N431AS

Part: SIGN — DETACHED (ZONE 200) · airframe 42,424 hrs · 13,306 cycles

CLEANERS REPORT THAT WHILE CLEANING CEILING THE MID CABIN EMERGENCY EXIT SIGN FELL DOWN. GROUNDED - YES. FOUND 2 OF THE 4 ATTACHING SCREWS MISSING & THE EXISTING SCREWS VERY LOOSE. INSTALLED 2 SCREWS & REINSTALLED MID CABIN EMERGENCY EXIT SIGN. OPS CHECK OK.

Part: LENS — MISSING (ZONE 200) · airframe 42,117 hrs · 13,221 cycles

EXIT PLACARD MISSING AT SEAT 16D. GROUNDED - YES. REPLACED MISSING EXIT LENS LIGHT COVER AT ROW 16D. REF IAPC 33-51-01-06F.

Part: FLOORBEAM — CORRODED (ZONE 200) · corrosion level 2 · airframe 41,957 hrs · 13,159 cycles

FLOOR BEAM STA.947.5 RBL.48 AND RBL.52 HAVE AREAS OF CORROSION. (MARKED IN RED). GROUNDED - YES. EVALUATED CORROSION-CORROSION IS OUT OF LIMITS DUE TO PROXIMITY TO A HARD POINT IAW B737-900ER SRM 53-70-51-1A-1. FULL T-CAP REPAIR ACCOMPLISHED ON ALASKA CARD#G2129615(HAECO N/R 34115). MAJOR REPAIR TRACKING ACCOMPLISHED ON ALASKA CARD# G2129615 (HAECO N/R 34115).

Part: FLOOR PANEL — PEELING (ZONE 200) · airframe 39,397 hrs · 12,389 cycles

CABIN FLOOR PANEL 141A5810-142 HAS PEELING FIBER. GROUNDED - YES. ACCOMPLISHED PERMANENT REPAIR TO CABIN FLOOR PANEL 141A5810-142. IAW B737-900 ER SRM 53-00-50-2R-0 REPAIR GENERAL.

Part: FLOORBEAM — CORRODED (ZONE 200) · corrosion level 2 · airframe 41,957 hrs · 13,159 cycles

FLOOR BEAM @ STA 947.5 LBL 54 HAS AREA OF CORROSION. GROUNDED - YES. EVALUATED CORROSION-CORROSION IS OUT OF LIMITS DUE TO PROXIMITY TO A HARD POINT IAW B737-900ER SRM 53-70-51-1A-1. ACCOMPLISHED T-CAP REPAIR IAW B737-900ER SRM 53-70-51-2R-5. REMOVED AND REINSTALLED ADJACENT FLOOR STRUCTURE AS REQUIRED IAW B737-900ER SRM 51-40-02. REF BAC OWG'S 147A8501 AND 147A5650.

Part: FLOOR SUPPORT — CORRODED (ZONE 200) · corrosion level 2 · airframe 41,957 hrs · 16,159 cycles

INTERCOSTAL BETWEEN STA.294.5 AND STA.312 LBL.12 HAS AREA OF CORROSION. (MARKED IN RED). GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL P/N 141A5690U1 PO# 1117242.6 IAW B737-900ER SRM 51-40-02. LOOSENED CABLES MLGEA, EA (LEFT) AND EB (LEFT) TO FOM IAW B737-900 AMM 20.10.91 FOUND CABLES KINKED AND REPLACED ON CUSTOMER CARDS G2129735 AND G2129734.

Part: FLOOR PANEL — DELAMINATED (ZONE 200) · airframe 39,397 hrs · 12,389 cycles

CABIN FLOOR PANEL 143A5810-594 HAS BROKEN INSERT & PEELING FIBER ON BOTTOM. GROUNDED - YES. REPAIRED FLOOR PANEL 143A5810-594 IAW B737-900ER SRM 53-00-50-1A-1, SRM 53-00-50-2R-7, SRM 53-00-50-2R-0.

Part: FLOOR SUPPORT — CORRODED (ZONE 200) · corrosion level 2 · airframe 41,957 hrs · 13,159 cycles

INTERCOSTAL AT STA 947.5 FLOOR BEAM LBL 51 HAS AREA OF CORROSION. GROUNDED - YES. REMOVED INTERCOSTAL IAW B737-900ER SRM 51-40-02. CHECKED LIMITS AND FOUND OUT OF LIMITS IAW B737-900ER SRM 53-70-51-1A-1, MATERIAL LOSS .049 ORIGINAL 0.215, MAX ALLOWED IS .021, LOCATED AND DRILLED NEW INTERCOSTAL IAW B737-900ER SRM 51-40-05 AND PER BAC DWG#147A5650 REV B. INSTALLED INTERCOSTAL IAW B737-900ER SRM 51-40-02 AND PER BAC DWG# 147A5650 REV B REMOVED DOT JPD#302.

Part: SKIN — PEELING (ZONE 200) · airframe 39,397 hrs · 12,389 cycles

CABIN FWD WET AREA FLOOR PANEL 141A5810-767 HAS CORRODED INSERTS & PEELING FIBERS. GROUNDED - YES. REPAIRED CABIN FWD WET AREA FLOOR PANEL 141A5810-767 CORRODED INSERTS & PEELING FIBERS IAW ASA B737-900ER SRM 53-00-50-0I-1, 53-00-50-2R-0, 53-00-50-2R-1.

Part: FLOOR PANEL — BROKEN (ZONE 200) · airframe 39,397 hrs · 12,389 cycles

CABIN FLOOR PANEL143A5810-516 CORNER IS BROKEN. GROUNDED - YES. ACCOMPLISHED PERMANENT REPAIR TO CABIN FLOOR PANEL 143A5810-516 IAW ASA B737 SRM 53-00-50-2R-5 & 53-00-50-2R-0.

Part: FLOOR PANEL — PEELING (ZONE 200) · airframe 39,397 hrs · 12,389 cycles

CABIN FWD WET AREA FLOOR PANEL 141A5810-558 HAS PEELING FIBERS. GROUNDED - YES. ACCOMPLISHED PERMANENT REPAIR TO CABIN FWD WET AREA FLOOR PANEL 141A5810-558 IAW ASA B737-900ER SRM 53-00-50-2R-7 & 53-00-50-2R-0.

Part: FLOOR PANEL — DELAMINATED (ZONE 200) · airframe 39,397 hrs · 12,389 cycles

CABIN FWD WET AREA FLOOR PANEL 141A5810-454 HAS PEELING FIBERS. GROUNDED - YES. REPAIRED FLOOR PANEL 141A5810-454 PEELING FIBERS IAW B737-900ER SRM 53-00-50-2R-7, SRM 53-00-50-2R-0.

Part: FLOOR PANEL — DELAMINATED (ZONE 200) · airframe 39,397 hrs · 12,389 cycles

CABIN FWD WET AREA FLOOR PANEL 141A5810-763 HAS TAB BROKEN, EDGE DAMAGE & CORRODED INSERTS. GROUNDED - YES. REPAIRED CABIN FWD WET AREA FLOOR PANEL 141A5810-763 BROKEN TAB, EDGE DAMAGE & CORRODED INSERTS IAW ASA B737-900ER SRM 53-00-50-OI-1, 53-00-50-2R-0, 53-00-50-2R-4, 53-00-50-2R-1.

Part: FLOOR PANEL — DAMAGED (ZONE 200) · airframe 39,397 hrs · 12,389 cycles

CABIN FWD WET AREA FLOOR PANEL 141A5810-769 HAS PEELING FIBERS & CORRODED INSERTS. GROUNDED - YES. ACCOMPLISHED PERMANENT REPAIR TO CABIN FWD WET AREA FLOOR PANEL 141A5810-769. IAW B737-900ER SRM 53--00-50-2R-0 REPAIR GENERAL.

Part: FLOOR PANEL — DELAMINATED (ZONE 200) · airframe 39,397 hrs · 12,389 cycles

CABIN AFT WET AREA FLOOR PANEL 147A5810-439 HAS PEELING FIBERS & CORRODED INSERTS. GROUNDED - YES. REPAIRED 147A5810-489 FLOORBOARD OF PEELING FIBERS & CORRODED INSERTS IAW B737-900ER SRM 53-00-50-1A-1, 53-00-50-2R-7, 53-00-50-2R-0.

Part: FLOOR PANEL — DELAMINATED (ZONE 200) · airframe 39,397 hrs · 12,389 cycles

CABIN FWD WET AREA FLOOR PANEL 141A5810-155 HAS PEELING FIBERS & CORRODED INSERTS. GROUNDED - YES. REPAIRED FLOOR PANEL 141A5810-155 PEELING FIBERS AND REPLACED CORRODED INSERTS IAW B737-900ER SRM 53-00-50-2R-7, SRM 53-00-50-2R-0.

Part: FLOOR PANEL — DAMAGED (ZONE 200) · airframe 39,397 hrs · 12,389 cycles

CABIN FWD WET AREA FLOOR PANEL 141A5810-766 HAS CORRODED INSERTS & EDGE DAMAGE. GROUNDED - YES. REPAIRED CABIN FWD WET AREA FLOOR PANEL 141A5810-766 IAW ASA B737-900ER SRM 53-00-50-2R-4 REP 4, 53-00-50-2R-0 + 53-00-50-2-0I.

Part: FLOOR PANEL — DELAMINATED (ZONE 200) · airframe 39,397 hrs · 12,389 cycles

CABIN FWD WET AREA FLOOR PANEL 141A5802-183 HAS BROKEN TAB. GROUNDED - YES. REPAIRED FWD WET AREA FLOOR PANEL 141A5802-183 IAW B737-900 SRM 53-00-50-1A-1, SRM 53-00-50-2R-0.

Part: FLOOR PANEL — DELAMINATED (ZONE 200) · airframe 39,397 hrs · 12,389 cycles

CABIN AFT WET AREA FLOOR PANEL 147A5810-440 HAS PEELING FIBERS & CORRODED INSERTS. GROUNDED - YES. REPAIRED FLOOR PANEL 147A5810-440 IAW B737-900ER SRM 53-00-50-1A-1, SRM 53-00-50-2R-7, SRM 53-00-50-2R-0.

Part: FLOOR PANEL — PEELING (ZONE 200) · airframe 39,397 hrs · 12,389 cycles

CABIN FWD WET AREA FLOOR PANEL 141A5810-157 HAS PEELING FIBERS. GROUNDED - YES. ACCOMPLISHED PERMANENT REPAIR TO CABIN FWD WET AREA FLOOR PANEL 141A5810-157 IAW ASA B737-900ER SRM 53-00-50-2R-7 & 53-00-50-2R-0.

Part: SIGN — DETACHED (ZONE 200) · airframe 40,256 hrs · 12,642 cycles

MID-CABIN EXIT SIGN IS DANGLING FROM CABIN CEILING. GROUNDED - YES. REATTACHED AND RE-SECURED MID-CABIN CEILING EMERGENCY EXIT SIGN. NO DEFECTS NOTED. OPS CKS NORMAL.

Part: DOOR — NONE (R2) · airframe 38,470 hrs · 12,107 cycles

F/A REPORTS R-2 DOOR HARD TO OPEN. GROUNDED - YES. LUBED R-2 DOOR. OPS CHECKS NORMAL. REF AMM 52-13-00.

Part: BATTERY PACK — FAILED (EMERGENCY LIGHTS) · airframe 38,369 hrs · 12,085 cycles

DURING T/C 78233001 BATTERY PACK M1673 FAILED. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK M1673 REF WDM 33-51-14-3 AND AMM 33-51-06. OPS CHECK GOOD,.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 37,234 hrs · 11,749 cycles

DURING ENGINE START ON #2 EGT SPIKED TO APPROX 500 C, EGT BOX STARTED BLINKING ENGINE AUTO SHUTDOWN. RAN QRC FOLLOW BY QRH. GROUNDED - YES. PERFORMED EEC BITE CHECK ON #2 ENG PER F.I.M 73-00-TASK 801, NO RECENT FAULTS AND NO FAULT HISTORY FOUND. HAD FLIGHT CREW RUN #2 ENG 2 TIMES PER AMM 71-00-00. ALL PARAMETER AND INDICATIONS NORMAL FOR BOTH ENG STARTS. NO HISTORY FOR #2 ENG FOR 30 DAYS. DETERMINED TO BE AN INTERMITTENT FAULT. OK FOR SVC.

