGHT (20 MIN AFTER T/O AT 30K FT). GROUNDED - YES. CYCLED SWITCH IAW QRH.
PER T/C 78472010 NR 1 ENGINE FAN BLADE LUBE PLATFORMS NR 3, 4, 10, 13, 17 AND 19 ELASTOMERS ARE MISSING BEYOND LIMITS. GROUNDED-YES. REMOVED AND REPLACED NR 1 ENGINE FAN BLADE LUBE PLATFORMS, PER TC 78472010.
PER T/C 78472010 NR 1 ENGINE FAN BLADE LUBE SPACER NR 4 ELASTOMER IS DISBONDED. GROUNDED-YES. REMOVED AND REPLACED NR 1 ENGINE FAN BLADE LUBE SPACER, PER T/C 78472010.
AT FL 380 CAPTAINS SIDE MCDU PANEL CALL FAIL AND MESSAGE OFST LIGHT APPEARED AND DISPLAY WENT BLANK. A BITE PASS MESSAGE APPEARED BRIEFLY, THEN WENT AWAY DISPLAY BLANK AGAIN FOR 10 SECONDS THEN ALL RETURNED TO NORMAL. GROUNDED-YES. PERFORMED BITE CKED ON MCDU AND NO FAULTS FOUND. A/C OK FOR SERVICE, REF B737-800 FIM TASK 34-61-00-810-804.
AUX PITOT ANNUNCIATED. GROUNDED-YES. PERFORMED B737-800 FIM TASK 30-31 801, PULLED 10 C/B'S AND RESET, FOUND THAT AUX PITOT PROBE IS BAD, NO RESISTANCE. REMOVED AND REPLACED AUX PITOT PROBE, PER B737-800 AMM 34-11-01. OPERATIONS CHECK GOOD, PER AMM 34-11-01. PERFORMED LEAK TEST OF AUX PITOT SYSTEM, PER AMM 34-11-00. PULLED AND CLOSED 10 C/B'S LEAK TEST PASSED & WITHIN LIMITS 52471. PERFORMED RESISTANCE TEST, PER AMM 34-11-01. RESISTANCE WITHIN LIMITS 67733. THIS CLEARS MEL 30-5E C/N 29019597. SEAMC MIKE NOTIFIED.
AFTER STARTING ENGINES "AUX PITOT" ILLUMINATED WITH CB FOUND OUT. GROUNDED-YES. PERFORMED C/B RESET PROCEDURE, REF B737-800 AMM 20-60-01, NO FAULTS NOTED. OPERATIONS CHECKED AUX PITOT HEAT SYSTEM, REF AMM 30-31-00-750-801, ALL TEST PASS. NO FAULTS NOTED.
HF-1 RADIO DISPLAYS "FAIL" UPON SELECTION. GROUNDED-YES. RESET HF-1 C/B, OPERATIONS CHECK HF-1 FUNCTION NORMAL, REF B737-800 AMM 23-11-21. OK FOR SERVICE.
IN FLIGHT MAIN TANK AFT NUMBER TWO FUEL LOW PRESSURE LIGHT ILLUMINATED. GROUNDED-YES. REF B737-800 FIM 28-22 TASK 805, FOUND R20 GFI TRIPPED. GVI OF NR 2 AFT PUMP CONNECTOR, NO DEFECTS FOUND. RESET NR 2 AFT PUMP C/B AND RESET GFI, BOOST PUMP OPERATED, BUT WITH IRREGULAR HUMMING SOUND. REMOVED AND REPLACED NR 2 AFT FUEL BOOST PUMP, IAW B737-800 AMM 28-22-41/401. NR 2 AFT FUEL BOOST PUMP OPERATIONS TESTED NORMAL AND LEAKS CHECKED OK.
AUTOTHROTTLE DISENGAGED INFLIGHT, WILL NOT RE-ENGAGE. GROUNDED-YES. PERFORMED A/T BITE PROCEDURE, REF B737-800 FIM 22-31 TASK 801, NO ACTIVE FAULTS FOUND. IN FAULT HISTORY FOUND FAULT MESSAGE NR 22-31688 (RATE MONITOR, CHAN -A), PER FIM 22-31 TASK 819 INTERMITTENT FAULT. PERFORMED A/T SYSTEM OPERATIONS TEST, NO CURRENT FAULTS. OPERATIONS CHECK GOOD, REF B737-800 AMM 22-31-00-710-801, ALL TEST PASS.
EMERGENCY AISLE LIGHT AT SEAT ROW 29 RT INOPERABLE. GROUNDED-YES. RELAMPED EMERGENCY AISLE LIGHT AT SEAT ROW 29 RT. OPERATIONS CHECK GOOD, IAW B737-800 AMM 33-51-03-960-801.
CAPT MCDU DISPLAY SCREEN INOP/BLANK. GROUNDED - YES. CAPT CONTROL DISPLAY UNIT CHECK ACCOMPLISHED IAW B737-800 FIM 34-61 TASK 804. CYCLED C/B & OPS CK CDU OK.
AFTER ENGINES STARTED ON PUSH BACK WE GOT A CONT CAB ZONE TEMP ANNUNCIATOR ON RECALL, BUT EXTINGUISHED WITH MASTER CAUTION RESET. GROUNDED - YES. PERFORMED B737-800 FIM 21-62 TASK 801 PTC BITE. RIGHT PTC FAULT LIGHT ILLUMINATED FOR FLT DECK TRIM VALVE IN BIT AND PREV FLT. LIGHT EXTINGUISHED ON VERIFY. FIM 21-62 TASK 832 STEP E(1)(A) STATES NO FURTHER ACTION NECESSARY. PERFORMED CABIN TEMP CONTROL AND INDICATION OPERATIONAL TEST, REF B737-800 AMM 21-61-00-700-807-002. OP CHECKS GOOD, FAULT LIGHT DID NOT RETURN AFTER INITIAL PTC RESET.
HF 2 SHOWS FAIL. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 23-11 TASK 802, HF2 OPS NORMAL. GROUND VERIFICATION GOOD.
WHILE ACCOMP. BIRD STRIKE BORO #2 ENG S/N 896473 FOUND COMPRESS DAMAGE @ HPC 3 & HPC 4 FURTHER INVESTIGATION FOUND 3RD STG VSV PINS MISSING @ 3 & 9 O'CLOCK POSITIONS WITH DAMAGE TO COMPRESSOR SPOOL (PINS BOUNCING AROUND) INITIAL BORO DEFERRAL WAS MIG2A- 12136518. GROUNDED - YES. #2 ENGINE REPLACED, REF W/O 1258981.
WHILE PERFORMING APU GENERAL VISUAL INSPECTIONS, FOUND RED BUTTON EXTENDED ON OIL FILTER INDICATOR. GROUNDED - YES. REMOVED AND REPLACED LUBE FILTER ELEMENT FOR APU. OPS CHECK GOOD PER B737-800 AMM 49-91-12. NO LEAKS NOTED.
FAULT LIGHT ILLUMINATED DURING APU START. GROUNDED - YES. ACCOMPLISHED APU BITE REF B737-800 FIM 49-60 TASK 810 FOUND FAULT 49-72104 DATA MODULE CIRCUIT FAILURE AND 49-41011 NO FLAME SHUTDOWN. ACCOMPLISHED GVI OF APU WIRE HARNESS REF FIM 49-70 TASK 807, NO DEFECT NOTED. REMOVED & REPLACED APU ECU IAW B737-800 AMM 49-61-12, FAULT 49-72104 STILL PRESENT. FOR BORROWED PART OF APU HARNESS R & R PER AMM 49-11-01. FAULT LIGHT CLEARED.
AFTER DEPARTING GATE IN SAN COULD NOT ARM THE AUTO THROTTLES TRIED RESETTING MCP FD SWITCHES BUT WOULD NOT ARM. GROUNDED - YES. A/T BITE FAULT HIST PAGE LOGGED MSG 22-31523 TARGET MONITOR ON FLT LEG 5 ONLY. REF B737-800 FIM 22-31 TASK 818, A/T BITE TEST ALL TESTS PASSED W/O FAULTS. REMOVED MEL 22-4B AND 22-99B.
AFTER START WITH BOTH ENGINES RUNNING UPON RECALL WE OBSERVED A LEFT PACK LIGHT. THE LIGHT DOES EXTINGUISH WHEN RESET. GROUNDED - YES. REMOVED AND REPLACED L/H TEMP CONTROL VALVE PER B737-800 AMM 21-51-10 OPS CHK GOOD NO LEAKS OR FAULTS NOTED.
DURING T/C 78273000 HAD #2 ENGINE FAULT, SHORT TIME, CODE 73-10902, T12 SIGNALS DISAGREE. GROUNDED - YES. REMOVED & REPLACED #2 ENGINE T12 SENSOR REF B737-800 AMM 73-21-05. GROUND TEST PASSED.
HF #1 FAIL GROUNDED - YES. PERFORMED BITE TEST B737-800 FIM 23-11 TASK 801 ON HF #1 LRU STATUS LIGHT GREEN, BITE PASSED, FAIL READOUT EXTINGUISHED IN FLIGHT DECK. CAPTAIN DID OPS CHECK, CHECK NORMAL, GROUND VERIFICATION SUCCESSFUL.
#1 ENG ING C/B "R" POPPED. GROUNDED - YES. FOUND CONNECTOR D30064 PIN 1 SHORTED TO GND WHEN SIDE LOADED. FOUND CONNECTOR PIN OUT NOT TO MATCH B737-800 WIRING DIAGRAM REF 74-11-11. REMOVED & REPLACED CONNECTORS D30062 AND D30064 AND RETERMINATED PINS AND PLUGS REF WDM 74-11-11. REMOVED & REPLACED DM19 REF WDM 74-11-11 AND SWPM 20-60-01, RESET #1 ENGINE IGN R C/B AND PERFORMED IGNITION AUDIBLE TEST (STS) 737-800 AMM 74-00-00 GND TESTS PASS. ACCOMPLISHED ENGINE FIRE DETECTION OPS TEST REF AMM 26-11-00. ALL GND TESTS PASS. ACCOMPLISHED EEC BITE REF B737-800 FIM 73-00 TASK 801. ALL TESTS PASS.
LEFT PACK LIGHT ILLUMINATED DURING RECALL CANCELS WITH MASTER CAUTION RESET. GROUNDED - YES. LEFT HAND PACK PRIMARY CONTROL INOP. ACCOMPLISHED ETOPS GROUND VERIFICATION TEST PER FIM 21-53 TASK 821 LEFT TCV FAULT RESET AND SUBSEQUENT OPS CHECK GOOD.
HF #1 INDICATES FAIL ON COM CONTROL PANEL. SEEMS TO TUNE AND RECEIVE OK BUT REVERTS TO FAIL AFTER SHORT AMOUNT OF TIME. GROUNDED - YES. HF #1 BITE CK SHOWS CONT INPUT FAIL. PERFORMED FIM 23-11 TASK 802 & FAULT CLEARED. GROUND FUNCTIONAL CK GOOD.
ON TAXI OUT, WE HAD A BIG RUSH OF AIR THROUGH THE VENTS. NO ASSOCIATED WARNING LIGHTS. DUCT PRESSURE APPEARED NORMAL. WE TURNED OFF BOTH PACKS SO WE COULD HEAR EACH OTHER. IT SEEMED THE ONLY PACK THAT PRODUCED ANY AIRFLOW WAS THE LEFT PACK. GROUNDED - YES. UPON INSPECTION, FOUND A SIGNIFICANT WATER LEAK COMING FROM THE RT WATER COLLECTOR MANIFOLD. PERFORMED WATER SPRAY NOZZLE CHECK REF AMM 21-51-16-200-801. DETERMINED RT WATER SPRAY NOZZLE TO BE CLOGGED OR BLOCKED. REMOVED AND REPLACED RH WATER SPRAY NOZZLE REF AMM 21-51-16. RAN LT AND RT PACK FOR 15 MINUTES WITH APU. NO AIR RUSH NOTED IN COCKPIT. RAN RH PACK ONLY FOR 15 MINUTES. NO DEFECTS NOTED. REF AMM CH. 21-51-00. PRECAUTIONARY PERFORMED RT PACK TEMP CONTROLLER BITE TEST. NO DEFECTS NOTED REF AMM 21-51-00. ETOPS GROUND VERIFICATION TEST PASSED.
WHEN TURNING ON WX RADAR, WX STAB ILLUMINATES FOLLOWED BY WX FAIL ABOUT 5 SECONDS LATER. WX RADAR WILL NOT TURN ON IN ANY MODES. GROUNDED - YES. FOUND THAT WXR RT NOT SECURED IN RACK. SECURED WXR RT. OPS TEST REF FIM 34-43-00-710-802-001 TESTS OK.
#1 PACK ILLUMINATED ON MASTER CAUTION RECALL LIGHT EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. INITIAL BITE HAD RAM AIR ACT FAULT LIGHT. WAS ABLE TO RESET #1 PACK CHECKS GOOD IN REF TO AMM 21-51-00.
WHILE ACCOMP TC 78472010 FOUND PLATFORM ELASTOMER DAMAGE BEYOND 40" #1 ENG POSN. GROUNDED - YES. REPLACED ALL 24 PLATFORMS REF T/C 78472010 SUBTASK 839-095.
WHILE ACCOMP TC 78472010 FOUND 4 SPACERS WITH DISBOND ON 2 AREAS. GROUNDED - YES. REPLACED THE 4 SPACERS REF T/C 78472010 SUBTASK 839-046.
#1 ENG MAINT MSG 75-20541 REQUIRES FAULT RECHECK TO CONFIRM "ECONOMIC" FAULT STATUS. GROUNDED - YES. ALTERNATE DEACTIVATION PROCEDURES USED PER CH. 5 TABLE 3 ITEM 8+9 FOR #1 ENG. PULLED/COLLARED 4 C/BS. ACCOMPLISHED FIM 75-22 TASK 802. REMOVED AND REPLACED EEC PER B737-800 AMM 73-21-60/401. REMOVED COLLARS/RESET 4 C/BS. ALL OPS CKS GOOD. ALTERNATE DEACTIVATION PROCEDURES REVERSED.
RIGHT CENTER TANK FUEL LOW PRESSURE LIGHT ILLUMINATED AND REMAINED ON. CENTER TANK FUEL QUANTITY 1.24. RAN QRH CHECKLIST. GROUNDED - YES. REMOVED AND REPLACED CENTER RIGHT FUEL BOOST PUMP PRESSURE SWITCH REF B737-800 AMM 28-42-11. ACCOMPLISHED OPS TEST REF AMM TASK 28-42-11-700-801, NO LEAKS NOTED, OPS TEST GOOD AIRCRAFT RETURNED TO USUAL CONDITION.
NR 2 ENGINE HIGH STAGE BLEED VALVE HAS BROKEN MANUAL OVERRIDE NUT LOCK. GROUNDED - YES. REMOVED AND REPLACED NR 2 ENGINE HIGH STAGE VALVE REF AMM 36-11-06-000-801 AND 36-11-06-400-801.
AT CRUISE AT 360, ABOUT 4 HOURS INTO FLIGHT, LH FMC MCDU SCREEN WENT BLANK AFTER FLASHING SEVERAL TIMES. WAS OUT ABOUT ONE MINUTE. CAME BACK ON AND WORKED NORMALLY NO VTK, MAP OR SINGLE FMC MESSAGE ON DISPLAYS OR RH FMC. GROUNDED - YES. COMPLIED W/ FMC RESET PER B737-800 FIM 34-61 TASK 836 AND OPS CHECK NORMAL. ETOPS GROUND VERIFICATION TEST SUCCESSFUL.
ROW 16 EXIT LIGHT COVER MISSING. GROUNDED - YES. INSTALLED NEW EXIT LIGHT COVER AT ROW 16DEF, REF B737-800 AMM 33-51-01.
LEFT SIDE WINDOW OVERHEAT IN CLIMBOUT. QRH COMPLIED WITH LIGHT EXTINGUISHED. GROUNDED - YES. COMPLIED WITH B737-800 FIM 30-41 TASK 801 NO FAULTS FOUND ON BITE CK. WINDOW HEAT OP TEST NORMAL REF AMM 30-41-00-710-801.
#1 HF RADIO WILL NOT TRANSMIT. GROUNDED - YES. ACCOMPLISHED HF ANTENNA ELECTRICAL BOND CHECK REF B737-800 AMM 23-11-51-760-801, NO FAULTS NOTED. REMOVED & REPLACED BOTH #1 & #2 HF ANTENNA COUPLER REF AMM 23-11-61, GROUND FUNCTIONAL CK NML. AIRCRAFT RELEASED FROM MEL 23-11C.
L1 DOOR EXTERIOR EMERGENCY LIGHT INOP. GROUNDED - YES. RELAMPED EMERGENCY LIGHT OPS CHEKED GOOD REF AMM 33-51-04.
LEFT PACK CAUTION LIGHT ILLUMINATES ON MASTER CAUTION RECALL. UPON PRESSING MASTER CAUTION PRESS TO RESET LIGHT DOES RESET/GO OUT. GROUNDED - YES. ACCOMPLISHED NR 1, NR 2 PZTC BITE TET PER AMM 21-61-00-700-806-002, NR 2 PZTC TEST PASSED, NO FAULT NOTED, NR 1 PZTC FAULTED TCV, RESET NR 1 PZTC, RECALL TEST PASSED, NO ACTIVE FAULT, NORMAL INDICATION RESTORED, CLEARS MEL 21-32B.
WHILE TESTING THE HF RADIOS, HF1 HAS NO STATIC AND WAS NOT TUNING, AND HF2 HAD STATIC BUT COULD NOT TUNE. GROUNDED - YES. BOTH HF RT'S BITE CK NORMAL. CYCLED POWER TO BOTH HF'S. NR 1 OPERATION RETURNED TO NORMAL. NR 2 WILL NOT CHANNELIZE, REC OK. RELEASED PER MEL 23-11C, BOTH HF'S INOP. CAPTAIN'S RTP REMOVED AND REPLACED REF AMM 23-12-41. OPERATIONAL CHECK OF HF NR 1 AND HF NR 2 GOOD. THIS CLEARS MELS 23-11C.