Part: LENS — DETACHED (EMERGENCY LIGHT) · airframe 37,166 hrs · 11,726 cycles

FRONT GALLEY EXIT SIGN ABOVE R1 DOOR FELL OFF ( NOT ATTACHED). GROUNDED - YES. R/R EMERGENCY EXIT SIGN REF AMM 33-51-01 OPS GOOD.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 37,049 hrs · 11,693 cycles

GE DIAGNOSTICS REPORTS #1 ENGINE TREND DATA SHOWS A DELTA EGT INCREASE AND EGT HOT DAY MARGIN DECREASE. EGT INDICATION ERRORS ARE SUSPECTED. GROUNDED - YES. PERFORMED B737-900 FIM 77-05 TASK 801. HAVE ECONOMIC FAULT 77-10841 TOP RH EGT T49581. PERFORMED PROBE INSPECT. REF B737-900 AMM TASK 77-21-01 AND CLEANING AMM 77-21-00. PRE S1 62.35 AND S4 80.53 POST S1 451.71 AND S4 458.59.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 37,010 hrs · 11,675 cycles

#1 ENG START SW WILL NOT STAY ENGAGED IN GRD POSITION. WHEN HOLDING START SW MANUALLY -NO-US. GROUNDED - YES. PERFORMED OPS CHECK ON NORMAL ENGINE PROCEDURES FOR ENGINE 1 IAW B737-900 AMM 71-00-00-800-808-100. COULD NOT DUPLICATE DISCREPANCY. OPS CHECK GOOD.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 36,912 hrs · 11,652 cycles

REF TASK CARD 78273000MAINTENANCE MESSAGE 77-10841,TOP RIGHT EGT OUT OF RANGE.ECONOMIC FAULT ON ENGINE 1. GROUNDED - YES. ON DEFERRAL.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 36,863 hrs · 11,636 cycles

RIGHT RAM DOOR FULL OPEN BLUE LIGHT ILLUMINATED ENTIRE FLIGHT. GROUNDED - YES. (RESOLVED ON W/O: 1972773 TASKCARD: N/R-00001 ) REVERSED MEL PROCEDURE FOR FRONT ACTUATOR AND REVERSED OPTION 1 FOR SRADA ACTUATOR. RE STOWED STOWAGE LINK AND HARDWARE IN FLY AWAY KIT. ACCOMPLISHED FIM 21-51 TASK 803 NO BITE FAULTS NO ACTUATOR LRU FAULTS NO CORRELATED FAULT HISTORY 90 DAYS. REPAIR CONFIRMATION PASS GROUND VERIFICATION PASS. THIS CLEARS MEL 21-5D PLACARDS REMOVED SEAMC ASHRAF NOTIFIED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 36,815 hrs · 11,625 cycles

CPDLC DATA FAIL MESSAGE SHOWING. GROUNDED - YES. ACCOMPLISHED CPDLC FUNCTIONAL TEST REF. AMM 34-61-00.OPS. CK. GOOD. DATA FAIL MSG. IS NOW GONE.

Part: CONTROL PANEL — FAULTY (CABIN PRESSURE) · airframe 36,488 hrs · 11,532 cycles

APPROX 10 MINUTES AFTER LEVELING AT FL380, THE AUTOFAIL LIGHT ILLUMINATED. WE COMPLIED W. QRH. QHR DIRECTED US TO UTILIZE MANUAL MODE AFTER ALTN MODE DID NOT REMEDY THE ISSUE. MANUAL MODE US TO MAINTAIN NORMAL PRESSURIZATION RANGE AND WE CONTINUED TO SEATTLE. GROUNDED - YES. REPLACED NEW CPC MODULE & PERFORMED INSTALLATION TESTS GOOD AMM 21-31-02/401.

Part: MODULATING VALVE — FAULTY (RH ECS BAY) · airframe 36,445 hrs · 11,516 cycles

ON MASTER RECALL R PACK LIGHT ILLUMINATES. OFF WHEN RESET WITH MASTER CAUTION. GROUNDED - YES. REMOVED AND REPLACED RH TEMPERATURE CONTROL VALVE IAW AMM 21-51-10-000-801 AND AMM 21-51-10-400-801, ETOPS GROUND FUNCTIONAL CHECK GOOD IAW AMM 21-61-00-700-806-002. CLEARS MEL 21-32B, SEAMC ASHRAF NOTIFIED, NO AIRCRAFT CONFIGURATION CHANGE.

Part: PACKING — WORN (#1 ENGINE) · airframe 36,282 hrs · 11,468 cycles

#1 ENG OIL FILLER CAP O-RING WORN. GROUNDED - YES. REMOVED AND REPLACED #1 ENG OIL FILLER CAP O-RING REF AMM 79-11-01.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 36,201 hrs · 11,439 cycles

ON PREFLIGHT, FOUND BREAKER OPEN: ENGINE 1 & WING ANTI ICE CONTROL LOCATION P18 - 3 GRID A6 FOUND POPPED. GROUNDED - YES. GVI CB AND ACCESS WIRING, NO DEFECTS NOTED.RESET CB REF AMM 20-60-01 WING AND ENGINE 1 ANTI-ICE OPS CHECKS OK REF. AMM 30-11-00 PAR G, STEP 1-4 AND AMM 30-21-00 PAR E STEPS 1-9. SEAMC PHIL NOTIFIED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 36,171 hrs · 11,426 cycles

PRIOR TO TAKEOFF, FMC DISAGREE MSG ON BOTH FMCS + MAP DISPLAYS. GROUNDED - YES. AS PER CHECKLIST, RESET FMCS CMPTR 1 AND FMCS CMPTR 2 CBS. MSG NO LONGER DISPLAYED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 36,060 hrs · 11,393 cycles

RIGHT PACK ILLUMINATES ON RECALL, GOES OUT WITH M/C RESET. GROUNDED - YES. ON DEFERRAL.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 36,013 hrs · 11,374 cycles

AFTER ENGINE START, RIGHT PACK LIGHT ILLUMINATED DURING RECALL WOULD NOT RESET WITH MASTER CAUTION RESET. GROUNDED - YES. (RESOLVED ON W/O: 1953891 TASKCARD: N/R-00002 ) REVERSED MAINTENANCE PROCEDURES TO MEL 21-1GOPERATION OF R/H PACK NORMAL. NO AIRCRAFT HISTORY REACTIVATION OF R/H PACK DONE IN ACCORDANCE TO AMM 21-00-00/901THIS CLEARS MEL 21-1G SEAMC ASROUGH AUTHORIZED PLACARDS REMVOED AIRCRAFT RELEASD FOR SERVICE.

Part: MAGNETIC PLUG — MALFUNCTIONED (STARTER) · airframe 35,996 hrs · 11,367 cycles

#2 ENG STARTED MAG PLUG WILL NOT REMOVE REF TC N2480001. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE AIR STARTER MAG PLUG AND HOUSING REF AMM 80-11-01 TC N2480001 COMPLETE.

Part: BATTERY PACK — INOPERATIVE (MAIN CABIN) · airframe 35,793 hrs · 11,307 cycles

STA 727C+13 WL 212 LBL 68 EMERGENCY LIGHT BATTERY PACK INOP. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK REF AMM TASK 33-51-06-960-805, OPS CHECK GOOD. OK FOR SERVICE.

Part: REGULATOR — FAULTY (NR 1 ENGINE) · airframe 35,740 hrs · 11,289 cycles

AT IDLE WITH BOTH ENGINES RUNNING, ON ENGINE BLEED AIR. LEFT DUCT PRESSURE READS ONLY 9 PSI. GROUNDED - YES. CONFIRMED PRESSURE READING, WITH PHOTO OF GAUGE AT IDLE, OUT OF LIMITS REF MM 36-00-00-860-014. REMOVED AND REPLACED PRECOOLER CONTROL VALVE #1 ENG REF AMM 36-12-02-400-801 STEP(3)(F)(10)(C). REMOVED AND REPLACED #1 ENG PRSOV REF AMM 36-11-04-400-801 STEP (3)(G)(9)(D) #65315. REPLACED #1 ENG HIGH STAGE REGULATOR, OPS/LEAK CHECK OK. REF MM 36-11-07-400-801. ACCOMPLISHED T/C NG-36WC-00001 ENGINE BLEED AIR HEALTH CHECK THROUGH STEP 05.F. COMPLETED PCV INST. TEST AND PRSOV INSTALLATION TEST REF MM 36-12-02-400-801 STEP 3.H -3I(2) MM 36-11-04-400-801 STEP 3.G. - 3.H.(2) #41581. COMPLETED T/C NG-36VW-00001 ENGINE BLEED AIR HEALTH CHECK. OPS CK GOOD.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 35,674 hrs · 11,272 cycles

UPON ARRIVAL IN SEA, APU WOULD NOT START AND WE GOT A FAULT LIGHT. GROUNDED - YES. CK'D AND REL PER MEL 49-99A. MAINT MSG #49-41012. STARTED APU REF MM 49-11-00-860-801. STARTS NORMALLY.

Part: BATTERY PACK — INOPERATIVE (MAIN CABIN) · airframe 35,647 hrs · 11,261 cycles

LH SIDE EMER LIGHTS CABIN AND OVERWING EXTERIOR EMER LIGHTS NOT WORKING. GROUNDED - YES. REPLACED EMER LIGHTS BATTERY PACKS AS REQUIRED REF B737-900 AMM 33-57-06 OPS CK PASS.

Part: CONTROL PANEL — FAULTED (COCKPIT) · airframe 35,404 hrs · 11,195 cycles

IAS/ MACH LED DISPLAY BURNT OUT PIXES ON MCP PANEL. GROUNDED - YES. REMOVED & REPLACED MODE CONTROL PANEL REF B737-900 AMM 22-11-34.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 35,304 hrs · 11,167 cycles

AIR TURN BACK FOR LOW PRESSURE HYD LIGHT ILLUMINATED AFTER ROTATION. PRESSURE DROPPED TO 1600 PSI. LIGHT EXTINGUISHED AND PRESSURE RETURN 2900 PSI. AFTER GEAR UP AND LOCK. GROUNDED - YES. AIR TURNBACK - INSPECTED HYDRAULIC SYSTEM FOUND NO DEFECTS. SUSPECTED AIR IN THE HYDRAULIC SYSTEM. BLED THE HYDRAULIC SYSTEM IN REF B737-900 AMM 29-00-00-870-801. CHECKED FOR HYDRAULIC EXTERNAL LEAKAGE IN REF AMM 29-00-00-790-801. LEAK CHECK GOOD. OPERATIONAL TEST OF THE HYDRAULIC SYSTEM A AND B GOOD PER AMM 29-11-00-700-801. OK FOR SVC.

Part: SOLENOID — FAULTY (#1 ENGINE) · airframe 34,940 hrs · 11,060 cycles

FOLLOW-UP TO HISTORY OF P18-3 A6 ANTI-ICE & RAIN ENG 1, WING CONT CB TRIPPING. GROUNDED - YES. REPLACED GRD WING TAI SOLENOID VALVE, REF. B737-900 AMM 30-11-12.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 34,940 hrs · 11,060 cycles

ENGINE CONTROL #2 CIRCUIT BREAKER POPPED BEHIND CAPTAIN SEAT ON P18 (A-6) LOCATION (ENGINE ANTI-ICE CONTROL). GROUNDED - YES. RESET ANTI ICE AND RAIN CONTROL ENGINE 2 CIRCUIT BREAKER. REF B737-900 AMM 20-60-01. NOT DEFECTS NOTED. PERFORMED OPS CHECK OF ENGINE 2 CONTROL ANTI ICE AND RAIN. REF AMM 30-21-00 OPS TEST PASS. NO HISTORY 90 DAYS.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 34,809 hrs · 11,020 cycles

DURING MASTER CAUTION RECALL, AIR COND INDICATION AND ZONE TEMP CAUTION LIGHT ON OVERHEAD. GROUNDED - YES. PERFORMED BITE TEST PER MM 21-61-00, SHOWED FLT DECK TRIM, ALL PASS "GO". RESET LIGHT AND RE PERFORMED BITE, ALL PASS GO WITH NO ANOMALIES. AC GOOD FOR SVC.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 34,820 hrs · 11,022 cycles

CONT CAB ZONE TEMP ILLUMINATED ON RECALL AND EXTINGUISHED ON MASTER CAUTION RESET. GROUNDED - YES. ON DEFERRAL.

Part: ACTUATOR — LEAKING (#2 ENGINE) · airframe 34,621 hrs · 10,966 cycles

#2 ENGINE FUEL LEAK. GROUNDED - YES. FUEL LEAK FROM #2 ENGINE L/H VSV APPROX 50 DROPS PER MINUTE. REMOVED AND REPLACED #2 ENG LEFT VSV ACTUATOR REF B737-900 AMM 75-31-01.

Part: POWER SUPPLY — FAILED (MAIN PASSENGER C) · airframe 34,595 hrs · 10,958 cycles

EMERGENCY LIGHT SYSTEM OPERATIONAL TEST FAILED FOR ALL LIGHTS ASSOCIATED WITH BATTERY PACK M2335.TIPR833K. GROUNDED - YES. REMOVED AND REPLACED M2335 EMERGENCY POWER SUPPLY IAW B737-900 AMM 33-51-06, OPS CHECK GOOD.

Part: SKIN — PUNCTURED · airframe 34,595 hrs · 10,958 cycles

LEFT ELEVATOR, LOWER SURFACE PUNCTURED AT APPROX. ELEVATOR STATION 176.64 AND 13" INCHES FWD FROM TRAILING EDGE.(AREA MARKED IN RED) TIRP833K. GROUNDED - YES. REPAIRED LEFT ELEVATOR LOWER SURFACE PUNCTURE IN NOTED AREA IAW B737-900 SRM 55-20-01-2R-1, 51-70-04-2R-0 AND AFTER REPAIR NEW SBHM FOUND TO BE 117.01 IAW B737-900 SRM 51-61-04-001-1.