EXIT SIGN ABOVE R1 FELL OFF, NEEDS REATTACHED. GROUNDED - YES. REINSTALLED AND SECURED EXIT SIGN AT R-1 DOOR IAW AMM 33-25-00. OPS CK OK.
AIRBORNE, BOTH HF NR 1 AND HF NR 2 NEITHER RADIO WOULD TUNE, NO TUNING SIDETONE FOR EITHER RADIO. WE COULD HEAR CONVERSATION ON BOTH HF RADIOS. NEITHER L OR R WOULD TUNE OR TALK ON EITHER RADIO. GROUNDED - YES. PERFORMED HF BIT CHECK ON HF NR 1 AND HF NR 2 REF FIM 23-11 TASK 801. BITE CHECKS PASSED - CYCLED NR 1 HF AND NR 2 HF C/B`S AND PERFORMED HF SYSTEM TEST ON HF NR 1 AND NR 2, BOTH SYSTEMS GROUND VERIFICATION NORMAL, REF AMM 23-11-00. AIRCRAFT OK FOR SERVICE.
UPON ENGINE START NR 2 ENGINE NO ROTATION WITH GOOD DUCT PRESSURE, NR 1 ENGINE START NORMAL. GROUNDED - YES. REMOVED AND REPLACED NR 2 ENGINE STARTER AND START VALVE REF AMM 80-11-01 AND 80-11-03, LEAK AND OPS CHECK GOOD.
#1 ENG DOES NOT SHOW EGT INDICATION ON ENGINE START. GROUNDED - YES. SWAPPED IGNITION BOXES - RIGHT C/B CONTINUES TO POP. SWAPPED LEADS, SAME RESULTS IN ALL 3 START POSITIONS. A/C RETURNED TO ORIG CONFIG EXCEPT IGN BOXES REMAIN SWAPPED POSITION. FOUND PIN 14 OF D30062 BURNED, ALSO PINS 4&5 OF D30064 BURNED.ACCOMPLISHED TEMPORARY REPAIR PER EA #800-74EA-21239. MTX GRD RAN #1 ENGINE, EGT IND NML REF B737-800 AMM 71-00-00.
SATCOM LOST DURING FLIGHT. GROUNDED - YES. ACCOMPLISHED SATCOM LOCK-UP QRH PROC & SATCOM RESTORED.
DURING PRE-FLIGHT HAD "OVERHEAT" LT ILLUM FOR R2 WINDOW. ACCOMPLISHED QRH PROC & TURNED IT OFF FOR MORE THAN 6 MINUTES. WINDOW WAS STILL HOT TO TOUCH AND "OVERHEAT" LT ILLUM. AGAIN IMMEDIATELY AFTER TURNING THE SWITCH TO "ON" AGAIN. GROUNDED - YES. INTERROGATED WHCU BOX AND FOUND "WINDOW SENSOR" FAULT REF FIM 30-41 TASK 801. ALSO FOUND R2 WINDOW DELAMINATION IN CENTER OF WINDOW APPROX 8"X8" AND NOT WITHIN LIMITS PER AMM 56-12-11. REMOVED AND REPLACED R2 WINDOW REF AMM 56-12-11. PERFORMED LEAK CHECK PER AMM 05-51-91. NO LEAKS NOTED. PERFORMED WINDOW HEAT SYSTEM OPS CHECK PER AMM 30-41-00. OPS CHECK GOOD. NO OVERHEAT LIGHT NOTED.
PRESS CONTROL DISPLAY VERY DIM. GROUNDED - YES. CYCLED AUTO PRESSURIZATION CONTROL MODULE C/B'S AND PRESSURIZATION CONTROL PANEL BRIGHT/DIM FUNCTION OPS CK GOOD REF FIM TASK 21-31-00-810-803.
L-1 DOOR VERY HARD TO CLOSE. "FWD ENTRY" LIGHT DOES NOT EXTINGUISH ON OVERHEAD PANEL. GROUNDED - YES. ACCOMPLISHED FWD ENTRY DOOR ADJUSTMENT ON L1 DOOR GUIDE ARM (UPPER ARM) REF AMM TASK 52 11 00 820 801 (H) SUBTASK 52 11 00 820 029. OPERATIONAL CHECK OF L1 DOOR GOOD AT THIS TIME. "FWD ENTRY" LIGHT EXTINGUISHES UPON CLOSURE.
PRESSURIZATION CONTROL PANEL DIGITS DO NOT DIM WHEN LIGHTS SELECTED DIM. OUTFLOW VALVE INDICATOR IS BLANK. GROUNDED - YES. PERFORMED FIM 21-31 TASK 803 K. OPS NORMAL OK FOR SERVICE.
ON CLIMBOUT - FMC MESSAGE "VNAV INVALID PERF". FMC HAD DROPPED THE COST INDEX OUT. AFTER REINSTALLING COST INDEX NORMAL OPS. GROUNDED - YES. PERFORMED FIM 34-61 TASK 807 AFTER RESET BOTH FMC'S CAME UP NORMAL.
PRESSURIZATION PANEL BACKLIGHTING INOP, OUTFLOW VALVE INDICATOR INOP, LCP ALTITUDE DISPLAYS DO NOT DIM. GROUNDED - YES. CYCLED ELEC PWR PER B737-800 AMM 20-60-99 AND ALL INDICATIONS RETURNED TO NML. BACKGROUND / LCD DISPLAYS AND OUTFLOW VALVE INDICATE AND OPS NML PER AMM 21-31-00.
WHILE ACCOMPLISHING T/C 78273000, FOUND ECONOMIC FAULT ON THE NR 1 ENG, MSG 73-30301 INTERNAL EEC FAULT THE PMUX SIGNALS DISAGREE. GROUNDED - YES. REMOVED AND REPLACED NR 1 EEC IAW AMM 73 21 60 000 801 F00 AND 73 21 60 400 801 F00, OPS CKS GOOD IAW AMM 71 00 00 800 81 F00 AND 73 21 00 700 802 F00.
AFT CARGO COMP LT Z CHANNEL AT STA 727I HAS CORR AND IS CRACKED. GROUNDED - YES. REMOVED CORR ON AFT CARGO COMP LT Z CHANNEL AT STA 727I, FOUND TO BE OUT OF LIMITS DUE TO 100% MATL LOSS IAW SRM 53 00 53 1A 2 STEP 2D AND FIG 103 DETAIL D. REMOVED CORRODED AND CRACKED 2 CHANNEL, REPAIRED AND INSTALLED NEW 2 CHANNEL IAW SRM 53 00 53 2R 5 REPAIR 5 STEPS 4.B,C,D,E,F,G,H,I,J,K,L,M W 1 O .040 R .00 L 3.00 D .040.
AFT CARGO DOOR CUTOUT SELL WEB HAS CORR. GROUNDED - YES. REMOVED AND REPLACED AFT CARGO SILL WEB IAW SRM 51 40 02 06 0, PG 42, FIG 11 AND PG 39, FIG 9 W .009" O .056" R .041" L 2.00" D .015.
LT HORIZ LOWER SKIN HAS A CRACK AT STA 166. GROUNDED - YES. REPAIRED LT HORIZ LOWER SKIN IAW ARM 55 10 01 2R 11 REPAIR IS CATEGORY B WITH THRESHOLD OF 56,000 CYCLES WITH INSPECTION INTERVALS EVERY 9,000 CYCLES/.
FASTENER HOLES ON 986.5 FLOORBEAM CORRODED ON BOTH LT AND RT ENDS. GROUNDED - YES. REPAIRED STA 986.5 FLOORBEAM IAW EA 53EA 20819 W 1" O .150" R .120 L 2" D .030".
#2 ENG HYD LOW PRESS LIGHT AFTER PUSHBACK AND FLAPS SET TO 5 DEGREES. HYD B QTY DROPPED TO 78%. GROUNDED - YES. FOUND PRESSURE LINE FROM ENGINE-DRIVEN PUMP DAMAGED AT PYLON, REMOVED AND REPLACED PRESSURE LINE. PERFORMED GROUND VERIFICATION AND LEAK CHECK, GOOD REF B737-800 AMM 29-11-11-400-801-001 & 71-00-00-700-821-F00, BLED AND RESERVICED B SYSTEM RESERVOIR, REF AMM 12-12-00.
DURING PREFLIGHT, FOUND THE AUTO FAIL & MANUAL LIGHTS ILLUMINATED ON PRESSURIZATION CONTROL PANEL. ACFT GROUNDED. REPOSITIONED PRESSURIZATION MODE TO MANUAL & BACK TO AUTO, LIGHTS EXTINGUISHED. PERFORMED A BITE ON DCPC, FOUND NO FAULTS IAW FIM 21-31, TASK 801.
AUTO THROTTLES WILL NOT STAY ENGAGED. ACFT GROUNDED. ACCOMPLISHED AN AUTOTHROTTLE BITE IAW FIM 22-31, TASK 801. CURRENT FAULTS SHOWS MESSAGES 22-31512, AND 22-31514, NO EEC DATA. ACCOMPLISHED FIM 22-31, TASK 806. EEC BITE SHOWS NO FAULTS, EEC GROUND TEST SHOWS NO FAULTS, AUTOTHROTTLE BITE SHOWS NO CURRENT FAULTS. CDS BITE SHOWS NO FAULTS. OPS TESTED NORMAL.
L1 DOOR WAS DIFFICULT TO CLOSE AND DOES NOT APPEAR TO BE FLUSH WITH DOOR HANDLE FULLY IN CLOSED POSITION. ALSO A VERY LOUD GRINDING SOUND WHILE DOOR LOCK IS BEING ENGAGED. ACFT GROUNDED. PERFORMED AMM 52-11-00-820-801, STEP 2. G92, H(1) (A-B) (C) 11)., VERIFIED ALL MEASUREMENTS WITHIN LIMITS AND NO ADJUSTMENTS REQUIRED. ALSO PERFORMED STEP 2.M (1-2) METHOD 1, NO ADJUSTMENTS NEEDED AND VERIFIED ALL MEASUREMENTS WITHIN LIMITS. ALSO FOUND UPPER DOOR HINGE, UPPER AND LOWER CAM PLATES DRY, APPLIED LUBRICATION AND NO FURTHER DEFECTS, DOOR OPS NORMAL.
DURING CRUISE "FMC" AND "VTK" ANNUNCIATED ON F/O NAV DISPLAY. GROUNDED - YES. PERFORMED FIM TASK 836 PART E. OPS CHECK NORMAL ALL SYSTEMS NORMAL.
DURING CRUISE, SYSTEM A HYD QTY SHOWED APPROXIMATELY 71%. SYSTEM A FLUCTUATED FROM MID 70% TO AS LOW AS 61% IN A TIME SPAN OF 10 TO 15 MINUTES. THE SYSTEM A PRESSURE FLUCTUATED WILDLY BETWEEN 3060 LBS TO 3010 LBS DURING THE SAME TIME PERIOD. ON RETURN, THE A SYSTEM RATE OF 1% QTY DECREASE WAS NOTED EVERY 5 MINUTES. ACFT GROUNDED. RAN A AND B SYSTEM HYDRAULICS FOR 1 HOUR. INSPECTED ELEVATOR FEEL COMPUTER, NO LEAKS FOUND. MOVED ELEVATOR, NO PRESSURE OR QUANTITY FLUCTUATIONS NOTED. COCKPIT QUANTITY INDICATION MATCHES QUANTITY SHOWN ON RESERVOIR.
DURING GVI OF RT PACK AND RAM AIR SYSTEM, FOUND RT PRIMARY PLENUM HEAT EXCHANGER DIFFUSER CHECK VALVE DOOR AND HINGE MISSING, AND DEPARTED AIRCRAFT. REF L/P 11933022 FOR PARTS DEPARTING A/C CONDITIONAL INSPECTION. GROUNDED - YES. REPLACED MISSING DOOR AND HINGE LISTED ABOVE REF CMM 21-50-70.
RIGHT PACK LIGHT ILLUMINATED ON DEPARTURE. GROUNDED - YES. COMPLETED QRH PROCEDURE. OPS NORMAL.
RIGHT PACK LIGHT ILLUMINATED AT TAKEOFF. RAN QRH CHECKLIST. LIGHT EXTINGUISHED WITH QRH CHECKLIST PROCEDURE. ACFT GROUNDED. OPS TESTED THE RIGHT A/C PACK IAW AMM 21-00-00-800-803, OPS TESTED GOOD. LIGHT DID NOT ILLUMINATE.
DURING CLIMB, THE LT RAM AIR DOOR OPEN LIGHT REMAINED ILLUMINATED UNTIL PASSING 13,000 FT. DURING DESCENT, LIGHT REMAINED EXTINGUISHED UNTIL AFTER LANDING. ACFT GROUNDED. VERIFIED THE LT RAM AIR MODULATION DOOR DOES NOT RESPOND TO FLAP HANDLE MOVEMENT WITH ACFT IN AIR MODE. IAW FIM 21-51, TASK 803. REMOVED AND REPLACED THE S1051 TE FLAP UNIT SWITCH IAW AMM 27-51-63-400-801. ADJUSTED S1051 SWITCH IAW AMM 27-51-63-710-803.
RIGHT PACK LIGHT WENT ON IN FLT. CHECKLIST CALLED FOR TRIP RESET. PACK LIGHT OFF. ACFT GROUNDED. PERFORMED A PACK - ZONE TEMPERATURE CONTROLLER BITE TEST IAW AMM 21-61-00, OPS CHECKED NORMAL. NO FAULTS LOGGED. NO HISTORY 90 DAYS. OK FOR CONTINUED SERVICE.
FMCS CYCLE ON & OFF WITH VTK ILLUMINATING ON THE CAPTAIN'S ND. ACFT GROUNDED. CYCLED POWER TO BOTH FMC, OPS RESTORED. OK FOR SERVICE. IAW FIM 34-61.
AFTER NR 2 ENGINE START, AMBER TEMP PROBE ILLUMINATED. ACFT GROUNDED. REPLACED THE TAT PROBE. OP CHECKED NORMAL IAW FIM 30-31 / 810, AMM 34-21-06-00-801, & AMM 34-21-06-400-801.
NR 1 ENGINE HAS REOCCURRING REPORTS OF FAULT MESSAGE 73-31371 BEING SET. INDICATION SYSTEM TROUBLE-SHOOTING HAS BEEN PREVIOUSLY ACCOMPLISHED. PRI: 2 ETOPS SIGNIFICANT SYSTEM EC/TC PWRPL-73CMPT-07267-2. GROUNDED - YES. REPLACED UPPER 11 FUEL NOZZLES PER T/C PWRPL-73-CMPT-07267-2, NO FAULTS NOTED.
FOUND MAINT CODE 73-31371 ON THE NR 1 ENGINE UPPER EGT SECTORS READING HIGH. ACFT GROUNDED. PERFORMED FMC CDU FAULT TEST/EEC BITE TEST IAW AMM 73-21-00, NO FAULT DETECTED. SYSTEM OP CHECKED GOOD.
FOUND THE NR 1 ENGINE ECONOMIC FAULT CODE 73-31371, UPPER EGT SECTORS READING HIGH. ACFT GROUNDED.
FOUND THE NR 1 ENGINE RECENT ECONOMIC FAULT CODE 73-11371, UPPER EGT SECTORS READING HIGH. ACFT GROUNDED. ACCOMPLISHED T/C 78273000, NR 1 ENGINE HAS NO FAULTS ACTIVE.
HF2 SHOWS FAIL IN ACTIVE AND STANDBY WINDOWS. GROUNDED - YES. ACCOMPLISHED FIM 23-11 TASK 802, HF'S OPS NML. GROUND VERIFICATION GOOD.
DIAGNOSTIC REPORTED THE NR 2 ENGINE HAS HAD AN INCREASE IN OIL PRESSURE. ACFT GROUNDED. ACCOMPLISHED INDICATING SYSTEM FOR ENGINE OIL PRESSURE, EEC BITE CHECK IAW FIM 73-00 TASK 801. NO FAULTS FOUND. ACCOMPLISHED INSPECTION OF OIL DAMPENING TUBE FOR BLOCKAGE. NO SIGNS OF BLOCKAGE. REPLACED THE OIL INLET COVER IAW AMM 72-56-00-400, FOUND GASKET LEAKING. ACCOMPLISHED ENGINE POWER RUN IAW AMM 71-00-00-700-823-F00, THE OIL PRESSURE INDICATION IS WITHIN LIMITS IAW AMM 71-00-00-800-806-F00.
TWO FOOT FLAME REPORTED OUT OF THE NR 1 ENGINE NOZZLE ON SPOOL UP AT 40%, WENT AWAY AT TOGA. TOWER REPORTED FLAME, ABORT WAS ACCOMPLISHED AT 40KTS, THE ENGINE HAS BEEN RUNNING FOR 5 OR MORE MINUTES, NO FLIGHT DECK INDICATIONS. ACFT GROUNDED. ACCOMPLISHED FAULT ISOLATION PROCEEDURES FOR ACCUM IN THE CTR PLUG CAVITY IAW FIM 71-05 TASK 811. NO DEFECTS FOUND WITH AFT SUMP, FLAME ARRESTOR INSPECTED MAGNETIC CHIP DETECTOR, SHOWED NO ABNORMAL DEBRIS. ACCOMPLISHED EEC BITE IAW FIM 73-00 TASK 801. NO FAULTS FOUND. RAN ACFT ENGINES TO 80 PERECENT FOR FIVE MINUTES WITH MAINTENANCE VISUAL ON THE NR 1 ENGINE, NO DEFECTS NOTED. VISUALLY INSPECTED FWD & AFT NR 1 ENGINE IAW FIM 71-05 TASK 801. NO DEFECTS NOTED. ACCOMPLISHED AFT SUMP OIL SYSTEM INSPECTION IAW AMM 79-00-00-200-806-F01. FOUND OIL INLET COVER LEAKING AND WORN. VISUALLY INSPECTED FWD & AFT NR 1 ENGINE IAW FIM 71-05 TASK 801. NO DEFECTS NOTED. REMOVED AND REPLACED TURBINE REAR FRAME OIL INLET COVER IAW AMM 72-56-00-000-802-F00, AND 72-56-00-400-801-F00. ACCOMPLISHED POWERPLANT TESTS IAW TABLE TEST 3A, IDLE LEAK CHECKED GOOD.