Part: PRESSURE SWITCH — FAULTY (#2 ENGINE) · airframe 34,115 hrs · 10,809 cycles

#2 ENG FUEL FILTER BYPASS LIGHT. GROUNDED - YES. REMOVED AND REPLACED FUEL FILTER DIFFERENTIAL PRESSURE SWITCH REF B737-900 AMM 73-34-01.

Part: APU — OVERTEMP (ZONE 100) · airframe 33,913 hrs · 10,752 cycles

APU REPORTS SHOWS CT5ATP TEMP IS STILL AT/BEYOND THE 605 DEGREE THRESHOLD. GROUNDED - YES. REMOVED AND REPLACED APU REF B737-900 AMM 49-11-00/401. OPS AND LEAK CHECK GOOD.

Part: PROBE — FAULTED (NR 1 ENGINE) · airframe 34,077 hrs · 10,800 cycles

#1 EGT WENT TO 911* IN THE YELLOW BAND AT 34000 FEET JUST BEFORE TOP OF DESCENT. ON DESCENT THRU 25000 FEET. THE EGT NORMALISED WITH THE #2 ENGINE AFTER WE REDUCED THE THRUST ON THE #1 ENGINE. THROUGHOUT DESCENT #1 EGT RAN ABOUT 30* TO 100* HOTTER THAN #2 ENGINE. ON SELECTION OF REVERSE THRUST ON LANDING #1 EGT WENT INTO THE RED ARC. GROUNDED - YES. #1 ENG BITE FAULTS ALL 4 T495 PROBES LEG 1. PROBES RESISTANCE OUT OF LIMITS, REPLACED ALL 4 T495 PROBES REF B737-900 AMM 77-21-01/401. ACCOMPLISHED T495 PROBE AND EGT SYSTEM TEST ELECTRICAL RESISTANCE TEST PASSED REF PARAG (1). REPLACED J9 AND J10 HARNESSES REF AMM 73-21-06 EEC BITE CHK GOOD. #1 ENG EGT TEMPS POST HARNESS CHANGE S1 14.87, S2 11.27, S3 11.40, S4 17.20. #1 ENG EXCEEDANCE BOX CLEARED.

Part: WIRE HARNESS — SHORTED (NR 1 ENGINE) · airframe 34,077 hrs · 10,800 cycles

#1 ENGINE CJ-10 HARNESS IS SHORTED INTERNALLY. GROUNDED - YES. REPLACED #1 ENGINE HARNESS REF B737-900 AMM 73-21-06-000-803.

Part: WIRE HARNESS — FAILED (NR 1 ENGINE) · airframe 34,077 hrs · 10,800 cycles

REF ASA L/P 60410136 J-10 HARNESS FAILS INSULATION RESISTANCE CHECK OF B737-900 AMM 77-21-01/501. ON #1 ENGINE. GROUNDED - YES. REPLACED ENG #1 J10 ENGINE HARNESS REF B737-900 AMM 73-21-06. EEC BITE GOOD. J10 OPS CHECK PASSES REF AMM 73-21-06.

Part: FUEL NOZZLE — FAULTED (APU) · airframe 33,663 hrs · 10,672 cycles

APU TREND DATA SHOWS CT5ATP TEMP IS AT OR ABOVE THE THRESHOLD 605 DEGREES. GROUNDED - YES. REMOVED AND REPLACED FUEL NOZZLES REF B737-900 AMM 49-31-14.

Part: CIRCUIT BREAKER — OPEN (UNKNOWN) · airframe 33,844 hrs · 10,730 cycles

LEFT FWD WINDOW OVERHEAT LIGHT CAME ON CLIMBOUT. GROUNDED - YES. PERFORMED WINDOW HEAT CONTROL UNIT BITE PER B737-900 FIM 30-41 TASK 801 FOUND BUS POWER LIGHT ON. ACCOMPLISHED FIM 30-41 TASK 806 FOUND C/B P6-11 B9 OPEN. CLOSED C/B PER B737-900 AMM 20-60-01-860-801 RE-ACCOMPLISHED WHCU BITE WITH NO FAULTS NOTED. PERFORMED WINDOW HEAT OPS TEST PER AMM 30-41-00-710-801 OPS TEST IS GOOD.

Part: WIRE HARNESS — FAULTED (NR 1 ENG) · airframe 33,704 hrs · 10,682 cycles

DIAGNOSTICS SHOWS #1 ENGINE VIBRATION DATA POINTS ARE ERRATIC. INDICATION SYSTEM ERRORS ARE SUSPECTED. GROUNDED - YES. COMPLETED ASA TSR713472 STEPS 1-4. REMOVED AND REPLACED MW0311 WIRE HARNESS. REF B737-900 AMM 73-21-06/401. REMOVED AND REPLACED FFCC VIBRATION SENSOR. REF AMM 77-31-04/401. FFCC VIBRATION SENSOR INSTALLATION TEST, MW0311 WIRE HARNESS INSTALLATION TEST AND ENGINE #1 RUN FOR FAULT CONFIRMATION REQUIRED. ACCOMPLISHED ALL REQ. ENG RUN AND OP CHECKS. ALL TEST PASS. REF AMM 73-21-06,36-11-03,77-31-00,73-21-00.

Part: AUTOTHROTTLE SYS — FAILED · airframe 33,135 hrs · 10,509 cycles

AUTO THROTTLES STOPPED WORKING AND WOULD NOT RE-ENGAGE. GROUNDED - YES. A/T INFLT FAULTS SHOWED NO A/T FAULTS LAST 22 LEGS. LEG 23 HAD ASM 2 RATE MONITOR FAULT. PERFORMED B737-900 FIM 22-32 TASK 819, INITIAL EVALUATION TEST GOOD. SERVO MOTOR TEST PERFORMED NUMEROUS TIMES W/NO FAULTS. PER FIM INTERMITTENT FAULT.

Part: CONTACT — OUT OF ADJUST (UNKNOWN) · airframe 33,071 hrs · 10,491 cycles

#2 HF/SAT XFER HF LIGHT NOT ILLUMINATING. GROUNDED - YES. CLEANED CONTACTS ON #2 HF/SAT TXFER SW & LITE ASSY AND ADJUSTED CONTACTS. RETENTION AND INDICATION / ILLUMINATION #2 HF/SAT SW NML.

Part: BATTERY PACK — INOPERATIVE (MAIN PAS CABIN) · airframe 32,913 hrs · 10,446 cycles

EMERGENCY LIGHTS AT ROWS 10DEF AND 13DEF WILL NOT COME ON, THEY FLASH THEN GO RIGHT BACK TO OFF WHEN SWITCH ACTIVATED. GROUNDED - YES. REPLACED M1676'S BATTERY PACK IAW B737-900 AMM 33-51-06-960-805, OPS CHECK GOOD.

Part: POWER SUPPLY — INOPERATIVE (MAIN PASSENGER C) · airframe 32,752 hrs · 10,401 cycles

DURING A-CK FOUND EMERGENCY LIGHT ABOVE R2 DOOR INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY REF B737-900 AMM 33-51-06.

Part: AUTOTHROTTLE SYS — FAILED · airframe 32,231 hrs · 10,241 cycles

AUTOTHROTTLES WOULD NOT ENGAGED ON DEPARTURE AND REMAINDER OF FLIGHT. GROUNDED - YES. A/T INFLT FAULTS SHOWED ON ONLY "FLT 11" OUT OF 40 LOGGED FLTS WITH A ASM 2 RATE MONITOR FAULT. PERFORMED B737-900 FIM 22-32 TASK 819 INITIAL EVALUATION TEST GOOD - SERVO MOTOR TEST PERFORMED NUMEROUS TIMES. PER FIM, INTERMITTENT FAULT.

Part: EGT INDICATION — FALSE INDICATION (UNKNOWN) · airframe 31,933 hrs · 10,147 cycles

#1 ENG EGT BOX RED FOUND ON PRE-FLIGHT. GROUNDED - YES. PERFORMED B737-900 FIM 71-06 TASK 805 F. VERIFIED EEC BITE TEST ON #1 ENG ESN 658-273 GOOD NO FAULTS VERIFIED, NO FAULTS MSG LOGGED. THIS CLEARS PLT.

Part: SERVO — LEAKING (#1 HEATER) · airframe 31,794 hrs · 10,110 cycles

WHILE ACCOMPLISHING LEAK CHECK PER ASA T/C 78424000 THE #1 ENGINE FUEL SERVO HEATER WAS LEAKING FUEL. GROUNDED - YES. REMOVED AND REPLACED #1 ENG FUEL SERVO HEATER. OPS CHECK GOOD. IAW B737-900 AMM 73-11-07.

Part: BATTERY PACK — DISCHARGED (MAIN CABIN) · airframe 31,680 hrs · 10,083 cycles

DURING ACCOMPLISHMENT OF T/C 78233001 2 AISLE EMERGENCY LIGHTS FAILED TIME TEST. GROUNDED - YES. REPLACED BATTERY PACK AT LOCATION M2627 S/N 304744 PER B737-900 AMM 33-51-06-960-805. OPS IS GOOD.

Part: FMC — FAILED (EE RACK, E5) · airframe 31,127 hrs · 9,938 cycles

LEFT FMC FAIL IN CRUISE, FMC RESET AFTER 2 MINUTES AND WORKED PROPERLY AFTER RESET. GROUNDED - YES. TROUBLESHOT & FOUND FMCS-L FAULTED MULTIPLE LEG WITH "ETHERNET-2", REPLACED NEW FMCS-L & PERFORMED INSTALLATION TESTS GOOD. B737-900 AMM 34-61-02/401 & FIM 34-61 TASK 837.

Part: ACTUATOR — FAULTY (RAM AIR INLET) · airframe 30,999 hrs · 9,906 cycles

RIGHT RAM DOOR FULL OPEN BLUE LIGHT REMAINED ILLUMINATED AFTER FLAP RETRACTION IN CLIMB AT CRUISE FL350. GROUNDED - YES. REMOVED & REPLACED R/H INLET ACTUATOR B737-900 AMM 21-51-21. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE AMM 21-61-01 GRD VERIFICATION SUCCESSFUL OPS CHECK NORMAL.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 30,602 hrs · 9,779 cycles

WHILE PERFORMING T/C # 78273000 FOUND SHORT TIME FAULT MSG NBR: 73-20011 INTERNAL EEC FAULT ON # 1 ENGINE. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 73-21 TASK 801 FOR #1 ENGINE EEC. REINSTALLED EEC SOFTWARE PER B737-900 AMM 73-21-60-470-801-F00. ALL TEST PASSED. GROUND VERIFICATION SUCCESSFUL. NO FAULTS FOUND.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 30,175 hrs · 9,663 cycles

ZONE TEMP ILLUMINATED ON RECALL MASTER CAUTION CONTROL CABIN ZONE TEMP. GROUNDED - YES. C/W FIM PROCEDURES. INITIAL EVALUATION, BITE TEST AND NOTED FLT DECK TRIM VALVE RED LIGHT ILLUMINATED. DURING BITE TEST RESET PROCEDURE GREEN GO LIGHT ON AFTER VERIFY TEST SWITCH PUSHED = FAULT RESET SUCCESSFUL. OPERATED R & L PACKS WITH NO FAULTS NOTED. NO FURTHER ACTION REQUIRED. REF B737-900 FIM 21-62 TASKS 842, 801, & 832, AND B737-900 AMM 21-00-00.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 29,861 hrs · 9,593 cycles

FMC'S BLANKED ON LANDING THEY RESTORED ON THEIR OWN. GROUNDED - YES. R/H FMC HAD A PGM FAULT & REBOOTED BOTH. OPS CK OK REF B737-900 FIM 34-61 TSK 807 REBOOTED BOTH ON IT'S OWN. NO GND FAULTS. PRECAUTIONARY - CYCLED PWR TO R/H & L/H FMC FOR A RE-SYNC. BITE TEST OF R/H & L/H FMC'S OK REF FIM 34-61 TASK 801 ETOPS GND VERIFICATION OK.

Part: MODULATING VALVE — FAULTY (LEFT ECS BAY) · airframe 29,781 hrs · 9,567 cycles

ZONE TEMP LIGHT CONT CAB ILLUMINATES DURING MASTER CAUTION RECALL RESETS WITH MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACED CONT CAB TRIM MODULATING VALVE REF B737-900 AMM 21-61-21. OPS CHECK GOOD.