SATCOM LOCKUP GROUNDED - YES. PERFORMED SATCOM LOCK-UP QRH PROCEDURE. PROCEDURE WAS SUCCESSFULLY DONE. REF FLIGHT OPERATIONS MANUAL PG. 8 SECTION 10.400.
ENGINE BITE TEST SHOWS ECONOMIC FAULT CODE 73-31371 MESSAGE. UPPER EGT SECTORS READING HIGH. ACFT GROUNDED. ACCOMPLISHED INITIAL EVALUATION OF FIM 73-11, TASK 801, FOR THE NR 1 ENGINE. SECTORS 1 & 4 PARAMETERS WITHIN 100 DEGREES OF SECTORS 2 & 3. EEC TEST PASSED WITH NO FAULTS. NO MX MESSAGES IN RECENT FAULTS.
FMC CDU NR 1 ENGINE FAULT 73-21371 FOR UPPER EGT SECTORS READING HIGH, ECONOMIC FAULT, ACFT GROUNDED. ACCOMPLISHED INITIAL EVALUATION OF FIM 73-11, 801. SECTORS 1 & 4 PARAMETERS WITHIN 100 DEGREES OF SECTORS 2 & 3. EEC TEST PASSED WITH NO FAULTS. NO MX MESSAGES IN RECENT FAULTS.
NR 1 ENGINE HAS FAULT 73-31371, UPPER EGT SECTORS READING HIGH. ECONOMIC FAULT. ACFT GROUNDED. ACCOMPLISHED INITIAL EVALUATION OF B737-800 FIM 73-11 TASK 801 FOR #1 ENGINE. SECTORS 1 & 4 PARAMETERS WITHIN 100 DEGREES OF SECTORS 2 & 3. EEC TEST PASSES WITH NO FAULTS. NO MX MESSAGES IN RECENT FAULTS.
BLUE APU MAINT LIGHT ILLUMINATED. WHEN STARTING APU AFTER LANDING THE APU SEEMS TO OPERATE NORMALLY. ACFT GROUNDED. COMPLIED WITH FIM 49-90, TASK 804. FAULT CLEARED, OK TO CONTINUE SERVICE.
WHILE PERFORMING T/C 78273000, FOUND FAULT 73-31371 FOR THE NR 1 ENGINE. ACFT GROUNDED. VERIFIED FAULT STILL ACTIVE, PERFORMED A T49.5 SYSTEM CHECK IAW AMM 77-21-200-801-F00. S1 AND S4 FOUND OUT OF LIMITS. REPLACED IAW AMM 77-21-01-400-801-F00. OPS NORMAL.
AFTER TOUCHDOWN, ELEC ANNUCIATOR ILLUMINATED ON THE OVERHEAD PANEL ALONG WITH MASTER CAUTION AND ELEC SIX PACK LIGHT. ALL OTHER INDICATIONS APPEARED NORMAL. ACFT GROUNDED. PERFORMED FIM 24-31, TASK 801. MX MESSAGE SPCU INOPERATIVE LOGGED. CLEARED FAULT, BITE CHECK PASSED. FOUND TO BE INTERMITTENT FAULT.
EMERGENCY LIGHT BATTERY PACK M1670 FAILED TO TEST. ACFT GROUNDED. REMOVED AND REPLACED THE POWER SUPPLY IAW AMM 33-51-06-960-806, OPS NORMAL.
EMERGENCY LIGHT BATTERY PACKS M1675 AND M1695 FAILED TO TEST. ACFT GROUNDED. REMOVED, REPLACED, AND TESTED THE BATTERY PACKS, OPS NORMAL IAW AMM 33-51-06-960-805
NR 2 ENGINE FWD LINK ON PRSOV WORN. ACFT GROUNDED. REPLACED THE NR 2 ENGINE UPPER DUCT FWD SUPPORT LINK ON PRSOV IAW AMM 36-11-01.
FLIGHT ATTENDANT REPORTED A RUBBER LIKE ODOR IN THE FWD GALLEY NEXT TO THE FLIGHT DECK DOOR. HAD NO ODOR IN THE FLIGHT DECK. CHECKED THE FWD GALLEY AND NOTICED A SLIGHT ODOR, ACRID. PULLED THE CIRCUIT BREAKER FOR THE COFFEEMAKER. ACFT GROUNDED. ACCOMPLISHED CABIN ODOR TROUBLESHOT IAW TASK 05-51 TASK 814. FOUND THE NR 1 GALLEY LWR COFFEEMAKER CONNECTOR PIN E WITH SIGNS OF OVERHEATING CONDITION. CHECKED, CIRCUIT BREAKER PULLED & COLLARED IAW CMM 25-34-14 PG 117. THE COFFEEMAKER WAS REMOVED IAW MM 25-32-01.
DURING NR 1 ENGINE START, VERY LOW N2 ROTATION TOPPING OUT AT 2.7%. START VALVE OPEN LIGHT DID ILLUMINATE. ACFT GROUNDED. REMOVED & REPLACED THE NR 1 START VALVE. OPS CHECKED GOOD.
NR 2 ENGINE RT VSV ACTUATOR DRAIN LINE FOUND LEAKING AT IDLE. LEAK CHECKED, 110 DROPS PER MINUTE. ACFT GROUNDED. REMOVED AND REPLACED THE RT VSV ACTUATOR IAW AMM 75-31-01, AND AMM 75-31-01-400-802-F00. ACCOMPLISHED TESTS IAW AMM 71-00-00-800-811-F00, TABLE 502.
WHILE SERVICING ENGINES OIL, FOUND NR 1 & 2 ENGINES OIL FILLER CAPS LOOSE IN A LATCHED POSITION. ACFT GROUNDED. REMOVED AND REPLACED OIL FILLER CAPS IAW AMM 79-11-01-300-801-F00.
NR 2 ENGINE AT IDLE, RUNS 40-50 DEGREES C HOTTER THAN NR 1. AT IDLE NR 2 N1 FLUCTUATES +1.3% TO -0.5% FROM A STABLE NR 1 ENGINE N1. VIBRATION ON NR 2 CYCLED FROM 03. SAME AS NR 1 TO 0.8 ON NR 2. ACFT GROUNDED. RAN BOTH ENGINES, COULD NOT DUPLICATE DISCREPANCY. BOTH ENGINE PARAMETERS STABLE WITH NO FLUCTUATION. AS A PRECAUTIONARY MEASURE, REMOVED AND REPLACED THE NR 2 ENGINE BLEED AIR CHECK VALVE IAW AMM 36-11-02-000-801, AND AMM 36-11-02-401-801. OPS AND LEAK TESTED GOOD, RAN BOTH ENGINES AND ENGINE PARAMETERS NORMAL WITH NO FLUCTUATION.
LEFT PACK LIGHT ILLUMINATION DURING TAXI. FOLLOWED QRH PROCEDURES AND LIGHT EXTINGUISHED. ACFT GROUNDED. RAN ELECTRIC BITE ON LEFT PACK, FOUND TEMP CONTROL VALVE FAULT. CLEARED ON RESET. DETERMINED TO BE INTERMITTENT FAULT. LEFT PACK LIGHT EXTINGUISHED IAW AMM 21-61-00.
FOUND NR 1 TANK COMPENSATOR PROBE AND TANK UNITS 1 AND 6-10 OUT OF LIMITS PER AMM 28-41-21-710-801. VALUES AS FOLLOWS: F15L=59.47PF, F1L=64.83, F6L=38.8PF, F7L=31PF, F8L=41.24PF, F9L=35.4PF, F10L= 36.93PF. GROUNDED - YES. REPLACED THE COMPENSATOR PROBE F15L AND TANK UNITS F1L AND F6L-F10L PER AMM 28-41-21/401. NR 1 FQIS NOW CHECKS GOOD PER SAME AND AMM 28-41-21-710-801. PERFORMED A FQIS COMPARISON CHECK PER AMM 28-41-00-720-801. CHECKS GOOD.
FMC DISAGREE ON BOTH CAPTAIN AND FIRST OFFICERS SIDE AFTER TOUCHDOWN. LIGHTS STAYED ON FOR 1 MINUTE AND THEN WENT OUT. GROUNDED - YES. ACCOMPLISHED FIM 34-61 TASK 835 FOUND FAULT INTERMITTENT OK FOR CONTINUED SERVICE
LEFT SIDE WINDOW OVERHEAT MESSAGE ILLUMINATED. CHECKLIST ACCOMPLISHED, STILL ILLUMINATED. ACFT GROUNDED. RESET WINDOW HEAT, OPS CHECKED GOOD IAW FIM 30-41-TASK 809.
CONTROL CAB ZONE TEMP LIGHT ILLUMINATED. EXTINGUISHED WHEN MASTER CAUTION SYSTEM IS RESET. ACFT GROUNDED. REMOVED & REPLACED FLIGHT DECK TRIM AIR VALVE IAW AMM 21-61-21. OPS & LEAK CHECKED GOOD.
DURING THE LANDING ROLL WITH THRUST REVERSERS DEPLOYED NR 1 ENGINE FAILED. GROUNDED - YES. INSPECTED & FOUND 5TH STAGE CHECK VALVE STUCK OPEN. REPLACED CHECK VALVE. LEAK CHECKED GOOD, REF AMM 36-11-02. ACCOMPLISHED TEST 5 POWER ASSURANCE CHECK. TEST ENGINE LIMITS GOOD 65, 70, 75% N1. DURING THROTTLE BACK ENGINE COMPRESSOR STALLED AT APPROXIMATELY 60% N1 WITH EGT 560 C, ADVANCED THROTTLE. COMPRESSOR STALL ENDED BUT REPEATED AGAIN WHEN REDUCING THROTTLE. WAS ABLE TO PREVENT STALL BY SLOWLY REDUCING TO IDLE, REF AMM TASK 71-00-700-813-F00. REPLACED NR 1 ENGINE PER T/C 78471000& 78471001. RAN ENGINE, NO DEFECTS NOTED.
CONTROL CABIN ZONE TEMP LIGHT ILLUMINATED DURING RECALL, EXTINGUISHED WHEN MASTER CAUTION LIGHT PUSHED. ACFT GROUNDED. VERIFIED FAULT ON TEMP CONTROLLER BITE. REPLACED THE CONTROL CABIN TRIM AIR MODULATING VALVE IAW AMM 21-61-21/401. OPS & LEAK CHECKED GOOD.
ERRATIC CT5AP READINGS. GROUNDED - YES. REMOVED AND INSTALLED APU, REF AMM 49-11-00. OPS TEST GOOD, REF AMM 49-11-00-710-801.
GROUND POWER DROPPED OFF. ACFT BATTERIES DISCHARGED BELOW POINT TO WHERE GROUND POWER WILL CONNECT. ACFT GROUNDED. REMOVED ACFT MAIN BATTERY IAW AMM 24-31-11-000-400-802-002. INSTALLED A NEW MAIN BATTERY IAW AMM 24-31-11-400-802-002. PERFORMED BATTERY INSTALLATION TEST. TESTED GOOD.
ON RUNNING AFTER START - ZONE TEMP CABIN CONT ILLUMINATED ON RECALL. RAN QRH, LIGHT WENT OUT ON RESET. GROUNDED - YES. ACCOMPLISHED BITE CHECK OF THE PACK/ZONE TEMP CONTROLLERS USING INSTRUCTIONS ON THE CONTROLLERS. FOUND FLIGHT DECK TRIM VALVE FAULT ON THE NR 2 CONTROLLER, FAULT RESET, INTERMITTENT FAULT ZONE TEMP. LIGHT DOES NOT ILLUMINATE ON RECALL.
DURING TAXI, LEFT FUEL FILTER BYPASS LIGHT ILLUMINATED AND EXTINGUISHED TWICE. FUEL FLOW INDICATIONS WERE NORMAL UP TO 50% N2. ACFT GROUNDED. REMOVED AND REPLACED NR 1 ENGINE FUEL FILTER DIFFERENTIAL PRESSURE SWITCH IAW AMM 73-34-01, OPS AND LEAK CHECKED GOOD.
NR 1 ENGINE EXCEEDING EGT LIMITS DURING TAKEOFF. ACARS DATA SHOWS PEAK EGT VALUE AT 953 DEGREES ACFT GROUNDED. PERFORMED NR 1 ENG EXCEEDANCE CHECK IAW AMM TASK 71-00-00-740-801-F00. NO EXCEEDANCE FAULTS LOGGED ON CURRENT NOR FLT HISTORY. PERFORMED STEP 2. FIM 77-05 TASK 801. NO FAULTS FOUND ON HARNESS OR PLUGS. PERFORMED ALL EGT PROBES INSPECTION T49.5 AMM TASK 77-21-01-200-801-F00. IAW ELECTRICAL CHECK OF T49.5 PROBE TABLE. FOUND S1 AND S4 OUT OF LIMITS. S1= 1.1 ANS S4= 1.0. R & R THE S1 AND S4 PROBES IAW AMM TASK 77-21-01-000-801-F00, CHECKED NORMAL.
NR 2 ENGINE 24 PLATFORMS MISSING SEALS. GROUNDED - YES. REPLACED PLATFORMS (24EA) ON NR 2 ENG PER T/C 78472002.
APU OPERATIONAL TEST FOLLOWING APU REPLACEMENT SHOWS CURRENT STATUS FAULT 49-41298, STARTER CONVERTER SHOWS GENERATOR PMG FAILURE. GROUNDED - YES. REMOVED AND REPLACED APU STARTER GENERATOR WIRE HARNESS REF AMM 49-11-01. OPS TEST GOOD. NO CURRENT FAULTS.
ON PERFORMING T/C 78472002 FOUND NR 2 ENG BLADES POSITION 2,3,12,17,23,24 CU-NI COATING IN AREA Y CHIPPED. GROUNDED - YES. ON DEFERRAL.
APU SIGMA SEAL OUT OF LIMITS REF T/C 78349000. GROUNDED - YES. REMOVED AND REPLACED APU SIGMA SEAL REF AMM 49-15-11.
ROW 16A LOWER SIDEWALL EXIT PLACARD MISSING. GROUNDED - YES. INSTALLED NEW EXIT SIGN PLACARD AT ROW 16ABC LOWER SIDEWALL. OPS NORMAL.
AFTER LANDING, BOTH FMCS REPEATEDLY FALL OFF LINE WITH VTK DISPLAYED CAPTAIN'S SIDE. ACFT GROUNDED. LT FMC PGM FAULT LOGGED IN FLIGHT HISTORY/ON GROUND. ACCOMPLISHED FIM 34-61 TASK 807, LT FMC OPS NORMAL.
CONTROL CABIN ZONE TEMP ON RECALL RESETS WITH MASTER CAUTION. ACFT GROUNDED. REMOVED AND REPLACED THE LEFT ECS FWD TRIM AIR MODULATING VALVE IAW AMM 21-61-09. LEAK CHECKED PASSED. ACCOMPLISHED PACK/ZONE TEMP BITE TEST IAW AMM 21-51-00. NR 2 FAULTED CONTROL CABIN TRIM VALVE. SAME FAULT OCCURS. DISCONNECTED AND STOWED CONTROL CABIN TRIM VALVE CONNECTOR LEFT FWD ECS BAY. RECONNECTED FLIGHT DECK TRIM VALVE CONNECTOR. ACCOMPLISHED BITE CHECK IAW AMM 21-51-00, TEST PASSED, FAULTS CLEARED. RAN PACKS, NO FAULTS NOTED.
CONTROL CABIN ZONE TEMP LIGHT ILLUMINATED DURING RECALL AND EXTINGUISHES WITH RESET. ACFT GROUNDED. TROUBLESHOT IAW FIM 21-62 TASK 842, OPERATED PACKS, COULD NOT DUPLICATE THE FAULT.
MODE CONTROL PANEL FAILED DFCS TEST 60.62. ACFT GROUNDED. REPLACED DFCS MCP AND TESTED, IAW AMM 22-11-34/401, DFCS BITE GROUP 32 AND LAND VERIFY 49 AND HGS SENSOR TEST FOR FCC/AT, IAW SMM 34-36-00. ALL OPS NORMAL.
CRACK INDICATION FOUND THE LEFT HORIZONTAL LOWER SKIN JUST INBD OF HSS 101.90 10.5" FWD OF AFT SPAR. MARKED AT 1.020"LONG. ACFT GROUNDED. REMOVED DAMAGE AND ACCOMPLISHED DOUBLER REPAIR IAW SRM 55-10-01-2R-11 FIG 204,REPAIR 11.
CRACK INDICATION FOUND ON RT HORIZONTAL STAB LOWER SKIN INBD AT HSS 101.90, 10.75 INCHES FWD OF AFT SPAR. ACFT GROUNDED. ACCOMPLISHED DOUBLER REPAIR IAW SRM 55-10-01-2R-11 FIG 204, REPAIR 11.
CRACK INDICATION FOUND ON RT HORIZONTAL STAB LOWER SKIN INBD AT HSS 138.70, 10 INCHES FWD OF AFT SPAR. ACFT GROUNDED. REMOVED DAMAGE AND ACCOMPLISHED DOUBLER REPAIR IAW SRM 55-10-01-2R-11 FIG 204, REPAIR 11.
LEFT FWD OVERWING EXIT DOOR LOWER SUPPORT CHANNEL HAS LIGHT CORROSION. ACFT GROUNDED. REMOVED CORROSION-ORIGINAL THICKNESS .071,REMAINING .030, MATL REMOVED .041 AND FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 52-20-02-01A-1 TOOL T8492H, REMOVED CHANNEL IAW B737-800 SRM 51-40-02, FABRICATED CHANNEL IAW DWG 144A6586 AND EA 800-52EA-18003, INSTALLED CHANNEL IAW SRM 51-40-02 REMOVED DOT.
AFT CARGO BAY RT TRANSITION PANEL IS CRACKED AT BS 727G - 727H. ACFT GROUNDED. REMOVED AND REPLACED THE TRANSITION PANEL IAW SRM 53-00-53-2R-5 REPAIR 5, SRM 51-20-01, SRM 53-00-53-2R-5 REPAIR5 AND DWG 146A7500 REV B. .
NR 2 ENGINE NO LIGHT OFF AFTER START LEVER RAISED TO IDLE. START ABORTED. IGNITION SWITCH WAS SET TO THE RIGHT IGNITOR. ACFT GROUNDED. FOUND NR 2 IGNITER PLUG ARCED. REMOVED AND REPLACED NR 2 ENGINE RIGHT IGNITION EXCITER BOX IAW AMM 74-11-01, AND REMOVED AND REPLACED NR 2 ENGINE RIGHT SIDE IGNITER PLUG IAW AMM 74-21-02. OP'S CHECK GOOD FOR BOTH.
LEFT A/C PACK LIGHT ON RECALL AT T.O.D. ACFT GROUNDED. PERFORMED BITE CHECK OF NR 1 TEMP CONTROLLER, IAW FIM TASK 21-61-00-810-801, INDICATES FAILURE OF NR 1 TCV. REMOVED AND REPLACED TRIM MODULATING VALVE, IAW AMM 21-61-21. OPS CHECK GOOD. BITE CHECK NR 1 TEMP CONTROLLER, IAW FIM TASK 21-61-00-810-801 PASS.
ELEC LIGHT ILLUMINATED ON PANEL. ACFT GROUNDED. ACCOMPLISHED ELEC LIGHT BITE, FOUND FAULT MESSAGE AUX BATTERY CHARGER INOP. FOUND AUX BATTERY CHARGER CIRCUIT BREAKER OPEN AT J9, IAWFIM 24-31 TASK 825. ACCOMPLISHED CIRCUIT BREAKER RESET PROCEDURE, IAW AMM 20-60-01. FOUND BUSS WIRE TO AUX BATTERY CHARGER CIRCUIT BREAKER LOOSE. SECURED THE WIRE & OPS CHECK NORMAL, IAW AMM 24-31-31-710-801. GROUND VERIFICATION TEST GOOD. NO DAMAGE NOTED ON THE THE WIRE OR CIRCUIT BREAKER .
B-SIDE FAULT IN NR 2 ENGINE OVERHEAT DETECTOR. ACFT GROUNDED. REMOVED AND INSTALLED NEW UPPER FAN DETECTOR ELEMENT REF AMM 26-11-01-000-801. PERFORMED NR 2 ENGINE FIRE DETECTION. OPS TEST, TASK 26-11-00-710-801. SYS CHECKS NORMAL.
ELECTRICAL LIGHT ILLUMINATED ON THE OVERHEAD PANEL. ACFT GROUNDED. SPCU INOPERATIVE MESSAGE LOGGED DURING BITE. ACCOMPLISHED FIM 24-34 TASK 802, FAULT MESSAGE CLEARED. GROUND VERIFICATION TEST PASSED. NO HISTORY PAST 30 DAYS.
LEFT ENGINE FUEL VALVE CLOSED LIGHT DOES NOT APPEAR TO GO BRIGHT WHEN VALVE TRANSITIONS. ACFT GROUNDED. RANG OUT THE NR 1 ENGINE HMU SWITCH VIA DP1207, PINS 1 AND 3. READS OPEN. SWITCH STUCK OPEN. REMOVED AND REPLACED HIGH PRESSURE SHUTOFF VALVE SWITCH IAW AMM 73-21-09-000-801 AND 73-21-09-400-801.
RIGHT FWD OVERWING LOWER EMERGENCY EXIT LIGHT COVER IS BROKEN. ACFT GROUNDED. REMOVED & REPLACED THE COVER WITH A SERVICEABLE UNIT.
FUEL FLUCTUATIONS UP TO 800 LBS BETWEEN MAIN TANK 1 & 2 WERE OBSERVED AFTER THE CENTER TANK FUEL WAS EXHAUSTED. TOTALIZER ALSO FLUCTUATED IN CONJUNCTION WITH THE MAIN TANK FLUCTUATIONS. YOKE DID NOT DEFLECT, INDICATING NO IMBALANCE. FLUCTUATIONS WERE QUICK CYCLING IN APPROXIMATELY ONE MINUTE THEN SETTLING DOWN FOR A FEW MINUTES. FUEL TEMP -14C AT FL 380, FUEL QUANTITY 14,500 LBS. ACFT GROUNDED. PERFORMED FQIS BITE CHECK AND GROUND TEST IAW FIM 28-41 TASK 814. NO FAULTS FOUND OR LOGGED ON FQIS AND ITS HISTORY. PERFORMED A WING FUEL SUMP FROM BOTH WINGS TO CHECK FOR WATER. NO WATER FOUND. PERFORMED CROSSFEED VALVE OPS CHECK, OPS CHECKED GOOD. COULD NOT DUPLICATE.
CEILING MOUNTED EXIT SIGN LOCATED OVERWING EMERGENCY EXITS HAS COME LOOSE. ACFT GROUNDED. ATTACHED THE SIGN.
NR 1 ENGINE TREND DATA CONTINUES TO SHOW EGT TRENDS AND DATA SCATTER INDICATIVE OF EGT SYSTEM INDICATION ERRORS. ACFT GROUNDED. R & R J9, PN 325-025-401-0, J10 325-043-502-0, AND CJ10, PN 325-043-401-0, NR 1 ENGINE HARNESS IAW AMM 73-21-06.
APU FAILED TO START FL360, FL300 WITH FAULT LIGHT. ACFT GROUNDED. INTERROGATED APU FAULTS, CURRENT FAULTS: NONE. FAULT HISTORY SHOWS LAST 2 LEGS FAULT MESSAGE 49-31016, OVER TEMPERATURE SHUTDOWN. PERFORMED FIM 49-30, TASK 803, STEP A1A. PERFORMED APU GROUND OPS TEST IAW AMM 49-11-00-710-801, OPERATES NORMALLY ON GROUND.
ON FIRST APU START ATTEMPT AT GATE GOT APU FAULT LIGHT. ACFT GROUNDED. CONFIRMED FAULT, APU WILL NOT START. APU BITE SHOWS FAULT MESSAGE 49-41180, IGNITION UNIT CIRCUIT HIGH CURRENT". ACCOMPLISHED FIM 49-40, TASK 804, TROUBLESHOT TO DEFECTIVE APU EXCITER UNIT. R & R APU EXCITER UNIT REF AMM 49-41-31, GROUND VERIFICATION TEST SUCCESSFUL.
DIAGNOSTICS INDICATES NR 1 ENGINE EGT INDICATION ERRORS REQUIRING REPLACEMENT OF S2 49.5 EGT PROBE AND CJ9 HARNESS. ACFT GROUNDED. REPLACED NR 1 ENGINE S2 T49.5 PROBE REF AMM 77-21-01 AND CJ9 HARNESS REF AMM 73-21-06, T49.5. OPS TEST NORMAL REF AMM 71-00-00-800-811-F00. CJ9 CORE HARNESS, OPS TST NORMAL REF AMM 73-21-00-700-802-F00.
LEFT FWD WINDOW HEAT ON LIGHTS ARE NOT ILLUMINATED WITH SWITCHES IN ON POSITION. ACFT GROUNDED. REF FIM 30-41, TASK 801 WHCU BITE PASSED NO FAULT. WINDOW HEAT OPS CHECK NORMAL. INFO ONLY REF 737 SYS MANUAL SECT 3.010 CYCLING OF WINDOW HEAT ON LIGHT IN NORMAL OPERATION.
DURING LEAK CHECK OF NR 2 ENGINE FOUND FUEL LEAK AT FUEL SERVO HEATER UPPER PLATE. ACFT GROUNDED. REPLACED UPPER COVER PLATE PACKING FOR NR 2 ENGINE FUEL SERVO HEATER. LEAK CHECKED GOOD, REF CMM 73-11-77.
ENROUTE AT FL360, NR 2 GEN DRIVE LIGHT ILLUMINATED. DISCONNECTED NR 2 GEN DRIVE, STARTED APU & POWERED BUSS WITH APU. ACFT GROUNDED. NR 2 EDG INOP. VERIFIED AT 3 GEN AC VOLTS & CPS FREQ 0 AFTER DISCONNECT. ISOLATED SHORT BETWEEN PINS & PIN TO GROUND BTWN ENGINE FIREWALL CONNECTOR PINS IAW WDM 24-11-21. GCU 2 REMOVED IAW AMM 24-21-81-000-801. REMOVED CONNECTOR ON IDG & CONNECTOR AT FIREWALL. FOUND PINS 8 & 9 IAW SWPM 20-60-06 & 20-20-00. INSTALLED & TESTED GCU IAW AMM 24-21-81-400-801, TEST PASSED. CONNECTED CONNECTORS & OPS TESTED IAW AMM 24-11-00-700-803. ENG OPS CHECKED IAW AMM 71-00-00-801-808-F00. SYS GOOD. EDP DEPRESS VALVE TESTED GOOD IAW AMM 29-11-11-400-803-001.
DURING TAXI OUT WITH AUTOTHROTTLE ENGAGED, CLICKED OFF AND WOULD NOT RE-ENGAGE. ACFT GROUNDED. ACCOMPLISHED OPS CHECK AND SYSTEM OPS TEST, IAW AMM 22-31-00, BOTH OPS CHECK NORMAL.
AT FL360 WITH LESS THAN 22000 POUNDS FUEL ONBOARD, THE NR 2 MAIN TANK FUEL DECREASE FROM 8.55 TO 7.33. THE IMBALANCE LIGHT ILLUMINATED WITH CENTER TANK PUMPS STILL IN USE THE NR 2 MAIN TANK FUEL GAUGE FLUCTUATED BETWEEN 8.3 & 7.3, MOSTLY STAYED AT 7.3 AFTER CENTER QTY WAS EMPTY, BOTH MAIN TANK GAUGES OPERATED NORMALLY. ACFT GROUNDED. COMPLETELY SUMPED NR 2 MAIN FUEL TANK EMPTY AND ACCOMPLISHED FUEL QTY INDICATION SYS TEST, IAW AMM 28-41-00-730-801 AND FOUND TANK UNIT CAP, 399.1 AND COMPENSATOR CAP, 57.99 IN LIMITS. REMOVED A HAND SIZE PIECE OF ICE FROM AREA UNDER THE COMPENSATOR PROBE. FUEL QTY COMPARISON CHECK GOOD, REF AMM 28-41-00-720-801.
NR 2 GENERATOR DRIVE LIGHT ILLUMINATED, RAN QRH PROCEDURE AND DISCONNECTED NR 2 GENERATOR. ACFT GROUNDED. INSPECTED IDG OIL QTY, CHECKED NORMAL, RESET GENERATOR INSPECT DRIVE LIGHT SWITCH CONNECTOR, LOOKED NORMAL. RANG OUT PINS AT CONNECTOR 1206 SWITCH, OPS NORMAL, RAN ENGINES FOR RT GENERATOR SYS IAW AMM 24-21-00-700-803, RT GENERATOR SYS VOLTS AND FREQ CHECKS NORMAL, RIGHT GENERATOR DRIVE L/T DOES NOT EXTIGISH WITH GENERATOR IN OPERATION CHECKED. FIM 24-11, TASK 802, FAILS STEP F, 6, D. PIN 27 OF D10892B HAS SHORT TO GROUND. REPLACED FEED THROUGH CONNECTOR DM18 IAW SWPM 20-60-06. NO HELP. FOUND SHORT AT CONNECTOR D30114, PIN 9. CLEANED CONNECTOR D30114 IAW SWPM 20-10-04. OPS CHECK NORMAL.
ON PROGRESS, PAGE 1, RECEIVED THE FOLLOWING MESSAGES WHEN VNAV WAS SELECTED: "CHECK ALT TARGET AND "VNAV INVALID-PERFORMED". ACFT GROUNDED. PERFORMED FIM 34-61-TASK 801 BITE CHECK OF FMC, NO FAULTS FOUND. CHECKED ACFT POWER SYS RESTORED. SUSPECT INTERMITTENT FAULT.
JUST PRIOR TO DEPLETING CENTER TANK, THE RT MAIN TANK INDICATION DROPPED TO 7.24. FUEL USED AND FUEL FLOWS WERE VIRTUALLY EQUAL BETWEEN LT AND RT ENGINES. WHEN CENTER PUMPS WERE SHUTDOWN THE RT INDICATION RETURNED TO 8.53 AND HAS OPERATED NORMALLY SINCE THEN. ACFT GROUNDED. ACCOMPLISHED FQIS BITE TEST AND FOUND FAULT MESSAGE 28-41389, PROCESSOR FAILED. R & R FUEL QTY PROCESSOR UNIT AND OPS CHECKED GOOD REF AMM 28-41-81.
EMERGENCY LIGHT EXIT LOCATOR SIGN AT R1 DOOR HAS BROKEN LENS. ACFT GROUNDED. R & R LENS AND PERFORMED TEST OF LIGHT ASSY IAW AMM 33-51-01-960-801. OPS NORMAL.
RIGHT ENGINE STARTER MAGNETIC PLUG CHECK VALVE INOPERATIVE. ACFT GROUNDED. R & R RIGHT ENGINE STARTER MAGNETIC PLUG ASSY IAW AMM 80-11-01.
ZONE TEMP CONTROL CABIN ILLUMINATES ON RECALL. ACFT GROUNDED. NR 2 TEMP CONTROLLER SHOWS TRIM VALVE FLIGHT DECK ON BITE & PREVIOUS FLIGHT. VERIFY PASSES. RESET FAULT. FAULT DID NOT RETURN. BITE TEST SAME GOOD. REF FIM 21-62, TASK 832. FUNCTIONAL CHECK CONTROL CABIN TRIM VALVE GOOD.
ZONE TEMP LIGHT ON AFTER RECALL RESET AFTER CLEARING MASTER CAUTION AND ZONE TEMP LIGHT WENT OUT. ACFT GROUNDED. PERFORMED CABIN TEMP CONTROLLER BITE IAW FIM TASK 21-61-00-810-801. RESET SYSTEM, NO FAULT FOUND.
APU DETECTOR INOPERATIVE, OVER 2 EMOM. 1 HR AFTER TAKEOFF. LIGHT WENT OUT 3 HOURS LATER, THEN BACK ON 1 HR LATER. ACFT GROUNDED, ON DEFERRAL.
APU DETECTOR INOPERATIVE, ILLUMINATED INFLIGHT PRIOR TO EEP. ACFT GROUNDED. INSPECTED APU FIRE LOOP AREA. CLEANED DISCONNECTS D40060J AND D40062J. NO DEFECTS NOTED. REMOVED AND CLEANED SURFACE CORROSION FROM FIRE LOOP TERMINAL LUGS M1925, M1755, AND M1756. RE-INSTALLED SAME. INSPECTED AND EXERCISED P28 FIRE CONTROL PANEL T-HANDLE NO DEFECTS NOTED. PERFORMED LOOP RESISTANCE TEST. CHECKS OK. ACCOMPLISHED FIRE DETECTION CONTROL MODULE BITE. NO FAULTS FOUND. OPS RUN OF APU. NO DEFECTS NOTED. ACFT OK FOR SERVICE. ACFT REQUIRED FVR TO BE ACCOMPLISHED FIRST 60 MINUTES ETOPS REVENUE FLIGHT. FLIGHT CREW TO MONITOR APU AND FIRE WARNING FOR NORMAL INDICATION. RELAMPED APU DETECTOR INOPERATIVE, LIGHT TESTS OK. FVR FAILED.
RIGHT, PACK, LIGHT ON FL410 TEMP OK. EXTINGUISHED WITH MASTER CAUTION RESET. ACFT GROUNDED. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE REF AMM 21-61-00. NR 2 CONTROLLER LOGGED, ACTUATOR, FAULT BUT DID NOT FAULT, DURING VERIFY TEST. RESET FAULT, CABIN TEMP CONTROL, OPS NORMAL.
FUEL FILTER BYPASS LIGHT ILLUMINATED DURING TAXI AND STAYED ILLUMINATED FOR 30 SECONDS, THEN EXTINGUISHED. ACFT GROUNDED. R & R FUEL DIFFERENTIAL PRESSURE SWITCH IAW AMM 73-34-01-400. ELETRONIC ENGINE CONTROL TEST AND LEAK CHECK GOOD.
"LT ELEVATOR PITOT", AMBER LIGHT ILLUMINATED AFTER ENGINE START. ACFT GROUNDED. REPLACED LEFT ELEVATOR PITOT TUBE. IAW AMM TASK 30-31-00-900-801. OPS CHECK GOOD. ACCOMPLISHED PITOT SYS LEAK TEST IAW AMM 27-31-790-801. LEAK TEST GOOD.
ON DESCENT A/P DISENGAGED. NR 2 SOURCE OFF LIGHT ILLUMINATED. FOLLOWED QRH PROCEDURE. NR 2 GENERATOR WOULD NOT RE-ENGAGE. APU POWERING NR 2 SOURCE. ACFT GROUNDED. REMOVED NR 2 IDG IAW AMM 24-11-11-000-801 AND INSPECTED FILTER FOR CONTAMINATION REF AMM 24-11-11-080-801, NONE FOUND. INSTALLED REPLACEMENT NR 2 IDG IAW AMM 24-11-11-400-801. ACCOMPLISHED OPS TEST IAW AMM 24-11-000-700-803. OPS CHECK GOOD.
FOUND NR 1 ENGINE NACELLE WIRE HARNESS DAMAGED AT DP1202 OF HARNESS MW0312. ACFT GROUNDED. REPLACED NR 1 ENGINE NACELLE HARNESS MW0312 WITH NEW ONE. ACCOMPLISHED ENGINE TEST, TEST 1, 2, 3A, A2,13 ALL PASS NO FAULTS NOTED. REF AMM 71-00-00-800-811 & 71-51-03-400-801.
FMC DISAGREE MESSAGE ON THE GROUND JUST PRIOR TO TAXI. ACFT GROUNDED. PERFORMED RESET PROCEDURE IAW QRH. FMC DISAGREE MESSAGE WENT AWAY. OPS NORMAL.