Part: ACTUATOR — LEAKING (#2 ENGINE) · airframe 29,547 hrs · 9,493 cycles

DURING PDC WALK AROUND FOUND #2 ENG LEAKING FUEL. FOUND RIGHT VSV LEAKING FUEL 15 DROPS A MINUTE. PERFORMED #2 ENGINE IDLE POWER RUN FOR 5 MINUTES. NO LEAK FOUND AFTER ENGINE RUN. COMPONENT TO BE REPLACED WITHIN 25 FLIGHT CYCLES REF B737-900 AMM 71-71-00-200-801-F00. GROUNDED - YES. REMOVED AND REPLACED #2 ENG VSV ACTUATOR, RIGHT HAND SIDE REF B737-900 AMM 75-31-01-000-802-F00/AMM 75-31-01-400-802-F00. LEAK & OPS CHECKED GOOD REF AMM 75-31-01-790-801-F00.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 29,476 hrs · 9,473 cycles

FLT DECK TEMP CONTROL ZONE TEMP LIGHT ILLUMINATES ON MASTER CAUTION RECALL. EXTINGUISHES WITH M.C. RESET. GROUNDED - YES. VERIFIED CONTROL CABIN ZONE TEMP ILLUMINATES ON RECALL. PERFORMED PZTC BITE, PZTC #2 FAULTED CONTROL CABIN TRIM VALVE ON BIT AND PREV FLIGHT, RESET ON VERIFY. CONFIRMED CONTROL CABIN TRIM VALVE OPERATES NORMALLY ON SUBSEQUENT PZTC TESTS. ETOPS GROUND VERIFICATION SUCCESSFUL.

Part: INLET — GOUGED (#2 ENGINE) · airframe 29,146 hrs · 9,371 cycles

REF T/C # 78472000 #2 ENG INLET AND FAN BLADES DETAILED INSPECT, FOUND DUCT FOR TAI VALVE O/O MOUNT LOBES GOUGED FROM ROD END OF TURN BUCKLE. GROUNDED - YES. REMOVED AND REPLACED #2 ENG TAI VALVE DUCT REF CFM5-7 PPBUM 71-00-02. LEAK CHECK GOOD. NO OTHER DEFECTS NOTED AT THIS TIME.

Part: BRAKE — FAULTED (STARTER BRAKE) · airframe 28,685 hrs · 9,221 cycles

AFTER BLOCK IN WHEN #2 START LEVER MOVED TO CUTOFF ENG FAIL APPEARED ON THE #2 EGT UNTIL ENG WOUND DOWN THEN EXTINGUISHED. GROUNDED - YES. ACCOMP #2 EEC BITE RECENT FAULTS SHOWS LONG TIME FAULT MSSG 76-11362 ON FLIGHT ZERO ACCOMP EEC TEST TEST PASS REF B737-900 FIM 73-00 TASK 801 #2 ENG DESCRETES, VERIFIED 5 INPUTS IND DO NOT AGREE WITH START LEVER POSITION AFTER IDLE TO CUTOFF SW-XCH SHOWS "?????" ALL OTHERS AGREE. CYCLED BOTH START C/B'S NOW ALL 5 DISCRETE INPUTS AGREE REF FIM 73-05 TASK 805 807. REF FIM 73-05 TASK 805 FOR ACTIVE FAULTS 76-11362 REPLACED #2 ENG START BRAKE ASSEMBLY REF B737-900 AMM 76-11-10-420/010-801-F00 ALL TEST PASS AFTER ENG RUN FAULT 76-11362 NO LONGER ACTIVE ENG DOES NOT SHOW FAIL ON EGT SHUTDOWN.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 28,600 hrs · 9,200 cycles

AUTOTHROTTLE WILL NOT STAY ENGAGED. GROUNDED - YES. ACCOMPLISHED AUTOTHROTTLE BITE PER B737-900 FIM 22-31 TASK 801, CURRENT STATUS, HAS NO FAULTS. IN-FLIGHT FAULTS SHOWS ASM-2 MSG 22-31688 NUMEROUS TIMES ON LEG 4 ONLY. ACCOMPLISHED FIM 22-32-TASK 819 INITIAL EVALUATION AUTO THROTTLE SYSTEM SERVO MOTORS TEST PASSED WITH NO FAULTS. AUTOTHROTTLE SYSTEM IS OPERATING NORMALLY.

Part: TUBE — BROKEN (NR 1 PNUEMATIC) · airframe 28,506 hrs · 9,179 cycles

LEFT BLEED AIR DUCT PRESSURE INDICATES 9PSI ON THE GROUND WITH ENGINE POWER AT IDLE, A/C PACKS IN AUTO, AND ENGINE ANTI-ICE OFF. RIGHT BLEED AIR DUCT PRESSURE INDICATES NORMAL APROX 20PSI. GROUNDED - YES. PERFORMED INSPECTION OF BLEED AIR SYSTEM OF #1 ENGINE, REF B737-900 AMM 36-00-00. FOUND CONTROL PRESSURE SENSE TUBE ON HIGH PRESSURE VALVE BROKEN. REMOVED AND REPLACED CONTROL PRESSURE SENSE TUBE ON #1 ENGINE HIGH PRESSURE VALVE, REF AMM 36-11-06. NO LEAKS NOTED. PERFORMED DUPLICATE ENGINE RUN @ IDLE, PACKS IN AUTO, ANTI-ICE OFF. RIGHT BLEED AIR DUCT PRESSURE AT 20 PSI, LEFT PRESSURE AT 19PSI. OP CHECK GOOD.

Part: FMC — FAULTED (FIRST OFFICER'S) · airframe 28,479 hrs · 9,171 cycles

DURING LATERAL OFFSET TO AVOID WEATHER, FIRST OFFICER'S MAP DISPLAY VTK AND SCRATCHPAD INDICATED SINGLE FMC OPERATION. FOLLOWED QRC AND RELOAD DUAL FMC OPERATION. GROUNDED - YES. PERFORMED B737-900 FIM 34-61 TASK 836 RESET C/B 6D16 AND 18A6. SYSTEM OPS CHECK OK.

Part: FMC — FAILED · airframe 28,484 hrs · 9,172 cycles

AFTER LANDING CAPT'S AND F/O'S FMC'S FAILED. REMAINED OFF LINE FOR:25-45 SECONDS. GROUNDED - YES. PERFORMED B737-900 FIM 34-61 TASK 801 AND FOUND PGM FAULT IN LEFT AND RIGHT FMC. PERFORMED FIM 34-61 TASK 807 AND BOTH FMCS OPS TEST GOOD.

Part: DRIVE UNIT — FAULTED (WX RADAR) · airframe 28,204 hrs · 9,093 cycles

WXR FAIL ON BOTH ND. GROUNDED - YES. DIVERSION TIME 90 MINUTES - PER TSR710872 REMOVED AND PRECAUTIONARILY REPLACED ANTENNA DRIVE UNIT IAW B737-900AMM 34-43-11. PERFORMED OPS CK OF WEATHER ANTENNA DRIVE UNIT IAW AMM 34-43-00-710-802-001. NO DEFECTS NOTED.

Part: PEDESTAL — ABNORMAL (WX RADAR TILT) · airframe 28,206 hrs · 9,094 cycles

PWS FAIL MESSAGE MOMENTARY ILLUMINATION ON APPROACH FROM 1000' TO TOUCH-DOWN SELM CLEARED INFO ONLY WRITE UP. GROUNDED - YES. FOUND WXR BLOWER BEARINGS FAILING. REMOVED AND REPLACED BLOWER REF B737-900 AMM 34-53-51 OP CK GOOD. WXR RADAR OP CK GOOD PER AMM 34-43-00-710-802-001. LOUD GRINDING SOUND NOTED WHILE TILTING RADAR ANTENNA. REMOVED AND REPLACED WEATHER RADAR ANTENNA PEDESTAL REF AMM 34-43-11. OPERATIONAL CHECK OF WXR SYSTEM GOOD.

Part: TRANSCEIVER — FAILED (WX RADAR SYS) · airframe 28,177 hrs · 9,081 cycles

WXR FAIL SHOWS ON ND. GROUNDED - YES. REMOVED & REPLACED WXR RADAR RT AND INSTALL TEST NORMAL, OPENED & CLOSED 2 C/B B737-900 AMM 34-43-41/401, CONFIRMED PART EFFECTIVELY WITH AOG ENGINEERING, CLEARS MEL 34-15D, PLACARD REMOVED, SEAMC JAKE NOTIFIED..

Part: TRANSCEIVER — NOT SEATED (WX RADAR SYS) · airframe 28,121 hrs · 9,065 cycles

IN CRUISE AT FL350 WITH WEATHER RADAR ON IN AUTO WX + T MODE, AMBER WXR FAIL ILLUMINATED ON ND. IN TEST MODE, PWS FAIL AND WXR FAIL ANT ARE DISPLAYED ON N.D. GROUNDED - YES. RESEATED WEATHER RADAR TRANSCEIVER AND ACCOMPLISHED BIT CHECK IAW B737-900 FIM 34-45 TASK 801. OPS CHECK NORMAL.

Part: DATA UNIT — MALFUNCTIONED · airframe 28,058 hrs · 9,050 cycles

TAKEOFF DATA NOT LOADING CORRECTLY. GROUNDED - YES. PITOT PROBE HEAT ON, TURNED OFF. CYCLED FMC COMPUTERS OFF/ON. FMCS BITE NORMAL PER B737-900 FIM TASK 34-61-00-810-801. T/O DATA LOADED.

Part: WARNING MESSAGE — FALSE ACTIVATION (LT WINDOW HEAT) · airframe 28,018 hrs · 9,038 cycles

FWD WND LEFT OVERHEAT. GROUNDED - YES. FOUND WINDOW HEAT POWER LEFT FRONT ON P6-11 PANEL OUT. ACCOMPLISHED C/B RESET REF B737-900 AMM 20-60-01 WINDOW HEAT CONTROL SYSTEM TEST PASS REF AMM 30-41-11 NO HISTORY PAST 90DAYS, SEAMC STEVE ADVISED.

Part: TRANSCEIVER — FAULTED (WX RADAR SYS) · airframe 28,014 hrs · 9,037 cycles

"WXR FAIL" MESSAGE DISPLAYED. "PWS FAIL, WXP FAIL ANT" DISPLAYED WHEN IN RADAR TEST MODE. GROUNDED - YES. RESET WX TRANSCEIVER. REF B737-900 AMM 20-60-99. ACCOML BITE CHECK OF WX RADAR SYSTEM. REF 737-900 FIM 34-43-801. NO DEFECTS NOTED. DEFECTS CLEARED. SEAMC CARLOS NOTIFIED.

Part: WARNING LIGHT — FALSE INDICATION (COCKPIT TEMP) · airframe 27,972 hrs · 9,026 cycles

CONT CAB ZONE TEMP LIGHT ILLUMINATED ON RECALL. GROUNDED - YES. PERFORMED ZONE TEMP LIGHTS COME ON DURING MASTER CAUTION RECALL FAULT ISOLATION PROCEDURE AND BITE PROCEDURE FOR LH & RH PACK TEMPERATURE CONTROLLERS FLT DECK TRIM VLVE FAULT LIGHT CLEARED & CONT CAB LIGHT IS NO LONGER ILLUMINATING ON MASTER CAUTION RECALL NO DEFECTS NOTED IAW B737-900ER FIM 21-62 TASK 848 STEP 848C.-F. & IAW B737-900ER FIM 21-62 TASK 801 STEP 801B.

Part: BLADE — ERODED (NR 2 ENGINE) · airframe 27,951 hrs · 9,022 cycles

WHILE ACCOMPLISHING MTC 78472010, FOUND NR 2 ENG FAN BLADE NR 13 WITH MISSING CU-NI-IM COATING. MISSING BEYOND ALLOWABLE LIMITS. 27MM ON THE CONCAVE SIDE CONTACT AREA. GROUNDED - YES. REPLACED NR 13 FAN BLADE ON NR 2 ENG. AND ITS PAIR NR 1 PER T/C 78472010.

Part: HEAT EXCHANGER — LEAKING (NR 2 ENGINE FUEL) · airframe 27,844 hrs · 8,992 cycles

REF LOG PAGE 60093274 DURING REMOVAL AND REPLACEMENT OF FUEL OIL HEAT EXCHANGER FOUND SERVO FUEL HEATER LEAKING ON #2 ENGINE. GROUNDED - YES. REMOVED AND REPLACED SERVO FUEL HEATER PER B737-900 AMM 73-11-07-400-801-F00 AND IDLE POWER LEAK CHECK GOOD PER AMM 71-00-00-700-801-F00.

Part: VALVE — LEAKING (NR 2 HPT) · airframe 27,799 hrs · 8,974 cycles

DURING ENG RUN REF L/P 60093274, FOUND HPTACC VALVE DRAIN DRIPPING. GROUNDED - YES. FOUND DRAIN LEAKING 4 DRM REF B737-900 AMM 71-21-00-200-801-F00 FIM 605. REMOVED AND REPLACED #2 ENG HPTACC VALVE IAW AMM 75-21-01, OPS CHECK GOOD, LEAK CHECK GOOD. NO FURTHER DEFECTS NOTED.

Part: HEAT EXCHANGER — LEAKING (NR 2 ENGINE) · airframe 27,799 hrs · 8,974 cycles

FOUND FUEL DRIP ON #2 ENG FUEL OIL HEAT EXCHANGER DRAW LINE. GROUNDED - YES. REMOVED AND REPLACED FUEL OIL HEAT EXCHANGER REF B737-900 AMM 79-21-02 PERFORMED ENGINE RUN FOUND SERVO FUEL HEATER LEAKING REF L/P 60093288 FOR REMOVE AND REPLACEMENT.

Part: CONNECTOR — BROKEN (COCKPIT - FMS) · airframe 27,777 hrs · 8,965 cycles

FCC BITE INHIBITED WHEN FMS-2 DATA SELECTED. REF B737-900 WDM 34-61-14, WIRES W0523-2769 B&R 24 NOT INSTALLED IN FMC-2 CONNECTOR D3261A PINS G9& H9. E5-2 RACK REMOVED FOR ACCESS. GROUNDED - YES. REF B737-900 WDM 34-61-14 PAGE 7A WIRE W0523-2769-24 NOT PRESENT AT D3216A PINS G9 AND H9 OR AT TB524 YAS OR YAB, AND NOT FOUND IN WIRE BUNDLE BETWEEN THOSE TWO POINTS REF WDM 34-58-21 FOUND WIRE W0523-2788-24R TO BE BROKEN AT SPLICE SM62 ADJACENT TO D3261. REPAIRED WIRES W0523-2788-24 AND W0523-2789-24 PER SWPM 20-30-12. FABRICATED AND INSTALLED WIRE W0523-2769-24 PER SWPM 20-10-11, 20-71-14 AND PERFORMED WIRING CHECKS FOR FMC AND GOGO WIRING PER TSR710677-ALL WIRING CHECKS GOOD. E5 COOLING HOSE DUCTS INSTALLED AND SECURED. MOUNTING HARDWARE INSTALLED PER B737-900 AMM 20-50-11 AND IPC 25-50-52-22A.

Part: COMPUTER — FAULTY (EE RACK, E1) · airframe 27,777 hrs · 8,965 cycles

NEITHER LNAV OR VNAV WOULD ENGAGE. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 22-11 TASKS 830 AND 831 ALSO FIM 34-61 TASK 801 FMC BITE. FOUND FAULT MSG 22-11360 (CONDITIONS INHIBIT BITE ENTRY FOR FCC-A) THEN ACCOMPLISHED FIM 22-11 TASK 801 DFCS BITE. FOUND FAULT MSG 22-11303 (FCC-A HAS INTERNAL FAULT). REMOVED & REPLACED FCC-A IAW B737-900 22-11-33/401. FCC OP CK NORMAL. REF TASK CARD 78222000. VERIFIED FCC A&B SOFTWARE 2270-COL-AC2-22 INSTALLED.

Part: ECS — UNKNOWN (PRIMARY) · airframe 27,762 hrs · 8,957 cycles

FLIGHT DECK PRIMARY TEMP CONTROL INOP. GROUNDED - YES. ACCOMPLISHED `PZTC BITE TEST REF B737-900 AMM 21-61-00-700-806-002. LAST FLIGHT LEG HISTORY SHOWED FAULT FOR FLT DECK TRIM VALVE. PREV FLT LEG HISTORY SHOWED NO FAULTS. NO FAULTS SHOWED UPON VERIFICATION.

Part: GENERATOR — FAULTED (APU) · airframe 27,642 hrs · 8,912 cycles

APU WILL NOT START, 2 ATTEMPTS. GROUNDED - YES. REMOVED & REPLACED APU SGU, REF B737-900 AMM 49-41-21. OPS/LEAK CHECKS GOOD. APU BITE SHOWS NO CURRENT FAULTS. GROUND VERIFICATION TEST GOOD.

Part: BLEED VALVE — FAULTED (NR 1 ENGINE) · airframe 27,636 hrs · 8,911 cycles

AFTER STARTING ENGINES, LEFT BLEED DUCT PRESSURE INDICATES 9 PSI WITH ENGINE POWER AT IDLE, A/C PACKS IN AUTO AND ENGINE ANTI-ICE OFF. RIGHT BLEED DUCT PRESSURE INDICATES 20 PSI. GROUNDED - YES. ACCOMPLISHED VALVE HEALTH CHECK. RAN ENGINE AT IDLE NO HELP. REMOVED AND REPLACED LEFT HAND HIGH STAGE VALVE PER B737-900 AMM 36-11-06. FOUND HIGH STAGE SENSE LINE LEAKING. RE-TORQUED RAN ENGINE AT IDLE POWER PNEUMATIC NOW CHECKS NORMAL. OK FOR SERVICE.

Part: SENSOR — SHORTED (APU INLET TEMP) · airframe 27,584 hrs · 8,899 cycles

RAMP REPORTS APU MAKING BACKFIRE NOISE. GROUNDED - YES. REF TSR 710486, ACCOMPLISHED BITE CHECK OF APU IAW B737-900 FIM 49-55 TASK 806. SHOWED SEVERAL OCCURENCES OF MAINT MSG 49-61223, "INLET TEMP SENSOR SHORT CIRCUIT". REMOVED AND REPLACED APU INLET TEMP SENSOR REF B737-900 AMM TASKS 49-61-31-000-801/-400-801. STARTED AND RAN APU. BITE CHECK SHOWS NO CURRENT FAULTS. APU RAN NORMAL WITH NO BACKFIRE OR SURGING. ETOPS GROUND VERIFICATION SUCCESSFUL.

Part: SENSOR — SHORTED (APU INLET) · airframe 27,547 hrs · 8,889 cycles

1 MIN AFTER SHUTDOWN OF APU ON TAXI OUT; APU FAULT LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED APU BITE PROCEDURES CURRENT STATUS PAGE SHOWED 1 FAULT ONLY MSG 49-61223 INLET TEMP SENSOR SHORT CIRCUIT REF B737-900 AMM 49-60 TASK 801. ACCOMPLISHED INLET TEMP SENSOR SHOWS SHORT CIRCUIT-FAULT ISOLATION. MEASURED RESISTANCE ON INLET TEMP SENSOR BOTH PIN A AND PIN B FAILED CK. REMOVED AND REPLACED INLET TEMP SENSOR REF AMM 49-61-31. CK'D WIRE HARNESS AT CONNECTOR D10912 MEASURE RESISTANCE ON PIN 13 AND PIN 14 CHECK GOOD REF B737-900 FIM TASK 49-60 TASK 812. PERFORMED APU BITE PROCEDURES SHOWED NO CURRENT FAULTS RAN APU AND SHUTDOWN NO FAULT LIGHT AND CURRENT STATUS SHOWED NO FAULTS REF FIM 49-60 TASK 801.

Part: GENERATOR — INOPERATIVE (APU BAY) · airframe 27,531 hrs · 8,883 cycles

TWO ATTEMPTS TO START APU RESULTED IN TWO APU FAULTS, NO START. GROUNDED - YES. R & R STARTER-GENERATOR IAW B737-900 AMM 49-41-21 REF B737-900 FIM 49-40 TASK 803. APU OPS AND LEAK CHECKED GOOD. STARTER-GENERATOR PART NUMBER VERIFIED. REF DEFECT 60035943 FOR MEL 49-99A. REMOVED MEL PLACARDS.

Part: CONVERTER — FAULTED (APU START) · airframe 27,510 hrs · 8,875 cycles

APU CSS FAILED 1ST ATTEMPT FL 400 WITH LOW OIL PRESS LIGHT THAT EXTINGUISHED, 2ND ATTEMPT FL 400 WITH FAULT LIGHT THAT EXTINGUISHED, 3RD ATTEMPT FL 320 WITH FAULT LIGHT THAT EXTINGUISHED. GROUNDED - YES. WHEN THE APU IS ON THE GROUND NON COLD SOAKED IT STARTS AND RUNS AS EXPECTED. TONIGHT THE APU STARTED EVERY ATTEMPT. THE LAST FAULT FOR CSS FAILURE IS 49-41248 "START CONVERTER UNIT SHOW START SYSTEM INOP". REMOVED AND REPLACED THE START CONVERTER UNIT PRECAUTIONARY AFTER CONSULTING MAINTENANCE CONTROL. OP TEST NORMAL REFERENCE B737-900 AMM 49-41-61-000/400-801. ALL CIRCUIT BREAKERS RESET AS REQUIRED.

Part: SENSOR — FAULTED (R2 WINDOW HEAT) · airframe 27,290 hrs · 8,804 cycles

R2 WINDOW OVERHEAT LIGHT ILLUMINATED DURING CLIMB. FOLLOWED QRH PROCEDURE. LIGHT EXTINGUISHED FOR APPROXIMATELY 5 MINUTES THEN ILLUMINATED AGAIN. TURNED SWITCH OFF FOR REMAINDER OF FLIGHT. GROUNDED-YES. ACCOMPLISHED RT SIDE WINDOW HEAT CONTROL BITE. SENSOR FAULT ALL 10 PREVIOUS FLIGHT LEGS AND SENSOR ALREADY MOVED TO SECONDARY. REPLACED RT NR 2 WINDOW, REF B737-900 AMM 56-12-11. ACCOMPLISHED NR 2 WINDOW ADJUSTMENT, REF AMM 56-12-11-820-801. ALL MEASUREMENTS WITHIN LIMITS. ACCOMPLISHED NR 2 WINDOW HEAT OPERATIONAL TEST, TEST NORMAL. ACCOMPLISHED CABIN PRESSURE LEAK TEST, REF AMM 05-51-91-790-801. NO LEAKS NOTED.

Part: WARNING LIGHT — FALSE ACTIVATION (WINDOW HEAT) · airframe 27,286 hrs · 8,801 cycles

RIGHT SIDE WINDOW HEAT QRH EXTINGUISHED OCCURRED DURING CLIMBOUT. GROUNDED-YES. PERFORMED B737-900 FIM 30-41 TASK 801 NO FAULT NOTED. FAULT WAS INTERMITTENT.

Part: CONTROLLER — FAULTED (E&E RACK E2-1) · airframe 27,275 hrs · 8,796 cycles

AT 110 ONE HOUR 10 MIN INTO FLT AT CRUISE 300 FLT LEVEL OAT -41C RIGHT SIDE WINDOWS OVERHEAT LIGHT ILLUMINATED AGAIN 2ND TIME THIS FLT QRH FOLLOWED AFTER TURNING HEAT BACK ON OVERHEAT LIGHT EXTINGUISHED. GROUNDED-YES. PERFORMED B737-900 FIM 30-41 TASK 801 (WHCU) BITE TEST ON RT SIDE WHCU. NO CURRENT FAULTS. MEASURED THE RESISTANCE OF BOTH WINDOW TEMP SENSORS ON RT SIDE WINDOW, PER B737-900 AMM 30-41-21-760-801. BOTH SENSORS WITHIN LIMITS. DUE TO HISTORY REMOVED AND REPLACED RT SIDE WINDOW HEAT CONTROL UNIT, PER AMM 30-41-11. INSTALLATION OPERATIONS TEST SUCCESSFUL. ALSO PERFORMED WINDOW HEAT CONTROL UNIT SYSTEM TEST, PER AMM 30-41-11-710-801. SYSTEM TEST SUCCESSFUL. GROUND VERIFICATION SUCCESSFUL.

Part: WARNING MESSAGE — FALSE ACTIVATION (WINDOW HEAT) · airframe 27,275 hrs · 8,796 cycles

AFTER TAKE OFF PASSING THRU 9000' RIGHT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED. GROUNDED-YES. FOLLOWED RESET PROCEDURE, PER QRH. AFTER TURNING HEAT BACK ON LIGHT EXTINGUISHED.

Part: WARNING LIGHT — FALSE ACTIVATION (RT WINDOW) · airframe 27,266 hrs · 8,792 cycles

DURING CLIMB R SIDE WINDOW OVERHEAT LIGHT ILLUMINATED. FOLLOWED QRH AND AFTER TURNING HEAT BACK ON THE OVERHEAT LIGHT REMAINED EXTINGUISHED. GROUNDED-YES. PERFORMED WINDOW HEAT BITE CHECKED, OPERATIONS NORMAL. LIGHTS REMAINED OFF, REF B737-900 FIM 30-41 TASK 801 AND A/C OK FOR SERVICE.

Part: WARNING LIGHT — FALSE ACTIVATION (RT WINDOW) · airframe 27,223 hrs · 8,780 cycles

RIGHT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED DURING CLIMBOUT. COMPLETED QRH PROCEDURE FOR WINDOW OVERHEAT. LIGHT REMAINED EXTINGUISHED AFTER RESET. GROUNDED-YES. COMPLETED QRH RESET PROCEDURE FOR WINDOW OVERHEAT. LIGHT REMAINED EXTINGUISHED AFTER RESET.

Part: CONTROL VALVE — INOPERATIVE (LT A/C PACK) · airframe 27,205 hrs · 8,774 cycles

LEFT PACK LIGHT ILLUMINATED DURING MASTER CAUTION RECALL (AFTER START CHECKLIST). GROUNDED-YES. REMOVED AND REPLACED LEFT PACK TEMP CONTROL VALVE, IAW B737-900 AMM 21-51-10. OPERATIONS AND LEAK CHECK GOOD.