ON CLIMBOUT THE RADAR PAINTS WX 15 DEGREE LT OF NOSE NO MATTER WHAT THE HEADING IS. ALWAYS 15 DEGREES LEFT OF NOSE UNTIL CRUISE FLIGHT. ACFT GROUNDED. ACCOMPLISHED WEATHER RADAR SYS BITE REF AMM 34-43-00, NO FAULTS FOUND. UNABLE TO DUPLICATE PROBLEM, WEATHER RADAR, OPS NORMAL.
ON RECALL CONT CAB ZONE TEMP LIGHT ILLUMINATES, GOES OUT WITH MASTER CAUTION RESET. ACFT GROUNDED. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE REF AMM 21-61-00. NR 2 CONTROLLER LOGGED, FLT DECK TRIM VALVE, FAULT BUT DID NOT FAULT DURING VERIFY TEST. RESET FAULT, CABIN TEMP CONTROL, OPS NORMAL.
TANK 2 FUEL QTY INDICATING SYSTEM FAILS FUEL MEASURING STICK COMPARISON CHECK IAW AMM 28-41-00-720-801. ACFT GROUNDED. FOR INSPECTION, LEAK CHECKS AND RETORQUE REQUIREMENTS. ALL NR 2 FUEL QTY TANK UNITS AND COMPENSATOR PROBE REPLACED REF AMM 28-41-21. NR 2 FUEL QTY SYSTEM TEST NOW CHECKS GOOD IAW AMM 28-41-00-730-801. ACCOMPLISHED ALTERNATE FUELING PROCEDURES, STICK METHOD COMPARISON CHECK FOR TANK NR 2. NOW PASSES IAW AMM 28-41-00-720-801.
DURING CRUISE NR 2 MAIN TANK FUEL DISPLAYED IMBALANCE. THE NR 1 TANK SHOWED 8.45K AND THE NR 2 SHOWED 7.4K. FOLLOWED THE QRH. FUEL LOG AND BURN WHERE NORMAL. ACFT GROUNDED. NR 2 FUEL QTY OPS TEST GOOD REF AMM 28-41-00-710-801.
RIGHT FORWARD WINDSHIELD OVERHEAT LIGHT IS ILLUMINATED. FOLLOWED CHECKLIST. DOES NOT EXTINGUISH. ACFT GROUNDED. FOUND CIRCUIT BREAKER AT P18-3 C1 'WINDOW HEAT CONT - RIGHT FRONT' OPEN. GVI OF P19-3 INTERNAL NO DEFECTS NOTED. CLOSED CIRCUIT BREAKER AND ACCOMPLISHED RT FRONT M323 WHCU BITE. FAULT HISTORY, 10 LEGS, ONLY ONE OCCURRENCE OF 'P5-9/CTRL POWER. ACCOMPLISHED WINDOW HEAT SYSTEM - OPERATIONAL TEST REF AMM 30-41-00-710-801. OPS NORMAL, CIRCUIT BREAKER REMAINS CLOSED AND OVERHEAT LIGHT REMAINS OFF.
RT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED. ACFT GROUNDED. TROUBLESHOT TO RT SIDE WINDOW TEMP SENSOR FAULT. SWAPPED TO SPARE SENSOR, WINDOW HEAT CHECKS OK REF FIM TASK 30-41, TASKS 801 AND 811.
LEFT SIDE FORWARD WINDOW OVERHEAT LIGHT ILLUMINATED ON APPROACH. WINDOW HEAT TURNED OFF IAW QRH TURNED WINDOW HEAT BACK ON AFTER 5 MINS, OPS NORMAL. ACFT GROUNDED. PERFORMED FIM 30-41, TASK 801 WHCU BITE TEST. FOUND WINDOW SENSOR FAULT. PERFORMED FIM 30-41, TASK 811. FOUND SENSOR TO BE WITHIN ACCEPTABLE LIMITS. FOUND WINDOW RESISTANCE TO BE 62.4 WITH A RANGE OF 62.3-69.0 IAW WDM 30-41-12, PG 2.1. REPLACED LEFT SIDE WINDOW AND COIL CORD PRESSURIZED AND OPS CK GOOD REF 56-12-11, 30-41-00 AND 05-51-91.
ON DESCENT, LT SIDE OVERHEAT LIGHT ILLUMINATED. RAN QRH, LIGHT RE-ILLUMINATED. ACFT GROUNDED. PERFORMED FIM TASK 30-41, TASK 801. BITE TEST OK. POWERED DOWN ACFT FOR 5 MINUTES. POWERED ACFT BACK UP. PERFORMED BITE TEST, RESET REF FIM 30-41, TASK 801. BITE TESTED OK AGAIN. PERFORMED WINDOW HEAT SYS OPS TEST REF AMM 30-41-00-710-801. FOUND LT SLIDER FWD COIL CONNECTOR PLUG NOT FULLY LOCKED IN DETENT, SECURED SAME. OPS TESTED GOOD.
FMC DISAGREE ILLUMINATED ON TAXI OUT. ACFT GROUNDED. COMPLIED W/ QRH PROCEDURES AND RESET NORMALLY W/O FURTHER ISSUE.
AUTO THROTTLES WILL NOT STAY ENGAGED. ACFT GROUNDED. ACCOMPLISHED AUTOTHROTTLE SYSTEM OPS TEST REF MM 22-31-00-710-801. ALL TESTS PASSED. GROUND VERIFICATION SUCCESSFUL. ACFT UPGRADED TO CAT IIIA AUTOLAND & HOUSING STATUS SCREW REFLECTS THE SAME.
UPON PDC WALK AROUND, FOUND IDG P INDICATOR ARE EXTENDED, ON ENGINE NR 1. ACFT GROUNDED. R & R IDG SCAVENGE AND CHARGE FILTER AND INSPECTED OLD FILTERS. NO METAL/SHAVINGS OR DEBRIS NOTED. DRAIN AND RESERVICED IDG OIL. DRY MOTOR RUN ENGINE NR 1, LEAK CHECK GOOD AND X MARK ON NR 1 DPI RESET DECAL REF AMM 24-11-41-200-801.
WHILE ACCOMPLISHING T/C 78273000, FOUND NR 1 ENGINE LONG TIME FAULT 73-31071, FUEL FILTER SIGNALS DISAGREE. ACFT GROUNDED. TSR ISSUED. REPLACED NR 1 ENGINE FUEL FILTER DIFFERENTIAL PRESSURE SWITCH. LEAK AND OPS CHECK NORMAL, REF AMM 73-34-01, 73-21-00, 71-00-00.
CAPTAIN'S MCDU HANDLE MISSING A SCEW ON LT SIDE. ACFT GROUNDED. INSTALLED MISSING SCREW ON CAPT'S MCDU HANDLE REF CMM 34-61-14.
NR 2 ENGINE ANTI-ICE "COWL VALVE OPEN" LIGHT STAYS BRIGHT WHEN SWITCHED ON. ACFT GROUNDED. REPLACED NR 2 ENG ANTI-ICE COWL VALVE AMM 30-21-11-000-801 AND 30-21-11-400-801. OPS AND LEAK CHECK GOOD. GROUND VERIFICATION TEST SUCCESSFUL.
FMC DISAGREE ON GROUND. ACFT GROUNDED. PERFORMED QRH PROCEDURE. OPS NORMAL.
RIGHT PACK LIGHT ILLUMINATES ON RECALL. ACFT GROUNDED. ACCOMPLISHED BITE CHECK IN REF FIM 21-62 TASK 848. NO FAULTS NOTED. NO HISTORY IN LAST 30 DAYS.
APU FAILED TO START ON TAXI-IN . APU LOW OIL PRESSURE LIGHT ILLUMINATED BUT NO EGT RISE. ACFT GROUNDED. VISUALLY CHECKED APU OIL. NO CURRENT FAULTS FOUND ON BITE CHECK OPS CHECK START NORMAL. APU OPS TEST NORMAL IAW AMM 49-11-210-801. NO HISTORY LAST 30 DAYS.
FMC DISAGREE ON GROUND. ACFT GROUNDED. FMC DISAGREE PROCEDURE ACCOMPLISHED, OPS NORMAL.
FMC DISAGREE ON GROUND. ACFT GROUNDED. ACCOMPLISHED QRH PROCEDURE. RESTORED BOTH FMC'S.
UNABLE TO CONNECT TO DISPATCH VIA SATCOM 1 OR 2, CDU SHOWS DIALING AND ANSWERED BUT NO VOICE CONTACT. ACFT GROUNDED, ON DEFERRAL.
HF INOPERATIVE. ACFT GROUNDED. TESTED HF REF MM 23-11-00-730-801. TESTS OK. NO HISTORY. SUCCESSFUL GROUND VERIFICATION ACCOMPLISHED.
SATCOM INOPERATIVE. ACFT GROUNDED. ON DEFERRAL.
SATCOM NR 1 AND NR 2, NO TRANSMITTION. RECEIVES OK. ACFT GROUNDED.
NR 2 ENGINE STARTER BEARING NOISE DURING ROTATION. ACFT GROUNDED. R & R TESTED NR 2 ENGINE STARTER IAW MM 80-11-01-000/400-801-F00 & MM 71-00-00-800-811-F00, TABLE 502.
GASKET MISSING FM PLUG AT THE THREE O`CLOCK POSITION ON TURBINE REAR FRAME NR 2 ENGINE. ACFT GROUNDED. REPLACED MISSING GASKET IAW AMM 72-56-00.
CONTROL CABIN ZONE TEMP LIGHT ILLUMINATES ON MC RECALL, RESETS MASTER CAUTION. ACFT GROUNDED. PRIMARY FLT DECK CONTROLLER INOPERATIVE. BITE CHECK SHOWS FLT DECK TRIM AIR VALVE FAULT. VERIFICATION TEST SUCCESSFUL. RESET FAULTS. HAS NO OTHER RECENT RELATED HISTORY.
DE-ICE CREW REPORTED FUEL LEAKING FROM NR 1 ENGINE AFTER START ESN897424. ACFT GROUNDED. REMOVED THE HPTACC IAW MM 75-21-01-000-801-F00. INSTALLED SERVICEABLE HPTACC IAW MM 75-21-01-400-801-F00. LEAK & OPS TESTS ACCOMPLISHED IAW MM 71-00-00-800-811-F00. REMOVED THE RT VSV IAW MM 75-31-01-000-802-F00. INSTALLED SERVICEABLE VSV ACTUATOR IAW MM 75-31-01-400-802-F00. ACCOMPLISHED VSV ACTUATOR TEST IAW MM 75-31-01-790-801-F00. LK & OPS TESTS ACCOMPLISHED IAW MM 71-00-00-800-811-F00.
RIGHT PACK LIGHT ON MASTER CAUTION RECALL. PACK LIGHT EXTINGUISHES WHEN RESET. ACFT GROUNDED. CONFIRMED ACTUATOR FAULT ON RT SIDE. REPLACED RT RAM DOOR ACTUATOR, ALL OPS NORMAL, REF MM 21-51-21.
RT PACK LIGHT ILLUMINATED, EXTINGUISH ON MASTER RESET. ACFT GROUNDED. ACCOMPLISHED BITE CHECK ON NR 2 CONTROLLER NO FAULTS NOTED. CHECK MASTER CAUTION SWITCH NO FAULTS NOTED. SYS OP'S CK NORMAL.
SATCOM TRANSMIT BUT NO RECEIVE. TRIED MULTIPLE TIMES. ACFT GROUNDED. PERFORMED OUT GOING CALL AND INCOMING CALLS IAW MM 23-15-00. OPS NORMAL EACH TIME. NO HISTORY LAST 90 DAYS.
EMERGENCY EXIT LIGHT LENS ABOVE 4D LOOSE. ACFT GROUNDED. SECURED LIGHT LENS IAW AMM 20-30-11.
AFT CARGO ANGLE AT BS 755 - 777 HAS CORROSION UNDER NUT PLATES. ACFT GROUNDED. REMOVED DAMAGE AND FOUND TO BE WITHIN LIMITS IAW SRM 53-60-15-1A-1. ALODINED REWORKED AREAS IAW SRM 51-20-01. PRIMED REWORKED AREAS IAW SOPM 20-41-02.
AFT CARGO BAY ZEE ANGLE RT SIDE FROM BS 740-780 HAS CORROSION ON TOP AND BOTTOM OF FASTENER HOLES. ACFT GROUNDED. REMOVED CORROSION AT AFT PIT RT STA 727D-767, ZEE ANGLE AREA ORIGINAL THICKNESS .040 IAW SRM 53-70-53 MAT LOSS .004 REMAIN THICKNESS .036 FOUND TO BE WITHIN LIMITS IAW SRM 53-00-53 TOOL T8225M, ALODINED AND PRIMED AREA IAW SRM 51-20-01.
RIGHT PACK LIGHT ILLUMINATED ON RECALL. LIGHT EXTINGUISHES WHEN MASTER CAUTION PUSHED. ACFT GROUNDED. TROUBLESHOT IAW FIM 21-62, TASK 836. APPEARS TO HAVE BEEN AN INTERMITTENT RAM ACT FAULT. VERIFICATION TEST NORMAL. HAS NO OTHER HISTORY, 30 DAYS. RESET NR 2 CONTROLLER. PACK LIGHT REMAINS EXTINGUISHED ON RECALL.
WHILE STARTING ENGINE NR 2 START VALVE OPEN LIGHT STAYED ON AND STARTED FLASHING AFTER START SWITCH MOVED TO OFF. RAN QRH AND START VALVE OPEN LIGHT REMAINED ILLUMINATED. ACFT GROUNDED. ACCOMPLISHED FIM 80-07, TASK 809. AFTER REMOVING CONNECTOR DP1202 LIGHT EXTINGUISHED, CONTINUITY CHECK SHOWED AN OPEN CIRCUIT. REINSTALLED CONNECTOR, LIGHT STILL OUT. ACCOMPLISHED ENGINE START AND START VALVE LIGHT OPS NORMAL. NO HISTORY FOR 60 DAYS. GROUND FUNCTIONAL TEST GOOD.
EXIT SIGN CAME OFF AT ROW 11. ACFT GROUNDED. REINSTALLED EXIT SIGN ROW 11, SIGN LIGHTING, OPS CK GOOD.
SATCOM 1 AND 2 WOULD NOT TRANSMIT OR RECEIVE. ACFT GROUNDED. CHECKED LED STATUS LIGHTS ON IRIDIUM TRANSCEIVER, ALL GREEN. ACCOMPLISHED VOICE TEST OF BOTH INCOMING AND OUTGOING CALLS FOR SAT 1 AND SAT 2. GROUND VERIFICATION TEST PASSES, IAW AMM 23-15-00/501.
APU FAULT LIGHT DURING START ATTEMPT. ACFT GROUNDED. VISUAL INSPECTION ACCOMPLISHED AND IS SATISFACTORY. REPLACED IGNITION UNIT IAW AMM 49-41-31-000-801 IAW ENGINEERING.
APU FAULT LIGHT ANNUNCIATED. ACFT GROUNDED. TESTED APU SYSTEM IAW FIM 49-40, TASK 802. ALL TESTS PASSED. NO MAINT HISTORY WITHIN 30 DAYS.
NO LIGHT OFF ON NR 2 ENGINE DURING START PROCEDURE. ENGINE MOTORED FOR ONE MINUTE AFTER START LEVER MOVED TO CUTOFF. ACFT GROUNDED. REPLACED RT EXCITER IAW MM 74-11-01. OPS CHECKED GOOD FOR BOTH LT & RT IGNITORS.
NR 2 ENGINE FAILED TO START. IGNITION RT WAS SELECTED. WOULD GET FUEL FLOW INDICATION BUT NO EGT RISE. ATTEMPTED START TWICE. ACFT GROUNDED. REPLACED NR 2 ENGINE RT IGNITION EXCITER IAW AMM 74-11-01. REPLACED NR 2 ENGINE MAIN IGNITER PLUG IAW AMM 74-21-02. PERFORMED EXCITER AND PLUG TEST, OPS CHECKED NORMAL.
NO HEADING ON F/O'S NAV DISPLAY, AND MAP FLAG DISPLAYED. ACFT GROUNDED. REBOOTED FMC IAW FIM TASK 34-61, TSK 807, OPS NORMAL, OPS RESTORED, BITE CHECKED OK. FMC OK NO HISTORY 90 DAYS. ETOPS GROUND VERIFICATION COMPLETE..
NR 1 FUEL FILTER PYPASS LIGHT ILLUMINATED DURING TAXI OUT FOR DEPARTURE THEN OFF & ON ABOUT FOUR TIMES. ACFT GROUNDED. ACCOMPLISH EEC BITE VERIFIED FAULT MSSG 73-31071. ACCOMPLISH EEC TEST, TEST PASS NO INTERNAL EEC FAULTS. ACCOMPLISH CHECKS OF WIRING OF CONNECTOR DP0808 TO DP0803 ALL CHECKS ARE WITH IN LIMITS AND GVI NO DEFECTS FOUND. REF FIM 73-31, TASK 802, FIM 73-00, TASK 801, & MM 73-21-00-700-804 AND WDM 73-31-11. REPLACED NR 1 ENGINE FUEL DIFF PRESSURE SWITCH REF MM73-34-01. GROUND RUN ACFT. NO BYPASS LIGHT ON. LEAK CHECK OK.
AFTER CONFIGURING THE PRESSURIZATION "BLEEDS OFF" PILOTS NOTED THE "CREW ALERT" FOR ENGINE NR 2 STARTER VALVE NOT IN COMMANDED POSITION. ACFT GROUNDED. R & R MW0312 NACELLE WIRING HARNESS, REF AMM 71-51-03-000-801-F00, ITEM 5. REPLACED NR 2 ENGINE START VALVE REF AMM 80-11-03, OPS AND LEAK CHECK GOOD. PERFORMED OPS CHECK FOR WIRE HARNESS, EEC BITE TEST AND ACTUATORS TEST REF AMM 71-00-00 AND 73-21-00. WHILE ACCOMPLISHING ACTUATORS TEST, RECEIVED MAINTENANCE MESSAGE HPTACC POSITION SIGNAL IS OUT OF RANGE AND FAULT CODE 75-10362. ACCOMPLISHED FIM 75-21, TASK 802, CONFIRMED FAULT. ACCOMPLISHED STEP 4, RESISTANCE CK. ALL CK'S GOOD. CLEANED CONNECTOR DP0903 (CH A) ALSO VALVE SIDE. SWAPPED CH A&B CONNECTORS IAW STEP 5, TEST PASS. RESTORED CONNECTORS TO ORIGINAL POSITION AND ACTUATORS TEST PASS IAW AMM 71-00-00-700-807-FOO.