Part: SHUTOFF VALVE — LEAKING (NR 1 ENGINE PNE) · airframe 27,087 hrs · 8,741 cycles

FOLLOW-UP TO REPORT OF LOW LEFT DUCT PRESS AT IDLE. GROUNDED-YES. ACCOMPLISHED NR 1 ENGINE BLEED AIR SYS HEALTH CHECK, PER T/C NG-36WC-00002-1. NO FAULTS FOUND FROM T/C. DURING LEAK CHECK OF PNEUMATIC LINES FOUND PRSOV OPENING WITHOUT HAVING TO WRENCH OPEN FOR LEAK CHECK. ALSO FOUND PRSOV LEAKING FROM HOLE ON TOP BETWEEN BUTTERFLY VALVE. REMOVED & REPLACED NR 1 PRSOV, REF B737-900 AMM 36-11-04. LEAK & OPERATIONS CHECK GOOD. BLEED AIR CROSSOVER OPERATIONAL TEST CHECKS GOOD.

Part: REGULATOR — FAULTED (#1 ENGINE BLEED) · airframe 27,080 hrs · 8,739 cycles

AFTER ENGINE START LEFT BLEED AIR DUCT PRESSURE INDICATES 10 PSI WITH THRUST LEVER AT IDLE AND ENGINE ANTI ICE SWITCHES OFF. GROUNDED-YES. VERIFIED FAULT WITH ENGINE RUN AT IDLE. R & R HP VALVE, IAW B737-900 AMM 36-11-06-400-801. R & R HIGH STAGE REG, IAW AMM 36-11-07-400-801. PERFORMED IDLE LEAK CHECK FOR HP VALVE AND HP REGULATOR, PER AMM 71-00-00. NR 1 ENGINE DUCT PRESSURE WITHIN OPERATIONAL LIMITS, OK FOR SERVICE.

Part: VALVE — FAILED (NR 1 ENG HIGH ST) · airframe 26,874 hrs · 8,675 cycles

DURING FLIGHT, LEFT DUCT PRESSURE STABILIZED AT 11 PSI AT IDLE. GROUNDED-YES. PERFORMED NR 1 ENGINE BLEED AIR SYSTEM HEALTH CHECK, REF B737-900 AMM 36-11-00. FOUND HIGH STAGE VALVE BAD. REMOVED AND REPLACED HIGH STAGE VALVE, REF AMM 36-11-06. OPERATIONS CHECK GOOD AND NO LEAKS NOTED.

Part: WIRE HARNESS — DAMAGED (#1 ENGINE) · airframe 26,745 hrs · 8,633 cycles

MW0311 HARNESS FOUND CHAFED BY J10 HARNESS. GROUNDED-YES. REMOVED AND REPLACED MW311, REF B737-900 AMM 73-21-06-000-802-F00 AND AMM 73-21-06-400-802-F00. OPERATIONS TEST REQUIRED. AAVM VIBE OPERATIONS TEST PASSED, REF AMM 77-31-00. FADEC SYSTEM TEST PASSED, REF AMM 73-21-06. BLEED AIR REGULATOR TEST PASSED, REF AMM 73-21-06. ACCOMPLISHED B737-900 AMM 30-11-12-710-801. OPERATIONS CHECK GOOD (STEP F(1)(C)2)B).

Part: CONNECTOR — DAMAGED (NR 1 ENGINE) · airframe 26,745 hrs · 8,633 cycles

FOUND CH B CONNECTOR DAMAGED DURING HPTACC REMOVAL. J10 HARNESS REQ REPLACEMENT. GROUNDED-YES. REF L/P 60158705 FOR ALTERNATE DEACTIVATION PROCEDURES, REMOVED AND REPLACED J10 HARNESS, REF B737-900 AMM 73-21-06-00-802-F00 AND B737-900 AMM 73-21-06-400-802-F00. OPERATIONS TEST REQUIRED. FADEC SYSTEM TEST PASSED, REF B737-900 MM 73-21-00.

Part: SOLENOID — FAILED (#1 ENGINE) · airframe 26,745 hrs · 8,633 cycles

NR 1 ENGINE GROUND WING TAI SOLENOID VALVE TEST FAILED STEP F(2)D). GROUNDED-YES. REMOVED AND REPLACED NR 1 ENGINE GROUND WING THERMAL ANTI-ICING SOLENOID VALVE, REF B737-900 AMM 30-11-12. OPERATIONS CHECK GOOD.

Part: IGNITION SYS — OPEN (APU) · airframe 26,560 hrs · 8,573 cycles

APU FAULT ILLUM DURING ATTEMPTED START. GROUNDED-YES. CONFIRMED APU NO START AND FUEL FLOW. MX FAULT 49-41181 REPORTED. REPLACED APU IGNITION UNIT, IAW B737-900 AMM 49-41-31. GROUND VERIFICATION OPS CHK GOOD.

Part: FMC — FAILED (LEFT) · airframe 26,189 hrs · 8,462 cycles

LEFT FMC APPEARED TO FAIL FOR 3-4 MINUTES THEN RESET. OBS INDICATIONS REPEATED 3 TIMES, LAST ONE PUT FMC SW TO FMC "R", VTK ON LEFT ND, NO FMC DATA ON LEFT ND, BOTH MCDU'S HAD NO FMC PROMPT, RIGHT ND NORMAL. GROUNDED - YES. ACCOMPLISHED FMC BITE, BITE SHOWS FMC-L- PGM FAULT. REF B737-900 FIM 34-61 TASK 801. PER REF FIM 34-61 TASK 807 DO NOT REPLACE FMC FOR THIS FAULT. ACCOMP FMC SENSOR STATUS TEST FOR BOTH FMC'S ALL OK. ACCOMP FIX OUTPUT TEST, TEST PASSES FOR BOTH FMC'S REF B737-900 AMM 34-61-00-710-026.

Part: UNKNOWN — MALFUNCTIONED (AC BAY) · airframe 26,017 hrs · 8,404 cycles

RT PACK TRIPPED LIGHT ILLUMINATED. WOULD NOT RESET ON MASTER RECALL. GROUNDED - YES. ACCOMPLISHED RT HAND PACK BITE REF FIM 21-62 TASK 801 FOUND RT TCV FAULT. RELEASED PER MEL 21-33E RT PACK TCV INOP. NR 1 & NR 2 PACK/ZONE TEMP CTL NORMAL (BITE TEST) RT PACK CK NORMAL. THIS CLEARS MEL 21-33E.

Part: ACM — FAILED (AC BAY) · airframe 26,017 hrs · 8,404 cycles

AFTER ENGINE START, RT PACK TEMP WENT TO 100 C FOLLOWED BY PACK LIGHT THAT WOULD NOT RESET. GROUNDED - YES. FOUND THE RT ACM LOCKED UP BLADE MISSING. REMOVED AND REPLACED RT PACK ACM PER AMM 21-51-04/401. LK CK GOOD, RT PACK OPS GOOD REF AMM 21-51-04.

Part: UNKNOWN — MALFUNCTIONED (CABIN TEMP) · airframe 25,940 hrs · 8,382 cycles

CONT CAB ZONE TEMP LIGHT ON MASTER CAUTION RECALL. GROUNDED - YES. FLT DECK PRIMARY TEMP CONTROL INOP. NR 2 PZTC LOGGED "FLT DECK TRIM VALVE". PERFORMED FIM 21-62 TASK 832. ETOPS GRD VERIFICATION NML, REF FIM 21-62 TASK 801.

Part: OIL COOLER — LEAKING (NR 2 IDG) · airframe 25,680 hrs · 8,301 cycles

FOUND EVIDENCE OF OIL LEAKAGE FROM #2 ENGINE IDG AIR/OIL COOLER. GROUNDED - YES. REPLACED #2 ENGINE IDG AIR/OIL COOLER REF B737-900 AMM 24-11-21. LEAK CHECK GOOD.

Part: SWITCH — FAILED (CONTROL COLUMN) · airframe 25,680 hrs · 8,301 cycles

REF L/P 12301081. DURING ACCOMPLISHING LAND VERIFY (AUTOLAND) FAULT MSG 22-11125. GROUNDED - YES. VERIFIED FAULTS 22-11125 AND 22-11126 DURING BITE LIBRARY TEST 60.32. REPLACED THE ELEVATOR SENSOR REF B737-900 AMM 22-11-30/401. COMPLETED ADJUSTMENT. NO HELP TO ORIGINAL DEFECT. REPLACED F/O'S COLUMN CUTOUT SWITCH M1201 REF AMM 27-41-51/401. ADJUSTMENT AND OPS CHECK GOOD. ACCOMPLISHED INSTALLATION TEST OF THE ELEVATOR POSITION SENSOR IAW AMM 22-11-30-820-801. GROUND VERIFICATION TESTS ARE GOOD.

Part: WIRE HARNESS — FAULTY (NR 1 ENGINE) · airframe 25,562 hrs · 8,259 cycles

GE DIAGNOSTICS REPORTS #1 ENGINE TREND DATA SHOWS A DELTA EGT INCREASE AND EGTHDM DECREASE. EGT INDICATION ERRORS ARE SUSPECT. GROUNDED - YES. REMOVED #1 CJ9 HARNESS, REF B737-900 AMM 73-21-06-000-803. CJ9 HARNESS ON ENG #1 INSTALLED. OPERATIONAL CHECKS GOOD AND NO FAULTS ON EEC BITE TEST. EGT TEMPERATURES ARE WITHIN TOLERANCE: S1 20.87, S2 18.57, S3 18.24, AND S4 18.04.

Part: CONTROL PANEL — FAILED (COCKPIT) · airframe 25,536 hrs · 8,253 cycles

F/O COURSE WINDOW SEGMENTS IMPROPERLY ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED DFGC MODE CONTROL PANEL. OPS CKS GOOD/ F/O COURSE SEGMENTS OPERATE NORMALLY, ALL TESTS PASS REF B737-900 AMM 22-11-34-400-801. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.

Part: UNKNOWN — MALFUNCTIONED (COCKPIT) · airframe 25,476 hrs · 8,234 cycles

AFTER HAVING A "VTK" AND "MAP" ILLUMINATED ON CAPT ND, RAN THE QRH AND WAS ABLE TO RESTORE DUAL FMC OPERATION. GROUNDED - YES. COULD NOT DUPLICATE FAULT ON EITHER FMC-1 OR FMC-2. OPS TEST NORMAL. REF B737-900 FIM 34-61 TASK 807.

Part: MODULATING VALVE — FAILED (AC BAY) · airframe 25,461 hrs · 8,230 cycles

ON RECALL "AIR COND" ZONE TEMP LIGHT ILLUMINATED FOR CONT CABIN. IT WILL RESET WITH THE MASTER CAUTION. GROUNDED - YES. REMOVED AND REPLACED ZONE TRIM AIR MODULATING VALVE REF B737-900 AMM 21-61-21. BITE TEST GOOD, LEAK CHECK GOOD, OPS CHECK GOOD. GROUND VERIFICATION SUCCESSFUL.

Part: GENERATOR — FAULTED (APU) · airframe 25,048 hrs · 8,115 cycles

DURING ATTEMPTED APU START AFTER LANDING. APU FAULT LIGHT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED START POWER UNIT REF B737-900 AMM 49-41-71-00-801 & 49-41-71-400-801, APU REMAINED INOP. REMOVED AND REPLACED APU START-GENERATOR. PART VERIFIED REF B737-900 AMM 49-41-21-000-801 & 49-41-21-400-801. OPS TEST NORMAL, TESTS PASSED. A/C OK FOR SERVICE.

Part: STARTER GEN — INOPERATIVE (APU) · airframe 25,035 hrs · 8,111 cycles

AFTER START APU WOULD NOT COME ON BUSSES. BLUE "APU GEN OFF BUS " IS ILLUMINATED BUT 0 VOLTS AND FREQ. GROUNDED - YES. WORKED IN CONJUNCTION W/ LOGPAGE 12163865 REMOVED AND REPLACED STARTER GENERATOR REF B737-900 AMM 49-41-21-400-801.

Part: DISPLAY — MALFUNCTIONED (CAPTAIN'S) · airframe 24,955 hrs · 8,089 cycles

IN CRUISE CAPTAIN'S MCDU WENT BLANK FOR ABOUT 30 SECONDS. MCDU "CALL", "FAIL", "MSG", AND "OFST" AS WELL AS "EXEC" LIGHT ILLUMINATED. NO OTHER INDICATIONS AND MCDU OPERATED NORMALLY AGAIN UNTIL LANDING. AFTER LANDING, BOTH FMCS LOST FMC INFORMATION AND "SINGLE FMC OPERATION" APPEARED IN F/O'S MCDU SCRATCHPAD AND FMC P/RST LIGHT ILLUMINATED. GROUNDED - YES. FMC BITE PER B737-900 FIM 34-61 TASK 801 SHOWED FAULT FOR MCDU-L REPORTED BY BOTH FMCS, FMC-R PROGRAM FAULT REPORTED BY FMC-R, AND FMC-L ETHERNET FAULT FOR FMC-R REPORTED BY FMC-L. ACCOMPLISHED T/S FOR MCDU BLANKING PER FIM 34-61 TASK 804 AND FOR FMC-R PROGRAM FAULT PER FIM 34-61 TASK 807 AND 34-61 TASK 837 - INITIAL EVALUATION DID NOT CONFIRM FAULTS. PERFORMED FMCS OPERATIONAL TEST PER B737-900 AMM 34-61-00-710-801 - ALL TESTS PASS.

Part: WARNING LIGHT — FALSE ACTIVATION (RT A/C PACK) · airframe 24,796 hrs · 8,044 cycles

ON PUSH BACK, DURING RECALL, RT PACK ILLUMINATED. GROUNDED - YES. PERFORMED PTC BITE NR 2 IAW FIM 21-62, TASK 801. FOUND EXIT FAULT. PERFORMED AN ACTUATOR INTERNAL FAULT MEMORY RESET IAW FIM 21-61 TASK 854. 3 BREAKERS PULLED AND RESET.

Part: UNKNOWN — MALFUNCTIONED (APU) · airframe 24,595 hrs · 7,977 cycles

APU WILL NOT START. GROUNDED - YES. CK'D AND REL PER MEL 49-1B. FAULT MESSAGE 49-41012 NO APU ROTATION SHUTDOWN. NO EVIDENCE OF HEAT DAMAGE OR DELAMINATION. STARTED APU AND PERFORMED BITE CHECK OF CDU NO CURRENTS FAULTS LOGGED. STARTED APU 5 TIMES WITH NO ISSUES. RAN APU AND INSPECTED NO DEFECTS NOTED.

Part: BULB — BURNED OUT (EMERGENCY LIGHT) · airframe 24,291 hrs · 7,896 cycles

EMERGENCY LIGHT EXIT LOCATOR SIGN ADJACENT TO RIGHT AFT OVERWING EXIT IS INOP. GROUNDED - YES. RELAMPED AND TESTED PER B737-900 AMM 33-51-01-960-801 - OPS NORMAL.

Part: FMC — MALFUNCTIONED (RIGHT) · airframe 24,275 hrs · 7,891 cycles

RIGHT FMC FAILED IN CRUISE. RAN FMC FAIL CHECKLIST WITH NO IMPROVEMENT. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 34-61-TASK 836 RT FMC OPS CKS NML.

Part: FMC — INOPERATIVE (RIGHT) · airframe 24,197 hrs · 7,867 cycles

R-FMC FAILED FOR A SHORT TIME (ABOUT 1 MIN). GOT VTK AND MAP FLAGS. BY THE TIME WE PULLED OUT THE CHECKLIST IT FIXED ITSELF. FL340 10.79 MACH. GROUNDED - YES. PERFORMED #2 FMC BITE. ETHERNET-2 WRAP FAILURE CODE ON NUMEROUS LEGS; HARDWARE FAILURE. AIRCRAFT CHECKED AND RELEASED PER MEL 34-36J. #2 FMC INOP. REF B737-900 FIM 34-61 TASK 837. REMOVED AND REPLACED RIGHT FMCS COMPUTER REFERENCE B737-900 AMM 34-61-02-00-801 AND AMM 34-61-02-400-801. ACCOMPLISHED FMC SOFTWARE LOAD PER AMM 34-61-00-470-806. FMC OPERATIONAL TEST PASS REFERENCE AMM 34-61-00-710-801. THIS CLEARS MEL 34-36J.

Part: FMC — FAULTED (RIGHT) · airframe 24,074 hrs · 7,834 cycles

FMC DISAGREE- VERTICAL LIGHTS ILLUMINATED FOR ABOUT 3 MINUTES ON APPROACH. FMC SINGLE OPERATION ILLUMINATED AFTER LANDING. GROUNDED - YES. ACCOMP FMC BITE ALL SENSORS SHOW OK. INFLT FAULT SHOW R FMC PGM INTERMITTENT FAULT. CYCLED PWR TO A/C. ACCOMP FMC OPS TEST, TEST PASS REF B737-900 FIM 34-61 TASK 801, FIM 34-61 TASK 807 & B737-900 AMM 34-61-00-710-026.

Part: VALVE — FAILED (NR 1 INLET) · airframe 23,937 hrs · 7,791 cycles

#1 ENG SELECTED ENGINE ANTI ICE ON- HOWEVER YELLOW TAI ILLUMINATED NEXT TO #1 ENG N1 GAUGE AND BLUE COWL VALVE OPEN LIGHT STAYED ON BRIGHT. LANDING WT 150,100 LBS RATE OF DECENT LESS THAN 200' FEET PER MINUTE. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE COL TAI VALVE, LEAK AND OPS CHECK GOOD. REF B737-900 AMM 30-21-11. OPENED, COLLARD, RESET 2 CB'S P18-3 ROW A COL 6,7. BONDING CHECK GOOD. PERFORMED OVERWEIGHT LANDING INSPECTION. REF AMM 05-51-35. MAX LANDING WEIGHT WITHIN LIMITS. NO DEFECTS NOTED.

Part: WIRE HARNESS — WORN (NR 2 ENGINE) · airframe 23,872 hrs · 7,774 cycles

WHILE PERFORMING #2 ENGINE HARNESS GVI PER TC842001 ON W/O 1008768, FOUND FIRE DETECTION HARNESS MW0325 WORN THROUGH BRAIDING BEYOND ACCEPTABLE LIMITS. GROUNDED - YES. REMOVED AND REPLACED FIRE DETECTION HARNESS MW0325 PER B737-900 AMM TASK 26-11-02-400-802. PERFORMED FIRE DETECTION OPERATIONAL TEST PER AMM TASK 26-11-00-710-801. OP CHECKS GOOD.

Part: WARNING FLAG — FALSE ACTIVATION (DISPLAY) · airframe 23,647 hrs · 7,706 cycles

MAP FLAG ON FO NAV DISPLAY. GROUNDED - YES. PERFORMED B737-900 FIM 34-61 TASK 836 RESET FT FMC & MAP FLAG EXTINGUISHED. DO FAULTS.

Part: CONNECTOR — DIRTY (EGT SYSTEM) · airframe 23,242 hrs · 7,574 cycles

DIAGNOSTICS REPORTS #1 ENGINE TREND DATA SHOWS AN INCREASE IN DELTA EGT AND A DECREASE IN HOT DAY MARGIN. ALL OTHER PARAMETERS NORMAL. EGT INDICATION ERRORS ARE SUSPECT. GROUNDED - YES. ACCOMPLISHED TASK CARD 78273000, ONE FAULT FOR #1 ENGINE, 77-10851 THE BOTTOM RIGHT ET SIGNAL (T49.5S2) IS OUT OF RANGE ON LEGS 2,4,7,8. ACCOMPLISHED EGT IND SYS T/S AND CONNECTOR CLEANING PER AMM 77-21-00-140-801, NO DEFECTS NOTED. ACCOMPLISHED RESISTANCE CHECKS PER AMM REF 77-21-01-200-801-F00, NO DEFECTS NOTED.

Part: OIL COOLER — LEAKING (NR 2 IDG) · airframe 22,519 hrs · 7,377 cycles

FOLLOW-UP TO #2 ENGINE IDG FREQUENT SERVICING. GROUNDED - YES. UPON FURTHER INSPECTION FOUND EVIDENCE OF OIL IN TR NEAR 7 O'CLOCK BLOCKER DOOR AND STREAKING FWD FROM THE IDG AIR/OIL COOLER. PRECAUTIONARY PERFORMED IDG OIL STATIC LEAK CHECK AND FOUND MINIMAL PRESSURE DROP. REMOVED AND REPLACED #2 IDG AIR OIL COOLER REF AMM 24-11-21. LEAK CHECK GOOD.

Part: BALLSCREW — LEAKING (HORIZONTAL STAB)

BALL SCREW ASSY WAS LEAKING GREASE FROM RETURN TUBES. FOUND INCORRECTLY SEALED. REMOVE FROM HSTA AND SEND TO MFG FOR REPAIR.

Part: WARNING FLAG — FALSE INDICATION (FLT DIRECTOR) · airframe 22,049 hrs · 7,231 cycles

CAPTAINS FLIGHT DIRECTOR WARNING FLAG (FD) ON. GROUNDED - YES. PERFORMED B737-900 FIM 22-11 TASK 801 DFCS BITE PROCEDURE, NO FAULTS SHUT DOWN POWER TO AIRCRAFT AND RESTARTED POWER UP WITH FD WORKING PROPERLY AND WARNING FLAG IS NO LONGER SHOWING.

Part: TRANSITION PANEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 21,953 hrs · 7,202 cycles

FWD CARGO RT TRANSITION PANEL FROM 500I-500L CORRODED. GROUNDED - YES. FABRICATED TRANSITION PANEL IAW SRM 53-00-53, 51-40-05 AND INSTALLED IAW SRM 51-40-02 AND BAC DWG 143A7500.

Part: TRANSITION PANEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 21,953 hrs · 7,202 cycles

FWD CARGO COMPT. LT STA 500F-500H, SIDEWALL TRANSITION PANEL HAS SPOTS OF CORROSION. GROUNDED - YES. FABRICATED TRANSITION PANEL IAW SRM 53-00-53, 51-40-05 AND INSTALLED IAW SRM 51-40-02 AND BAC DWG 143A7500.

Part: ANGLE — CORRODED (FUSELAGE) · corrosion level 2 · airframe 21,953 hrs · 7,202 cycles

AFT CARGO COMPARTMENT LEFT AND RIGHT LOWER TRANSITION STRUCTURES, FROM STATION 807 TO 727A HAVE NUMEROUS AREAS WITH CORROSION. GROUNDED - YES. REMOVED AND REPLACED TRANSITION ANGLES IAW SRM 53-00-53 AND BAC DWG 146A7500, REV.-

Part: TRANSITION PANEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 21,953 hrs · 7,202 cycles

FWD CARGO COMPT. LT STA 500H-500L SIDEWALL TRANSITION PANEL HAS SPOTS OF CORROSION. GROUNDED - YES. FABRICATED TRANSITION PANEL IAW SRM 53-00-53, 51-40-05, AND INSTALLED IAW SRM 51-40-02 AND BAC DWG 143A7500.

Part: TRANSITION PANEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 21,953 hrs · 7,202 cycles

FWD CARGO COMPT. RT STA 500D-500B, SIDEWALL TRANSITION PANEL HAS SPOTS OF CORROSION. GROUNDED - YES. FABRICATED TRANSITION PANEL IAW SRM 53-00-53, 51-40-05 AND INSTALLED IAW SRM 51-40-02 AND BAC DWG 143A7500.

Part: TRANSITION PANEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 21,953 hrs · 7,202 cycles

FWD CARGO COMPT. LT STA 500D-500, SIDEWALL TRANSITION PANEL HAS SPOTS OF CORROSION. GROUNDED - YES. FABRICATED TRANSITION PANEL IAW SRM 53-00-53, 51-40-05 AND INSTALLED IAW SRM 51-40-02 AND BAC DWG 143A7500.

Part: CHANNEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 21,953 hrs · 7,202 cycles

AFT CARGO COMPARTMENT FLOOR CHANNEL AT STATION 787, AND APPROX RBL33 HAS CORROSION. **CIRCLED IN RED**. GROUNDED - YES. REMOVED DAMGED SECTION AND INSTALLED REPAIR SPLICE PER ER SRM 53-00-53 AFTER BEING FOUND OUT OF LIMITS PER ER SRM 53-00-53-1A-2.

Part: SUPPORT ANGLE — CORRODED (FUSELAGE) · corrosion level 2 · airframe 21,953 hrs · 7,202 cycles

FWD CARGO COMPT. STA 500L, AFT FLOOR PANEL SUPPORT ANGLE HAS SPOTS OF CORROSION GROUNDED - YES. REMOVED SUPPORT ANGLE IAW (EXCEEDED LIMITS) SRM 51-40-02 LOCATED AND DRILLED NEW SUPPORT IAW SRM 51-40-05 AND INSTALLED IAW SRM 51-40-02 AND BAC DWG 143A9481.

Part: TRANSITION PANEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 21,953 hrs · 7,202 cycles

FWD CARGO COMPT. RT STA 500I-500G SIDEWALL TRANSITION PANEL HAS SPOTS OF CORROSION. GROUNDED - YES. FABRICATED TRANSITION PANEL IAW SRM 53-00-53, 51-40-05 AND INSTALLED IAW SRM 51-40-02 AND BAC DWG 143A7500.

Part: POWER SUPPLY — FAILED (CABIN) · airframe 21,949 hrs · 7,201 cycles

EMERGENCY LIGHT BATTERY AND CHARGER M1673 FAILED BATTERY CAPACITANCE CHECK. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY POWER SUPPLY M1673 S/N 303007 AND PERFORMED SUCCESSFUL SYSTEM OP CHECK IAW AMM 33-51-06-960-806.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 21,908 hrs · 7,190 cycles

AUTOTHROTTLE DID NOT ENGAGE THE #2 POWER LEVER AFTER TOGA WAS PUSHED FOR DEPARTURE. GROUNDED - YES. ACCOMPLISHED AUTOTHROTTLE BITE REF B737-900 FIM 22-31 TASK 801. TEST PASSED WITH NO FAULTS FOUND. ACCOMPLISHED AUTHTHROTTLE SYSTEM- OPERATIONAL TEST REF B737-900 AMM 22-31-00-710-801. OPS CK GOOD WITH NO FAULTS. ACCOMPLISHED AUTOTHROTTLE SYSTEM- SYSTEM TEST REF AMM 22-31-00-710-802. ALL TESTS PASSED WITH NO FAULTS. BOTH THROTTLES WERE ENGAGED EVENLY.