NO ROTATION DURING START. ACFT GROUNDED. REPLACED NR 2 ENGINE START VALVE IAW AMM 80-11-03-400-801-F00. OPS AND LEAK CHECKED GOOD.
FMC DISAGREE. ACFT GROUNDED. PERFORMED FMC RESET ON GROUND.
ON THE GROUND AT GATE, CDU DISPLAYED ALERT MESSAGE " DATA LINK FULL". ACFT GROUNDED. ACCOMPLISHED "ON THE GROUND" PORTION OF THE FMC DISAGREE QRH AND ANOMALY CLEARED.
VTK AND MAP APPEARED ON CAPTAIN'S ND. FMC FAILURE CHECKLIST COMPLIED WITH CAPTAIN'S FMC SHOWS FAILED, NOT RECOVERED. ACFT GROUNDED. NO HISTORY - 60 DAYS. ALIGNED NR 1 ADIRS. BITE TEST NR 1 FMC, CURRENT STATUS OF SENSORS, GOOD. LEFT FMC FMC SHOWED SEVERAL FAULTS LAST FLT INCLUDING, "ADIRS RIGHT L". ALL FAULTS CURRENTLY CHECK GOOD. ALL WERE INTERMITTENT FAULTS. GROUND VERIFICATION TEST GOOD, REF FIM 34-31/T801.
APU FIRE DETECTOR INOPERATIVE CAUTION LIGHT ILLUMINATED. ACFT GROUNDED. CONFIRMED FAULT, APU FIRE DETECTION WILL NOT TEST. FOUND M1925 APU TAILPIPE OVERHEAT DETECTOR ASSY DEFECTIVE (60 K OHM). REPLACED APU TAILPIPE OVERHEAT DETECTOR ASSY IAW AMM TASK 26-15-01, APU FIRE DETECTION SYS OPS GROUND FUNCTIONAL TEST IAW AMM TASK 26-15-00-710-801, OPS CHECKED NORMAL.
LEFT AFT OVERWING LOWER EMERGENCY LIGHT ASSY LENS AND BASE DAMAGED. ACFT GROUNDED. R & R THE LT OVERWING LOWER EMERGENCY LIGHT ASSY LENS AND HOSE. OPS CHECK GOOD IAW AMM 33-51-01-960-802.
NR 2 ENGINE BITE TEST SHOWS FAULT CODES 75-10592 TBV POSITION SIGNAL OUT OF RANGE, 75-20412 HPTACC POSITION SIGNAL DISAGREE, AND 75-10412 HPTACC POSITION SIGNAL DISAGREE. ACFT GROUNDED. REPLACED EEC FADEC IAW AMM 73-21-60-400-801-F00, EEC FADEC TEST PERFORMED, NO FAULTS. REF AMM 73-21-00-700-802-F00. EEC DISCRETE TEST PERFORMED, NO FAULTS. REF AMM 73-21-00-700-809F00.
JUST PRIOR TO PUSH BACK WHEN ATTEMPTING TO SWITCH FROM GROUND POWER TO APU, NOTICED NO VOLTS ON APU. ALSO, NOTICED APU BLEED AIR VALVE CYCLING ON AND OFF. SHUT DOWN APU. ATTEMPTED RESTART, UNSUCCESSFUL. APU FAULT LIGHT ILLUMINATED. ACFT GROUNDED. REPLACED APU FUEL CONTROL REF MM 49-31-11OPS & LK CK GOOD.
ON TAXI OUT, LEFT GEN DROPPED OFF LINE. VOLTS INDICATE ZERO. WOULD NOT RESET. ACFT GROUNDED. CONFIRMED FAULT, NO VOLTS AND FREQS NR 1 ENGINE DRIVEN GENERATOR. NO RESIDUAL VOLTAGE. R & R NR 1 ENGINE IDG REF AMM TASK 24-11-11-400-801. OPS CHECKS NORMAL REF AMM 24-21-00. ALSO ACCOMPLISHED AMM TASK 24-11-11-090-801C3, NO FAULTS NOTED.
FMC DISAGREE ON TAXI OUT. ACFT GROUNDED. COMPLIED WITH QRH.
FMC DISAGREE ON TAXIOUT. ACFT GROUNDED. QRH PROCEDURE ACCOMPLISHED. ALL FIXED.
"FMC DISAGREE" ANNUNCIATED AFTER ENGINE START. ACFT GROUNDED. QRH PROCEDURES FOLLOWED, OPS NORMAL.
RIGHT PACK LIGHT ILLUMINATED ON RECALL, RESET. ACFT GROUNDED. BITE OF RIGHT PACK/ZONE TEMP CONTROLLER IAW FIM 21-62, TASK 801 SHOWED RAM AIR ACTUATOR FAULT BUT VERIFY TEST DID NOT CONFIRM FAULT. ACCOMPLISHED T/C FOR RIGHT RAM AIR ACTUATOR FAULT IAW FIM 21-62, TASK 836, PACK/ZONE TEMPERATURE CONTROLLER BITE TEST IAW FIM 21-62, TASK 801 SHOWED NO FAULTS, AND ACTUATOR AND RAM AIR DOOR OPERATION WAS VERIFIED, OPS NORMAL.
FMC DISAGREE. ACFT GROUNDED. RAN FMC DISAGREE QRH AND OPS NORMAL.
AIR CONDITIONING, AUTO FAIL LIGHT CAME ON WHILE TAXING IN. ACFT GROUNDED. BITE CHECKED NR 1 AND NR 2 CPC FIM 21-31, TASK 827, 802 FOUND NR 2 CPC OFV LRU FAIL. OPS CHECKED NR 2 CPC IAW AMM 2131-00-710-801 AND AMM 21-31-00-700-802, ALL GROUND FUNCTIONAL TESTS PASS. NO HISTORY 30 DAYS. NR 1 CPC OPS NORMAL REF MM 21-31-00-700-802 & 21-31-00-710-801.
DURING APU START ATTEMPT, APPEARED TO HAVE NO EGT RISE FOLLOWED BY AN AMBER FAULT LIGHT, ATTEMPTED SECOND START AFTER WAITING 5 MIN ALLOWING FAULT LIGHT TO GO OUT. SECOND ATTEMPT HAD SAME RESULT. ACFT GROUNDED. DISCONNECTED & INSPECTED CONNECTOR P22 ON APU FUEL CONTROL. CLEANED CONTAMINATION FROM CONNECTOR. APU FUEL CONTROL PASSES TESTS. RECONNECTED CONNECTOR P22. APU STARTS AND RUNS NORMAL. NO FAULT MESSAGES. REF FIM 49-31-TASK 807, NO HISTORY PAST 60 DAYS.
RT PACK LIGHT ILLUMINATES ON RECALL. THE ASSOCIATED LIGHT EXTINGUISHES ON MASTER CAUTION. ACFT GROUNDED. PERFORMED BITE CHECK, FOUND RT TCV INOPERATIVE. R & R TCV REF AMM 21-51-10. PERFORMED OPS/LEAK CHECK, OPS/LEAK CHECK GOOD. PERFORMED BITE CHECK, BITE CHECK CONFIRMS FAULT CORRECTED.
DURING TAXI, RIGHT PACK LIGHT ILLUMINATED ON RECALL, WILL NOT RESET. ACFT GROUNDED. BITE TEST OF RT PACK ZONE TEMP CONTROLLER FAULTS RT TCV. REF FIM 21-62, TASK 831. REPLACED RT PACK TEMP CONTROL VALVE REF AMM 21-51-10. NO LEAKS NOTED. PERFORMED PACK ZONE TEMP CONTROLLER BITE TEST REF AMM 21-61-00-700-806-002. NO FAULTS NOTED.
NR 2 ENGINE WOULD NOT START. AT N2 25 PERCENT STARTER LEVER RAISED TO IDLE, THERE WAS NO START NO EGT RISE. F/A'S REPORTED WHITE SMOKE COMING OUT OF THE NR 2 ENGINE. ACFT GROUNDED. NO PIN DAMAGE NOTED. COMPLIED WITH IGNITION SYS AUDIBLE TEST IAW AMM TASK 74-00-00-750-801-F00 WITH TWO AUDIBLE CONFIRMATIONS. COMPLIED WITH MAIN IGNITER PLUG INSPECTION FOR THE RT PLUG, FOUND MORE THAN 50 PERCENT OF THE TIP AND ELECTRODE MISSING OR DAMAGED. R & R NR 2 ENGINE RT IGNITER PLUG IAW AMM TASK 74-21-02/401. COMPLIED WITH IGNITION SYS AUDIBLE TEST. NO FAULTS FOUND. STARTED NR 2 ENGINE WITH IGNITON RT SELECTED. ENGINE STARTS NORMAL NO DEFECTS NOTED.
FMC DISAGREE LIGHT CAME ON AFTER POWER TRANSFER, AFTER ENGINE START. ACFT GROUNDED. RAN CHECKLIST AND IT RESET. OPS NORMAL.
LEFT MAIN FUEL TANK QTY INDICATION DISPLAY DISAPPEARS INTERMITTENTLY. ACFT GROUNDED. FAULT CODE 28-41109, LOGGED ON MULTIPLE FLIGHT LEGS. PROCESSOR FAILED, R & R FUEL QTY PROCESSOR UNIT. OPS CK GOOD.
NR 1 ENGINE FAN BLADE SHIMS REQUIRE REPLACEMENT. ACFT GROUNDED. R & R FAN BLADE SHIMS IAW T/C 78472002.
DURING DESCENT, RT PACK LIGHT ILLUMINATED, WOULD NOT RESET. PACK LIGHT ONLY ILLUMINATES WITH MASTER CAUTION AND LIGHT GOES OUT WITH MASTER CAUTION RESET PUSHED. ACFT GROUNDED. INITIAL EVALUATION IAW TASK 21-53, TASK 808, FOUND FAULT TO BE INTERMITTENT (NO PACK LIGHT) INSPECTED CABIN AND COCKPIT TEMP SENSOR FILTERS, FOUND FILTERS CLOGGED, R & R FILTERS IAW TASK 21-61-06-000-801. PERFORMED BITE CHECK OF RT PACK ZONE TEMP CONTROLLER, SHOWED TCV THIS PACK ONLY ON BIT AND PREVIOUS FLIGHT, NOT ON VERIFY. RESET CONTROLLER, THEN SHOWED NO FAULTS. INTERMITTENT FAULT REF TASK 21-62, TASK 831. GROUND VERIFICATION SUCCESSFUL.
EMERGENCY SLIDE LIGHT, LT SIDE OF FUSELAGE INOPERATIVE. ACFT GROUNDED. REPLACED LAMP AND TESTED IAW MM 33-51-04-960-801. OPS NORMAL.
DURING CLIMBOUT RT PACK LIGHT ILLUMINATED, RESET MASTER CAUTION PACK LIGHT WENT OUT. ACFT GROUNDED. PERFORMED BITE TEST OF PACK/ZONE TEMP CONTROLLERS RT PACK SHOWS FAULT OF TCV. R & R TCV, PERFORMED BITE TEST OF PACK/ZONE TEMP CONTROLLERS, NO FAULTS FOUND, LEAK CHECKED VALVE, NO LEAKS NOTED.
NR 2 TAI INDICATED AMBER ON UPPER DISPLAY UNIT DURING CLIMBOUT. COWL VALVE OPEN LIGHT ILLUMINATED NORMALLY (BRIGHT THEN DIM). ACFT GROUNDED. R & R NR 2 ENGINE COWL TAI VALVE IAW AMM 30-21-11-000-801. OPS CHECKS GOOD & LEAK CK GOOD.
ON DEPARTURE, NR 2 ANTI ICE INDICATOR TURNED AMBER. NR 2 ENGINE ANTI-ICE SWITCH WAS CYCLED SEVERAL TIMES. ANTI ICE LIGHT INDICATED GREEN. NORMAL OPERATION DURING DESCENT. ACFT GROUNDED. PERFORMED NR 2 ENGINE COWL ANTI-ICE OPS TEST IAW AMM 30-21-00. OPS CHECKED NORMAL.
NR 2 AFT FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED. ACFT GROUNDED. CONFIRMED FUEL BOOST PUMP CIRCUIT BREAKER TRIPS WITH SWITCH ON. FOUND VOLTAGE AT PIN NR 1 OF D74 OF NR 2 AFT BOOST PUMP TO READ 26VAC, NOT THE REQUIRED 115VAC. REPLACED R20 GFI RELAY. RESET CIRCUIT BREAKER AND VERIFIED PROPER VOLTAGE TO D74, VOLTAGE CORRECT. RECONNECTED CONNECTOR. ALL OPS TEST GOOD. REF MM 28-22-18, MM 28-22-41, AND WDM 28-23-11. CONFIRMED GROUND TEST GOOD. CIRCUIT BREAKER STAYED IN AFTER RUNNING FOR ABOUT 10 MINUTES. ALSO, TURNED PUMP OFF AND ON SEVERAL TIMES. NO FAULTS.
LOW PSI LIGHT ILLUMINATED FUEL BOOST PUMP TANK 2, AFT. ACFT GROUNDED. OPERATED NR 2 AFT FUEL BOOST PUMP 5 MINUTES, CIRCUIT BREAKER REMAINED CLOSED. REPLACED CIRCUIT BREAKER C00828 PRECAUTIONARY REF WDM 28-23-00. REPAIR CONFIRMATION SUCCESSFUL IAW FIM 28-22, TASK 816.
NR 2 ENGINE HAS FAULT CODES 75-10362 HPTACC POSITION SIGNAL IS OUT OF RANGE, 75-20412 HPTACC POSITION SIGNAL DISAGREE, 75-10412 HPTACC POSITION SIGNAL DISAGREE. ACFT GROUNDED. CONFIRMED FAULT, NR 2 EEC BITE FAULT HISTORY SHOW FAULT CODES 75-10362, 75-20412, AND 75-10412 ON FLIGHT LEGS 0, 1, 5, AND 9. REPLACED 2 EEC REF AMM TASK 73-21-60. ACCOMPLISHED ENGINE RUN-UP, EEC TEST, & ACTUATOR TEST, OPS CHECK NORMAL REF AMM 71-00-00 AND AMM 73-21-00. VERIFIED THE CORRECT EEC SOFTWARE IAW IPC 73-21-60-01A.
LEFT PACK ILLUMINATED ON RECALL, EXTINGUISHED WITH MASTER RECALL RESET. ACFT GROUNDED. REPLACED LT RAM AIR ACTUATOR IAW AMM 21-51-21/401.
TECH SERVICE REQUESTS FOLLOW-UP TO NR 1 ENGINE IDG FREQUENT SERVICING. ACFT GROUNDED. RAN NR 1 ENG AT IDLE FOR 10 MINUTES, VERIFIED NO OIL LEAKS AT IDG, OIL COOLERS AND ITS PLUMBING. REPLACED IDG PUSH-TO-VENT VALVE IAW AMM TASK 24-11-00-700-804 AND SERVICE FITTING IAW CMM 24-11-85. FITTINGS LEAKS CHECK OK. SERVICED IDG OIL TO FULL.
LEFT PACK LIGHT ILLUMINATES WITH RECALL. ACFT GROUNDED. NR 1 TEMP CONTROLLER SHOWS RAM AIR ACT ON BIT TEST ONLY. RESET FAULT. FAULT DID NOT RETURN. BITE TEST NR1 CONTROLER GOOD REF FIM 21-62/T837. INTERMITTENT FAULT. GROUND VERIFICATION TEST GOOD. NO HISTORY - 60 DAYS.
FMC DISAGREE ILLUMINATED, ACFT GROUNDED. PERFORMED FMC DISAGREE CHECKLIST. OPS NORMAL.
AMBER RT PACK LIGHT COMES ON WITH RECALL GOES OUT WITH MASTER CAUTION RESET. ACFT GROUNDED. CONFIRMED FAULT, RT PACK / ZONE TEMP CONTROLLER SHOWS RT RAM AIR INLET ACTUATOR FAULT. REPLACED RT RAM AIR INLET ACTUATOR REF AMM TASK 21-51-21, OPS CHECK NORMAL REF AMM TASK 21-61-00-700-806-002.
AMBER RT PACK LIGHT COMES ON WITH RECALL, GOES OUT WITH MASTER CAUTION RESET. ACFT GROUNDED. PERFORMED SYS BITE TEST IAW AMM 21-61-00, RT ZONE ACT RED LIGHT ILLUMINATED. RESET RIGHT PACK, RE-TESTED RIGHT ZONE TEMP CONTROLLER, NO FAULTS NOTED.
AFTER NORMAL ENGINE START, OBSERVED NR 2 ENGINE OVERHEAT ANNUNCIATION. ALL START INDICATIONS NORMAL. ACFT GROUNDED. PERFORMED ENGINE OVERHEAT FIRE DETECTION TEST IAW TASK 26-10-00-710-801. FOUND NR 2 ENG OVERHEAT DETECTION LIGHT JAMMED. RESECURED LIGHT, RESET ALL CIRCUIT BREAKERS. RAN NR 2 ENG GATE AND ALL INDICATIONS CHECK NORMAL. ON ENGINE START, NR 2 ENG OVERHEAT LIGHT ILLUMINATED. ALL ENGINE START PARAMETERS NORMAL. ABORTED ENGINE START. CHECKLIST ACCOMPLISHED. REPEAT WRITE-UP. INSPECTED ALL A&B FIRE LOOPS. FOUND LOWER B LOOP TOUCHING MOUNTING ATTACHMENT. SECURED LOOP IN CORRECT POSITION. ACCOMPLISHED FIRE AND OVERHEAT DETECTION TASK NR 26-10-00-710-801. NO FAULTS NOTED. BITE TESTED FIRE DETECTION CONTROL UNIT AND NO FAULTS. RAN NR 2 ENG FOR 5 MIN AND NO FAULTS. REPEAT WRITE UP STARTED NR 2 ENG. EGT REACHED 520C. BEFORE ROLL BACK, NR 2 ENG OVHT LIGHT ILLUMINATED, RAN ABORTED ENGINE START PROCEDURE. REPLACED LOWER FAN FIRE DETECTOR AND RT CORE FIRE DETECTOR REF TASK 26-11-01. PERFORMED BITE CK ON FIRE DETECTION MODULE, OPS CK NORMAL REF TASK 26-11-00-710-801. NR 2 ENG OPS CK NORMAL ON ENG RUN, RAN FOR 10 MINS, NO DEFECTS NOTED.
NR 2 ENGINE OVERHEAT LIGHT DOES NOT ILLUMINATE DURING TEST. ACFT GROUNDED.
ENGINE NR 2 FIRE HANDLE DOES NOT ILLUMINATE DURING TEST. ACFT GROUNDED. MEASURED RESISTANCE ON ALL 4 FIRE DET ASSY, RESISTANCE ON ALL 4 ARE WITH IN LIMITS REF MM 26-10-00, NR 2 ENG FIRE DET. OPS TEST CHECKS NORMAL, NO DEFECTS NOTED REF MM 26-11-00. REPLACED NR 2 ENG RT CORE FIRE DET ASSY, OPS CK GOOD REF MM 26-11-01.
WHILE ACCOMPLISHING T/C 78472018 ON NR 2 ENGINE FOUND OTBD IGNITION IGNITER BURNED. ACFT GROUNDED. R & R NR 2 ENG IGNITERS IAW T/C 78474000.
FMC DISAGREE ON TAXI OUT. ACFT GROUNDED. PERFORMED QRH FMC DISAGREE NO LONGER DISPLAYED. GROUND FUNCTIONAL CHECK FOR FMC 1 & 2 GOOD IAW AMM 34-61-00, NO HISTORY LAST 30 DAYS.
WEATHER RADAR IN AUTO MODE WITH GAIN SET AT 12 O`CLOCK WILL NOT DISPLAY RETURNS. TESTED NORMAL, WORKS NORMAL IN MANUAL MODE. WORK IN AUTO MAP MODE. ACFT GROUNDED. PERFORMED WEATHER RADAR OPS TEST, REF 34-43-91. SYS CHECKED NORMAL. NO FAULTS FOUND. NO HISTORY IN 90 DAYS.
AFTER ENGINE START NR 2 GENERATOR WOULD NOT COME ON LINE. SHOWED 0 AMPS AND 0 VOLTS. ACFT GROUNDED. S6 GEN 2 CONT SWITCH CHECKED NORMAL REF WDM 24-22-21, PG 1, SH 1. REPLACED NR 2 GCU. NO HELP. RETURNED ORIGINAL NR 2 GCU REF AMM 24-21-81-000-801 AND 24-21-81-400-801. REPLACED NR 2 IDG REF AMM 24-11-11-400. ALSO ACCOMPLISHED TASK 24-11-11-090-801C3, UNSCHEDULED REMOVAL FOR CAUSE, NO DEFECTS FOUND. OPS CHECKED GOOD.
NR 2 ENGINE FIRE TEST FAILURE. ACFT GROUNDED. PERFORMED GVI ON NR 2 ENGINE FIRE LOOPS, NO FAULTS FOUND. PERFORMED BITE CHECK ON ENGINES AND APU FIRE LOOPS ALL 8 LIGHTS ILLUMINATED. PERFORMED 1 & 2 FIRE LOOP TEST NO DEFAULTS FOUND. NO HISTORY 30 DAYS. POSSIBLE ELECTRICAL GLITCH. REF AMM 26-11-00-710-801, FIM TASK 26-10-00-810-801.
NR 1 HF RADIO WILL NOT TRANSMIT IN ANY OF THE AUDIO PANELS. ACFT GROUNDED. ACCOMPLISHED HF COMMUNICATION SYS BITE, NO FAULTS NOTED, IAW MM 23-11-00, FIM 23-11, TASK 801. ACCOMPLISHED HF COMMUNICATION SYS TEST, WWV GROUND VERIFICATIONS TEST PASSED, ACARS LINK TEST PASSED, COMM TEST OK IAW MM 23-11-00-730-801.
NR 1 ENGINE TREND DATA CONTINUES TO SHOW ERRORS INDICATIVE OF EGT INDICATION SYS ANOMALIES. ALL OTHER PARAMETERS ARE NORMAL. COCKPIT INDICATION IS STILL WITHIN RANGE. ACFT GROUNDED. ACCOMPLISHED RESISTANCE CHECKS IAW TASK 77-21-01-801-F00, SUBTASK 77-21-01-760-001-F00 A) B) & C). FOUND T49.5 PROBE, S4 HAS HIGH RESISTANCE. APPROX 6 OHMS. AS PRECAUTIONARY, CLEANED ALL CONNECTORS WITH CONTACT CLEANER AND RE-ASSEMBLED IAW INSTALLATION TASK 77-21-01-400-801-F00. R & R T49.5 S4 PROBE IAW AMM REF 77-21-01-000-801/77-21-01-400-801-F00. OPS CKS GOOD.
WITH APU BLEED OFF AND ISOLATION VALVE CLOSED LT DUCT PRESS WAS STILL INDICATED. ACFT GROUNDED. REPLACED NR 1 ENG PRSOV AND BLEED AIR REGULATOR IAW AMM 36-11-03 AND 36-11-04. ACCOMPLISHED LEAK CKS FOUND OK.
DURING PACK HIGH FLOW INHIBIT CHECK WITH RT OFF, LT PACK DID NOT INDICATE GOING TO LOW FLOW WHEN FLAPS 1 WAS SELECTED. CABIN SHOULD RATE UP, IT RATED DOWN APPROX 600 FPM. ACFT GROUNDED. REPLACED LT PACK FLOW CONTROL AND SHUTOFF VALVE REF AMM 21-51-01. LEAK AND OPS CHECK GOOD REF AMM 21-51-01. REPLACED LT PACK ACM REF AMM 21-51-04. ACCOMPLISHED ACM INSTALLATION TEST REF AMM 21-51-04, TEST GOOD.
NR 1 ENG LT EXCITER BOX HAS SIGNS OF ARCING AND BURNING AT IGNITION LEAD RECEPTACLE. ACFT GROUNDED. R & R NR 1 LT EXCITER BOX IAW AMM 74-11-01, OPS CK GOOD IAW AMM 74-00-00.
RT RAM AIR DOOR ACTUATOR IS INOPERATIVE. ACFT GROUNDED. R & R RT RAM AIR DOOR ACTUATOR IAW AMM 21-51-2. OPS CHECKED GOOD IAW AMM 21-51-21.
AFT CARGO TRANSITION PANEL CRACKED AT FASTNER HOLE. REPAIRED AFT CARGO FLOOR SUPPORT ANGLE AT BS 727J, STR 24R IAW SRM 53-00-53, ALODINED AND PRIMED IAW SRM 51-20-01. DAMAGE CUTOUT ON FLOOR SUPPORT AND REPLACED WITH NEW 2 CHANNEL SECTION, FABRICATED REPAIR SPLICE AND INSTALLED.
DURING DESENT , ENGINE ANTI ICE SELECTED TO ON, NR 2 ENGINE ANTI ICE LIGHT STAYED BRIGHT BLUE, N1 TAI INDICATION WAS AMBER. R & R NR 2 ENG THERMAL ANTI ICE NOSE COWL VALVE IAW AMM 30-21-11, OPS CKS GOOD, ALL INDICATION CK GOOD, NO LEAKS NOTED.
RT FMC BUTTON 6L VERY DIFFICULT TO DEPRESS. ACFT GROUNDED. REPLACED THE RT FMS CDU. ETOPS GROUND VERIFICATION TEST SUCCESSFUL IAW MM 34-61-01.
WITH ONLY NR 1 ENGINE RUNNING. NR 1 ENGINE GENERATOR KICKED OFF LINE AND WOULD NOT RESET. OCCURRED DURING APU START CYCLE. NR 1 GCU POSTED IDG FAULT LIGHT IAW FIM 24-21/805 STEP F.(1), R & R NR 1 ENGINE IDG IAW AMM 24-11-11-500-801, 24-11-11-400-801 AND 24-11-00-700-802. PERFORMED OPS CHECK OF IDG IAW MM 24-11-00-700-802. OPS CHECKED GOOD.
LEFT CAPTAINS WINDOW OVERHEAT LIGHT ILLUMINATED. QRH PROCEDURE FOLLOWED MX AND DISPATCH NOTIFIED VIA ACARS AT 0117Z. PERFORMED BITE CK OF WHCU IAW FIM TASK 30-41 TASK 801 NO CURRENT FAULTS. FAULT HISTORY SHOWS LT SIDE WINDOW SENSOR FAULT. SWAPPED LT SIDE TEMP SENSORS TO SPARE IAW FIM TASK 30-41-00. PERFORMED BITE CHECK - BITE CHECKED OK IAW FIM TASK 30-41-00. GROUND VERIFICATION OK.
ON LANDING, CHECK RECALL LT PACK ILLUMINATED, WENT OUT ON RESET. ACCOMPLISHED BITE CHECK ON LT PACK ZONE CONTROLLER. NO FAULTS FOUND. ADJUSTED RAM AIR INLET REFLECTOR DOOR & MODULATION PANELS REF AMM 21-51-22-400-803. OPS/BITE CHECKED NORMAL.
LEFT FUEL GAUGE READ 8600 - DROPPED TO 8200 AFTER FUELING - SAME NOTED ON CKPT GAUGES. ACFT GROUNDED. ACCOMPLISHED FQIS BITE PROCEDURE REF FIM 28-41-801, FOUND FAULT 28-41208, 2 TANK COMPENSATOR DATA BAD, NO FAULTS NOTED FOR TANK NR 1. FAULT HISTORY SHOWS FAULTS 28-41108 AND 28-41208 FOR EA OF THE PAST 25 FLIGHT LEGS. FOUND CAPACITANCE FOR 1 AND 2 TANK COMPENSATORS OUT OF LIMITS, REF MM 28-41-00-730-801. FOUND EXTERMELY SMALL QUANTITY OF WATER IN FUEL SAMPLES FROM BOTH TANKS. DEFUELED AND SUMPED BOTH WING TANKS, WAITED 1 HR AND TRANSFERRED 4K LBS TO WING TANKS AND THEN DEFUELED AND SUMPED TANKS AGAIN, NO WATER NOTED. ACCOMPLISHED FQIS SYS TEST, NR 1 AND NR 2 TANK COMPENSATOR UNITS CAPACITANCES WITHIN LIMITS, REF MM 28-41-00-730-801. REACCOMPLISHED FQIS BITE, TEST PASSED, NO SYSTEM FAULTS NOTED REF FIM 28-41-801. SUSPECT THIS PROBLEM IS DUE TO A KNOWN CONDITION WHERE WATER ACCUMULATES UNDER TANK COMPENSATOR UNITS AND FREEZES. NO HISTORY LAST 45 DAYS.
AUTOTHROTTLE TRIPPED OFF SHORTLY AFTER TOGA SELECTED ON TAKEOFF. NR 2 RT THRUST LEVER AHEAD OF LT AT TIME OF EVENT. WOULD NOT STAY ARMED WHEN RESELECTED IN FLIGHT. DUPLICATED DEFECT ON GROUND VERIFICATION, FOUND ASM NR 1 HARD FAIL. REPLACED NR 1 ASM REF MM22-31-91, OPS TEST NORMAL, AND SERVO MOTOR TEST NORMAL.
ON RECALL CONT CAB ZONE TEMP LIGHT ILLUMINATES AND EXTINGUISHES WITH PUSH TO RESET. FOUND FAULT ON NR 2 CONTROLLER FLIGHT DECK TRIM VALVE. ACCOMPLISHED RESET AND TEST PROCEDURES IAW TASK 21-61-20-400-801. FAULT CLEARED AND DID NOT REAPPEAR.
CAPTAIN SIDE ON 6 PACK MASTER CAUTION OVERHEAT DETECTOR WILL NOT ILLUMINATE ON FIRE FAULT INOPERATIVE OR OVERHEAT FIRE SELF TEST. ACFT GROUNDED. ACCOMPLISHED MASTER CAUTION DISPLAY TROUBLESHOOTING IAW FIM TASK 31-52-00-810-802. RECYCLED OVERHEAT DETECTION MA WARN & CONT CIRCUIT BREAKER. OPS CHECKED OVERHEAT DETECTION OPS CHECKED GOOD.
APU FAILED TO START. NO FLAME SHUTDOWN FAULT CODE 49-41011. REPLACED APU IGNITION UNIT REF AMM 49-41-31. REPLACED APU IGNITER PLUG REF AMM 49-41-51. REPLACED APU IGNITER PLUG LEAD REF AMM 49-41-52. PERFORMED APU IGNITION UNIT, IGNITER PLUG AND IGNITER PLUG LEAD INSTALLATION TEST REF AMM 49-11-00-860-801. TEST PASSED. APU OK FOR SERVICE.
APU INOP, DUE TO NO FLAME SHUTDOWN, FAULT CODE 49-41011. ACFT GROUNDED. PERFORMED FIM TASK 49-40 TASK 802 BITE CHECKS NO CURRENT FAULTS, START/OPERATION/SHUTDOWN CHECKS GOOD, INLET PLENUM AND COMPRESSOR INLET CLEAR. BITE CHECKS GOOD 5 START CYCLES, NO HISTORY 90 DAYS. REPLACED APU IGNITER PLUG OPS CKD GOOD, REF MM 49-41-51.
NR 2 ENGINE FAN DUCT PANEL AT 200 POSITION LOWER MIDDLE BOLT PULLING THROUGH HOLE. R & R NR 2 ENGINE FAN DUCT PANEL IAW AMM 72-23-07-000-801.
NR 1 AND 2 FUEL TANK GUAGES ERRATIC. FLUCUATIONS UP TO 800 LBS IN NR 2 TANK AND UP TO 400 LBS IN NR 1 TANK, WHILE BURNING FROM CENTER TANK. FLUCTUATIONS CEASED ONCE LEVEL. CRUISE ALTITUDE OF FL340 AFTER APPROX 30 MIN. REMAINDER OF FLIGHT FUEL BURN PLUS TOTALIZER FUEL YEILED T/O FUEL OF 42.4 VERSUS 41.7 UPLOADED. IAW AMM 12-11-00 SUMPED BOTH MAIN TANKS. FOUND WATER, REMOVED WATER. PERFORMED OPS TEST OF THE FQIS. NO FAULTS FOUND GROUND VERIFICATION SUCCESSFUL IAW AMM 28-41-00. PERFORMED FUEL COMPARISON CHECK IAW AMM 28-41-00. COMPARED FUEL STICKS TO FLT DECK INDICATION. FOUND TO BE WITHIN LIMITS. NO HISTORY PAST 60 DAYS. ACFT OK FOR SERVICE.
FOLLOWING GROUND POWER INTERRUPTION APU INDICATES FAULT ON START. WILL NOT START. RESTARTED APU AFTER 5 MINUTES. APU STARTED NORMAL, NO FAULT LIGHT ILLUMINATED, NO HISTORY ON LAST 30 DAYS. OK FOR SERVICE.
CONTROL CABIN ZONE TEMP ILLUM DURING RECALL AFTER START- EXTINGUISHED WITH MASTER CAUTION RESET. ACFT GROUNDED. R & R ZONE TRIM AIR MODULATING VALVE. REF AMM 21-61-21. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE CK. NO FAULTS NOTED. LK CKD GOOD.
FMC DISSAGREE LIGHT CAME ON AFTER PUSH. ACCOMPLISHED QRH PROCEDURE. NORMAL OPS RESTORED.
CONTROL CABIN ZONE TEMP LIGHT ILLUMINATES ON RECALL, LIGHT RESETS NORMALLY. NR 2 CONTROLLER LOGGED FLT DECK TRIM VALVE FAULT. NO HISTORY-FAULT RESET. RAN PACK-TEMP CONTROL NORMAL. NO CURRENT FAULTS, GROUND VERIFICATION SUCCESSFUL REF FIM 21-62, TASK 842.
ON PREFLIGHT, NOTICED PRESSURIZATION CONTROL PANEL AUTO FAIL AND ALTN LIGHTS ILLUMINATED WITH MODE SELECTOR IN AUTO POSITION. RESET CABIN PRESSURE CONTROLLER BY TURNING SELECTOR TO MANUAL THEN BACK TO AUTO. CONTROLLER RESET. PERFORMED GROUND VERIFICATION. CABIN PRESSURE CONTROLLER BITE TEST SHOWED NO CURRENT FAULTS. REF FIM TASK 21-31-801.
FMC DISAGREE ON TAXI OUT. FOLLOWED QRH PROCEDURE AND RESET 2 CBS. FMC OPS NORMAL.
NR 1 IDG DPI EXTENDED. ACFT GROUNDED. THIS IS THE 2ND NR 1 ENG DPI OCCURANCE. R & R IDG SCAVENGE AND CHARGE FILTER. NO DEFECTS ON REMOVED FILTERS. RESET DPI AND SERVICED IDG. OPS AND LK CKS GOOD. ALL REF MM 24-11-41-200-801.
FMC LIGHT ILLUMINATED DURING TAXI. ACFT GROUNDED. COMPLIED WITH QRH FMC LIGHT EXTINGUISHED.
APU FAULT LIGHT ILLUMINATED DURING APU START, LIGHT WENT OUT WHEN SWITCHED TO OFF. SECOND APU START WAS NORMAL. PERFORMED APU OPS TEST IAW AMM 49-11-00-701-801. APU CHECKS NORMAL. NO FAULTS ON CURRENT STATUS.
AFTER ENGINE START, RECEIVED AN FMC DISAGREE LIGHT. RAN QRH PROCEDURE. LIGHT CLEARED, CONTINUED NORMAL OPERATIONS.
RT PACK LIGHT ILLUMINATES ON MASTER CAUTION RECALL. EXTINGUISHES WHEN MASTER CAUTION RESET. PERFORMED PACK/ZONE TEMP CONTROLLER BITE TEST IAW MM 21-61-00. CONFIRMED FAULT, FOUND HARD FAIL ON NR 2 CONTROLLER, THIS PACK TEMP CONTROL VALVE. R & R TEMP CONTROL VALVE (V141) IAW MM 21-61-21. GROUND VERIFICATION TEST GOOD.
RT PACK LIGHT ILLUMINATES ON MASTER RECALL RECALL-EXTINGUISHES WHEN MASTER CAUTION IS RESET. NR1 CONTROLLER SHOWS STANDBY CONTROLLER FAULT, NR2 CONTROLLER SHOWS TCV FAULT. BOTH FAULTS RESET,VERIFIED. RAN BOTH PACKS REF MM 21-61-00, OPS NORMAL, SAME. GROUND VERIFICATION GOOD. SEAM C NOTIFIED.
NR 2 ENGINE WOULD NOT START, NO ROTATION. R & R NR 2 ENGINE START VALVE IAW MM 80-11-03-00-801-F00. OPS AND LEAK CHECKED GOOD.
NR 2 ENG FAN BLADE LUBE FOUND 10 PLATFORMS WITH TORN RUBBER SEALS. ACFT GROUNDED. INSTALLED 10 NEW FAN BLADE PLATFORMS IAW TC 78472002. ACCOMPLISHED VIBRATION SURVEY TEST 7 IAW AMM 71-00-00, NR 2 ENG VIB WITHIN LIMITS.
ON CLIMB, RT DUCT PRESSURE 14 PSI LT DUCT PRES 39PSI AT CRUISE BOTH 38 PSI. ACFT GROUNDED. R & R NR 2 ENGINE BAR IAW MM 36-11-03-400-801 AND NR 2 ENGINE PRSOV IAW MM 36-11-04-400-801. HEALTH CHECK ACCOMPLISHED IAW MM 36-11-00-700-801. FAILED ENGINE RUN, DUCT PRESSURE HIGH AT HIGH POWER REF 36-11-00. FOUND DOWNSTREAM PRESSURE SENSE LINE ON NR 2 ENG PRSOV LEAKING DUE TO BAD FITTING. REPLACED FITTING. LEAK CKS OK. BLEED SYS REQUIRES OPS CK IAW MM 36-11-00-710-801. ACCOMPLISHED BLEED AIR OPS TEST & REPAIR CONFIRMATION REF MM 36-11-00-710-801 & FIM 36-10-00-810-807. NO OPS DEFECTS NOTED.
RT "PACK" ILLUMINATED ON RECALL. ACFT GROUNDED. PERFORMED FIM TASK 21-53-00-810-804, RTT PACK LIGHT ON STAYS OFF AFTER RESET. FOUND NR 2 CONTROLLER LOGGED "THIS PACK TCV" FAULT. RESET CONTROLLER AND OPERATED PACK. GROUND VERIFICATION TESTS NORMAL.
NR 2 FUEL FILTER BYPASS LIGHT ILLUMINATED ON TAXI. ACFT GROUNDED. FOUND CONNECTOR PLUG FOR NR 2 ENGINE FUEL DIFFERENTIAL PRESSURE SWITCH LOOSE AND COVERED WITH SURFACE CORROSION. CLEANED CONNECTOR AND SWITCH. RESECURED CONNECTOR AND PERFORMED NR 2 ENGINE RUN, NO FAULTS NOTED ALSO RAN EEC BITE AND EEC RECENT FAULTS TEST NO FAULTS. (MM REF 73-21-00).
AUTOTHROTTLES WILL NOT REMAIN ENGAGED. PERFORMED CURRENT STATUS TEST SERVO MOTOR TEST AND TORQUE TEST. NO FAULTS AND NO HISTORY 60 DAYS.
AUTOTHROTTLE DISENGAGED AFTER TAKEOFF UNABLE TO RE-ENGAGE NO C/B'S POPPED. UNABLE TO DUP/VERIFY DISCREP REF FIMS 22 32 TASK 806 FIM 22 31 TASK 801/805 FLT FAULT REVIEW SHOWED ASM 2 RATE MONITOR FAULT. PERFORMED A/T CURRENT STATUS BITE AND INTERACTIVE SERVO MOTOR TEST. ALL GOOD.
AFTER ENGINE START ON GROUND CONT CAB ZONE TEMP LIGHT ILLUMINATED UPON RECALL. LIGHT CANCELS WITH MASTER CAUTION RESET PER QRH PROCEDURE. PERFORMED FIM TASK 21-62-00-810-842 CONTROL CABIN ZONE TEMP LIGHT ON AND STAY OFF AFTER RESET. CONFIRMED FAULT TCV FAULT ON NR 2 CONTROLLER. REPLACED ZONE TRIM AIR MODULATING VALVE NR 143 PER MM 21-61-21-000-801. OPS CHECKED GOOD.
NR 1 IDG DPI RED INDICATOR EXTENDED. PERFORMED FIM TASK 24 11 00 810 803 IDG DPI FAULT ISOLATION INTERROGATED FMC CDU TC 78273000. FILTER INSP COMPLETED REF: TC 78424000 CHANGED OIL REF: TC 78424000 OPS CHECKED GOOD LEAK CHECKED GOOD.
AUTO THROTTLE WON'T ENGAGE. A/T BITE TEST NORMAL PER MM 22 31 10 401 & FIM 22 11 T802.
AIRCRAFT HAS "DIRTY SOCK" SMELL ON TAKEOFF AND DESCENT. ACCOMPLISHED TASK 05 60 00 280 801C1 PARAGRAPH 2A THRU 2E RAW OIL FOUND IN THE INTERNAL AREAS OF THE DRAIN CAVITY APU REQUIRES REPLACEMENT. REPLACED APU OPS/LEAK CHECKED APU PER T/C 78349010. NO EVIDENCE OF OIL IN REMOVED APU'S BLEED AIR VALVE AND APU COMPARTMENT DUCTING. RAN APU WITH BLEED AIR ON AND STRINGER INSTALLED FOR 1 HOUR. RAN PACKS USING APU AIR AFTER STRINGER REMOVAL. NO ODOR DETECTED. REF MM 21 00 01 100 801 STEPS E(1) E(6)(C).
AFT ANTI SKID MATERIAL MISSING & TORN ON OUTFLOW VALVE. ACFT GROUNDED. REMOVED DAMAGED ANTI SKID FOIL FROM AFT OUTFLOW VALVE IAW AMM 21-31-03-000-801. ACCOMPLISHED EA 2130-01028.
CO-PILOT SIDE WINDOW HEAT OVERHEAT LIGHT ILLUMINATED. ACCOMP FIM 30 41 00 810 811 STEP G SENSOR USED RANG 390OHMS. SPARE RANG 386 OHMS. ACCOMP OPS TEST WINDOW HEAT AMM 30 41 0 710 801. WINDOW HEATED TO 150'. ON PWR TEST AFTER OVERHEAT ILLUMINATED AND ON LIGHT WENT OUT SWITCHED R2 TO OFF AND THEN BACK ON AND "ON" LIGHT REMAINED ILLUMINATED. REPLACED NR 2 OPENABLE WINDOW PER MM 56 12 11 T/C 78256003 & EA 800 30EA 06933. OPS TEST GOOD.
ON RECALL CONT CAB ZONE TEMP LIGHT ILLUMINATES EXTINGUISHES WITH MASTER CAUTION RESET. NR 2 TEMP CONTROLLER LOGGED FLT DECK TRIM VALVE FAULT. FAULT RESET OK. CURRENT STATUS NORMAL. GROUND VERIFICATION SUCCESSFUL. REF FIM 21 62 TASK 842. M/M BITE PROCEDURE 21 62 0 RAN LEFT PACK SYSTEM OPS NORMAL REF MM 21 61 0. ACFT OK FOR SERVICE.
DURING NR 2 ENGINE START NO EGT. MOTORED ENGINE AT 27 PERCENT N2 FOLLOWED QRH AND SHUT IT DOWN. (IGN SWITCH IN IGN R POSITION). REMOVED NR 2 ENGINE INGNITER R PLUG IN REF AMM 74 21 02. FOUND PLUG MELTED. INSTALLED NEW SERVICE ALB IGNITER PLUG IN REF AMM 74 21 02. PERFORMED AUDIBLE TEST OF THE IGNITION SYSEM IN REF AMM 74 00 00 750 801 FOO. OPS CHECK GOOD.
NR 1 GEN SOURCE OFF LIGHT CAME ON IN FLIGHT WOULD NOT RESET / APU COVERED THE BUS. GCU 1 SHOWS IDG FAULT. REPLACED NR 1 ENG IDG PER MM 24 11 11 000 801 AND 24 11 11 400 801. PERFORMED OPERATIONAL TEST REF AMM 24 11 00 700 802. OPS CHECK GOOD.
AUTO THROTTLE DC 1 CIRCUIT BREAKER POPPED D 18 1 E1. RESET AUTO THROTTLE DC 1 CIRCUIT BREAKER AND TEST GOOD IAW B737NG AMM 22 31 00.
PERFORMED NR 2 ENGINE BLEED AIR HEALTH CHECK. PRSOV AND HIGH STAGE VALVE FAILED. NR 2 PRSOV REPLACED AND INSTALLATION TEST GOOD IAW B737NG MM 36 11 04. NR 2 HIGH STAGE VALVE REPLACED AND INSTALLATION TEST GOOD IAW B737NG MM 36 11 08.
WEATHER RADAR IS "SPOKING" OTHERWISE OPERATES OK. FOUND RADAR TRANSCEIVER LOOSE IN RACK. RE-SECURED SYS TESTS GOOD.
WHILE TRYING TO START ENG NR 1 IT ONLY REACHED 21 22 PERCENT AND STARTED TO ROLL BACK. THIS WAS ACCOMPANIED BY A LOUD WHINING NOISE. ALSO THE RAMP REPORTED SPARKS COMING FROM THE MOTOR. FUEL WAS NEVER INTRODUCED. REMOVED AND INSTALLED NEW STARTER ON THE NR 1 ENG, OPS CHECK NORMAL REF AMM 80 11 01 000 801 FOO AND 80 11 01 400 801 FOO. RAN ENG NR 1 NO SPARKS NOTED REF AMM 71 00 00 800 811 FOO.
CAPTS MCDU IS VERY DIM AT MAXIMUM BRIGHTNESS SETTINGS. UNIT IS STILL USABLE DISPLAY IS NOT ABLE TO BE MADE BRIGHT ENOUGH IN A BRIGHTLY LIT COCKPIT. REPLACED CAPT MCDU. INSTALLATION TEST GOOD REF AMM 34 61 01.
ON TAKEOFF PASSING 2000FT W/ PWR AT 940 N1 LEFT PACK DUCT PRESSURE = 90 PSI POWER PULLED BACK TO 70.0 N1 LEFT DUCT PRESS = 70 PSI. PWR AT IDLE LEFT DUCT PRESS = 45 PSI (RIGHT=35 PSI). PWR 60.0 N1 LEFT DUCT PRESS = 60 PSI. PRESSURIZATION = NORMAL. LEFT PACK DUCT PRESS ALWAYS STEADY NO OSCILLATIONS. MAX ALTITUDE FL200. FOR REF RIGHT DUCT PRESS STEADY APROX 30 PSI. ATB SEA. DIVERSION TIME 17 MINUTES. PERFORMED WRENCH CHECK OF HIGH STAGE VALVE AND FOUND TO BE STICKING. REPLACED HIGH STAGE VALVE REF MM 36 11 06. LEAK CHECK GOOD. ACCOMPLISHED ENGINE BLEED AIR SYSTEM HEALTH CHECK AND FOUND BLEED AIR REGULATOR AND HIGH STAGE REGULATOR BAD 36 11 07. REPLACED BLEED AIR AND HIGH STAGE REGULATORS. LEAK CHECK OF BLEED AIR SYSTEM GOOD. ACCOMPLISHED FIM TASK 36 10 00 810 803 PG 35 STEP 6 15 AND 36 10 00 301 FIG 305, OPS CHECK GOOD NO FAULTS NOTED.
AUTO THROTTLE WILL NOT STAY ENGAGED. REMOVED AND REPLACED NR 1 AT SERVO MOTOR IAW AMM TASK 22 31 91 400 801, OPS CHECK NORMAL.
WX RADAR PRESENTS FALSE RETURNS AT 60, 70 DEG LEFT AND RIGHT AT APPROX 5 MILES. REF FIM 34 43 TASK 802. PERFORMED WXR OPERATIONAL TEST PER MM 34 43 00 710 802 001 NO FAULTS NOTED. ALSO PERFORMED WXR BITE PER MM 34 43 00 810 801 NO FAULTS FOUND. NO HISTORY PAST 60 DAYS.
UPON RECALL CONT CABIN ZONE TEMP LIGHT ILLUMINATES. EXTINGUISHES W/MASTER CAUTION RESET. PERFORMED PACK/ZONE TEMPERATURE CONTROLLER BITE TEST. NO FAULTS LOGGED. PERFORMED CABIN TEMPERATURE CONTROL & INDICATION OPERATIONAL TEST. OPS CHECK GOOD. REF AMM 21 61 00 NO HISTORY LAST 90 DAYS. THIS IS A SUCCESSFUL GROUND VERIFICATION TEST.
ON DESCENT AT APPROX 15,000 MSL THERE WAS A STRONG SMELL OF DIRTY SOCKS IN BOTH THE COCKPIT AND PASSENGER CABIN. ODOR CONTINUED THROUGH 10,000 MSL TO LANDING. DURING INITIAL EVALUATION STARTED APU AND OPERATED BOTH LEFT AND RIGHT A/C PACKS. DETERMINED THERE WAS A STRONG SMELL OF OIL IN CABIN. INSPECTED APU FOR LEAKS WHILE RUNNING. FOUND SMALL AMOUNT OF OIL (MIST) COMING FROM APU CENTER DRAIN. REF AMM 21 00 00 810 806. ACCOMPLISHED OIL CONTAMINATION REMOVAL FROM AIR CONDITIONING AND PNEUMATIC SYSTEMS REF TASK 21 00 01 100 801. NO MORE ODOR DETECTED. REMOVED APU REF MM 49 11 00 000 803, INSTALLED APU THRU STEP J 7 (D 5) REF MM 49 11 00 400 803. REPLACED AIR INLET SEAL REF MM 49 15 11. FINISHED INSTALLATION OF APU & ACCOMPLISHED LEAK & OPERATIONAL CHECK GOOD. REF AMM 49 11 00 400 803 STEPS J. (2) (E) (1) THRU (7) & K. L. M & N. NO CABIN ODOR NOTED AT THIS TIME.
GOT FAIL LIGHT ON NR 2 HF. REBOOTED HF 2 PERFORMED FIM 23 11 00 810 803 BITE TESTED PER MM 23 11 00 810 801 TESTS OK, NO HISTORY.
WHILE ACCOMPLISHING T/C 78472040 AGB/TGB CHIP DETECTORS INSPECTION FOUND ALUMINUM DEBRIS IN NR 1 ENGINE AGB/TGB CHIP DETECTOR. NR 1 ENGINE AGB TGB CHIPS DETERMINED TO BE SILVER FLAKING NO MAGNETIC MATERIAL NOTED. CHIPS ROUTED FOR LAB ANALYSIS. ENGINE MAY CONTINUE IN SERVICE WITH A REDUCED MCD INSPECTION INTERVAL AT 50-75 HOURS RETURN TO NORMAL INSPECTION INTERVAL WHEN THE MCD IS FOUND TO BE CLEAN REF MM 79-00-00-200-804-F00. AGB/TGB CHIP DETECTOR INSPECTED AND FOUND CLEAN, NO METAL. PLT CLEARED. RETURN TO NORMAL INSPECTION INTERVAL.
APU ELECTRICS DROPPED OFF LINE 2 TIMES. GVI ON APU NO DEFECT FOUND. APU GCU LRU TEST PASSED. APU BITE NO CURRENT FAULT NO RELATED FAULT FOUND ON FAULT HISTORY & NO HISTORY IN TRAX. PERFORMED OPERATIONAL TEST FOR AC GENERATION & CONTROL SYSTEM REF MM 24 21 00 700 803 STEP E, OPS NORMAL.
NR 1 ENGINE IDG DELTA P FOUND POPPED. REMOVED & REPLACED NR 1 ENG IDG SCAVENGE FILTER. DRAINED & RESERVICED OIL. 1ST IDG DELTA P PIN POPPED & FILTER CHANGE. PLACARD MARKED TO INDICATE. LEAK & OPS CHECK GOOD AMM REF 24 11 41.
F/O AUTOPILOT WOULD NOT ENGAGE. NR 1 ENGAGED OK. REPLACED AUTO PILOT MODE CONTROL PANEL PER MM 22 11 34/401 DFGS TEST FOR MCP LAND VERIFY & HGS SENSOR TEST FOR FCC/AT CHECKS GOOD. VERIFICATION AUTOLAND SUCCESSFUL.
NR 2 DRIVE LIGHT ILLUMINATED. SHOWING 0 VOLTS 0 FREQUENCY ON GENERATOR NR 2. TROUBLESHOT PER TASK 24 11 11 01A. NO VOLTS OR FREQS. GCU BITE PER TASK 24 21 00 810 801 INDICATES FAULTY IDG. REPLACED NR 2 ENGINE IDG PER MM 24 11 11 400 801 ALL OPS CHECKS NORMAL PER MM 24 11 00 700 803.
AS PER MX REQUEST HF 1 CHECK OVER LAIRE (N 5848.2 W 14031.7) ON FREQ 6640 AND 8933 SELCAL WORKED AND SFO RADIO RECEIVED OUR TRANSMISSION. RECEIVED 1 BY 5 AUDIBLE BUT NOT INTELLIGIBLE AND VERY WEAK. HF 2 SELCAL WORKED NORMAL AND TRANSMITTED 4 BY 5 RECEIVED 3 BY 5. NOTE: ON COMING ETOPS QUAL CREW REPORTS NR 1 HF HAD AM SELECTED & SENSE SET LOW AT 75 PERCENT. OPS CHECK NR 1HF OK REF 23 11 00. VERIFICATION FLIGHT SUCCESSFUL.