Part: FMC — MALFUNCTIONED · airframe 21,857 hrs · 7,177 cycles

ON CLIMBOUT, ABOUT 1000 ' MSL, VNAV DISCONNECTED AND WOULD NOT RE- ENGAGE. FMC CLIMB AND CRZ PAGE SPEEDS BLANKED OUT. AFTER 60-90 SECONDS, SPEEDS RE- POPULATED ON CLB & CRZ PAGES AND VNAV WAS ENGAGEABLE. VNAV WORKED NORMALLY FOR THE REST OF FLIGHT, INCLUDING RNAV RNP APPROACH. GROUNDED - YES. PERFORMED FMC BITE CHECK OPS CHECK GOOD REF B737-900 FIM 34-61 TASK 801. DFCS BITE TEST CHECKS GOOD REF TASK 22-11-00-740-815. PERFORMED FIM 34-61 TASK 804 "CONTROL DISPLAY UNIT BLANKS" NO DEFECTS NOTED.

Part: FMC — MALFUNCTIONED (RIGHT) · airframe 21,855 hrs · 7,176 cycles

ON DEPARTURE OUT OF ATL ON A RNAV DEPARTURE & LNAV/VNAV ENGAGED ON TAKEOFF ROTATION LNAV & VNAV BOTH DISAPPEARED & WE LOST F/D GUIDANCE. WE TURNED BOTH F/D OFF, THEN ON & REENGAGED LNAV & VNAV WHICH WORKED. THEN CLIMBING OUT OF 15,000 FT VNAV DISENGAGED & FMA WENT INTO CWS PITCH. VNAV WOULD NOT REENGAGE RIGHT AWAY, WE TRIED VNAV SEVERAL MINUTES LATER GOING THROUGH 27,000 FT IT WORKED FOR REMAINDER OF FLIGHT. GROUNDED - YES. "A" DFCS LOGGED MSG 22-11822 - FMC DATA INVALID. FMC TESTS GOOD REF B737-900 AMM TASK 34-61-00-710-801. "A" DFCS TESTS GOOD PER AMM TASK 22-11-00-740-815.

Part: REGULATOR — FAILED (NR 1 HIGH STAGE) · airframe 21,792 hrs · 7,157 cycles

WHILE PERFORMING T/C NG-36WC-00001 (#1 ENG BLEED AIR HEALTH CHECK) FOUND THAT THE HIGH STAGE VALVE REGULATOR FAILED OPS CHECK. GROUNDED - YES. REPLACED THE HIGH STAGE REGULATOR REF B737-900 AMM 36-11-07-400-801 OPS CHECK GOOD.

Part: SHUTOFF VALVE — FAILED (BLEED CROSSOVER) · airframe 21,792 hrs · 7,157 cycles

DURING CROSSOVER TEST OF THE #1 ENGINE DUCT PRESSURE AT 30% AT 40# N1, LOW BY 10%. GROUNDED - YES. REMOVED AND REPLACED PRSOV REF B737-900 AMM 36-11-04, LEAK AND OPS CHECK GOOD.

Part: VALVE — FAILED (NR 1 HIGH STAGE) · airframe 21,792 hrs · 7,157 cycles

DURING ENGINE RUN NOTICED DUCT SPLIT UP TO APPROXIMATELY 40% BEFORE PRESSURES EVENED UP. GROUNDED - YES. REMOVED AND REPLACED #1 ENG HIGH STAGE VALVE REF B737-900 AMM 36-11-06 REQUIRES BLEED AIR CROSSOVER TEST AND HIGH STAGE VALVE OPS CHECK. LEAK CHECK OF HIGH STAGE VALVE GOOD. PERFORMED CROSSOVER TEST PER AMM 36-11-00-710-801.

Part: UNKNOWN — MALFUNCTIONED (AUTOPILOT SYS) · airframe 21,625 hrs · 7,106 cycles

AUTOLAND TOUCHDOWN ABOUT 40' LEFT OF CENTERLINE. STARTED DEVIATION FROM CENTERLINE AT ABOUT 50' AGL. GROUNDED - YES. ACCOMPLISHED LLM MX PRACTICES FOR INBOUND CONDITION RELATED TO AUTOLAND AMM 22-00-01-730-807 NO CURRENT FAULTS AND ALL TESTS PASS. ACCOMPLISHED MAINTENANCE TEST AMM 22-00-01-730-803 ALL TESTS PASS.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 21,605 hrs · 7,099 cycles

FAULT LIGHT ON CONT CAB ZONE TEMP ON RECALL, RESETS WHEN MASTER CAUTION RESET PRESSED. GROUNDED - YES. ACCOMPLISHED INITIAL EVALUATION FOR FIM 21-62 TASK 842- CONTROL CABIN ZONE TEMP LIGHT ON AND STAYS OFF AFTER RESET. SYSTEM OPERATED NORMAL- NO ZONE TEMP LIGHT ILLUMINATION. ALSO ACCOMPLISHED PACK TEMP CONTROL BITE PROCEDURE FIM 21-62 TASK 801 WITH NO FAULTS. ETOPS GROUND VERIFICATION TEST PASS.

Part: SENSOR — FAILED (WINDSHIELD) · airframe 21,493 hrs · 7,061 cycles

LEFT FWD WINDOW HEAT OVERHEAT LIGHT CAME ON DURING DESCENT AROUND FL190. RAN QRH. LIGHT CAME BACK ON. GROUNDED - YES. PERFORMED L1 WINDOW HEAT BITE CHECK PER FIM 30-41 TASK 801. CONTROLLER SHOWS WINDOW SENSOR FAULT. SWITCHED TO OTHER SENSOR AND PERFORMED BIT CHECK AGAIN. OTHER SENSOR FAILED ALSO, SWITCHED BACK TO ORIGINAL SENSOR. REMOVED AND REPLACED L1 WINDOW REF AMM TASK 56-11-11. NEW WINDOW CODE H12. MOVED WIRE 1002-18 TERMINAL FROM POSITION 1 TO POSITION 2 OF TERMINAL BOARD TB5010 IAW WDM 30-41-11-6. WINDOW HEAT OPS TEST GOOD REF AMM 30-41-00-710-801.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 21,483 hrs · 7,059 cycles

LEFT FWD WINDOW HEAT OVERHEAT CAUTION LIGHT ILLUMINATED ON FINAL APPROACH. PERFORMED QRH AND LIGHT REMAINED ILLUMINATED. GROUNDED - YES. PERF WINDOW WHCU BITE PER FIM 30-41 TASK 801 WINDOW HEAT RESET. OPS CK GOOD.

Part: CONTROL MODULE — INTERMITTENT (COCKPIT) · airframe 21,390 hrs · 7,034 cycles

FLT ALTITUDE SELECTOR KNOB ON PRESSURIZATION SYSTEM CONTROL HAS TROUBLE SELECTING DESIRED ALTITUDE. SOMETIMES THE DIGITAL ALTITUDE SELECTED INDICATOR WILL NOT MOVE WITH THE KNOB MOVEMENT. GROUNDED - YES. DUPLICATED PROBLEM - INTERMITTENT. REPLACED CABIN PRESSURE CONTROL MODULE, OPS NORMAL. REF AMM TASK 21-31-02/401.

Part: WARNING LIGHT — FALSE ACTIVATION (COCKPIT TEMP) · airframe 21,243 hrs · 6,993 cycles

CONT CABIN "ZONE TEMP" LIGHT ILLUMINATED WITH MASTER CAUTION RECALL - GOES OUT WITH RESET. GROUNDED - YES. ACCOMPLISHED PZTC BITE REF B737-900 FIM 21-62 TASK 801 NO FAULTS #1, #2 PZTC ON BIT AND PREV FLT LOGGED FLT DECK TRIM VALVE WITH A GREEN ON GO, RAN PACKS AND REACCOMPLISHED PZTC BITE WITH NO FAULTS LOGGED.

Part: KNOB — INOPERATIVE (CABIN PRESSURE) · airframe 21,243 hrs · 6,993 cycles

PRESSURIZATION SYSTEM -FLT ALT KNOB INOP. GROUNDED - YES. CYCLED PRESSURIZATION PANEL C/B PRESSURIZATION PANEL -OPS CHECK GOOD IAW B737-900 AMM 21-31-00.

Part: SELECTOR — MALFUNCTIONED (COCKPIT) · airframe 21,199 hrs · 6,982 cycles

FLT ALT WINDOW ON PRESSURIZATION CONTROLLER ONLY SCROLLS BETWEEN 34000 AND 34500. GROUNDED - YES. TAPPED ON PRESSURIZATION CONTROLLER SELECTOR, ALT WINDOW SELECTS NORMAL. OPS NORMAL REF AMM 21-31-00.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 20,920 hrs · 6,889 cycles

VTK ILLUMINATED ON FO'S NAV DISPLAY. GROUNDED - YES. REF FIM 34-61 TASK 801 PERFORMED FMC BITE TEST NO CURRENT FAULTS NO HISTORY 30 DAYS.

Part: CONTROL VALVE — INOPERATIVE (RT A/C PACK) · airframe 20,242 hrs · 6,679 cycles

AFTER PUSHBACK AND STARTING ENGINES UPON PRESSING SYSTEM ANNUNCIATOR PANEL FOR RECALL, THE AFT ZONE TEMP LIGHT ILLUMINATED, UPON RESET LIGHT EXTINGUISHED. WE WERE UNABLE TO CONTROL THE AFT CABIN TEMP CONTROL, WITH AFT SELECTOR IN THE AFT DUCT SUPPLY POSITION. THE AFT PASSENGER CABIN TEMP CONTROL TEMPERATURE WAS 34C. GROUNDED - YES. ACCOMPLISHED AFT CABIN TRIM VALVE FAULT ISOLATION FOUND ZONE TRIM MODULATION VALVE BAD. REMOVED AND REPLACED ZONE TRIM MODULATING VALVE REF B737-900 AMM 21-61-21-000-801 AND 400-801. OPS AND LEAK CHECK GOOD PACK ZONE TEMP CONTROLLER BITE CHECK GOOD.

Part: CONTROL VALVE — FAULTED (RT A/C PACK) · airframe 20,235 hrs · 6,675 cycles

ON RECALL AFT CAB ZONE TEMP LIGHT ILLUMINATES. GROUNDED - YES. PERFORMED BITE OF #1 PACK TEMP CONTROLLER FOUND AFT ZONE TRIM VALVE FAULTING REF B737-900 FIM 21-62 TASK 801. REMOVED AND REPLACED AFT ZONE TEMP CONTROL VALVE REF B737-900 AMM 21-61-21 OPS CHECK AND LEAK CHECK GOOD.

Part: VALVE — FAULTED (ZONE TEMP) · airframe 20,169 hrs · 6,653 cycles

AFT ZONE TEMP FAULT LIGHT ON. GROUNDED - YES. FOUND AFT ZONE VALVE FAULT ON LH CONTROLLER PERFORMED BITE PER B737-900 FIM 21-61 TASK 801 NO HISTORY 90 DAYS NO FAULTS NOTED.

Part: SPACER — DEBONDED (NR 2 ENGINE) · airframe 19,991 hrs · 6,596 cycles

WHILE ACCOMPLISHING TC 78472002 NO 2 ENGINE SN 658290 FOUND NR 8 SPACER DISBONDED. GROUNDED - YES. REPLACED NR 8 SPACER ON NR 2 ENGINE SN 658290. REF TC 78472002 FOR WORK PERFORMED AND VIB SURVEY.

Part: CONTROL VALVE — FAULTY (AC BAY) · airframe 19,882 hrs · 6,569 cycles

UPON PUSH BACK LH PACK LIGHT ILLUMINATED W/ MASTER CAUTION RECALL. GROUNDED - YES. LT ZONE TEMP CONTROL SHOWS "THIS SIDE TCV" FAIL. VERIFIED VALVE MOVING VERY SLOW, REPLACED TCV REF AMM TASK 21-51-10-000-801 AND 21-51-10-400-801. RAN APU BLEED AND LT PACK NO LEAK DETECTED. PERFORMED TEMP ZONE CONTROL BITE TEST REF AMM TASK 21-60-00-700-806-002 NO DEFECT NOTED.

Part: MODULE — FAILED (AIR CON SYSTEM) · airframe 19,115 hrs · 6,322 cycles

STARTING THE NR 1 ENGINE, ISOLATION VALVE CLOSED POSITION NOTICED A SLOW RISE IN ACCELERATION. SMELLED BLEED THROUGH AFTER START WITH DUCT PRESSURE EQUAL. RECONFIGURED AND ISOLATION VALVE, WORKED NORMALLY. ACFT GROUNDED. FOUND THE ISOLATION SWITCH ON THE AIR CONDITIONING MODULE TO BE BAD. CHANGED THE AIR CONDITIONING MODULE IAW AMM 21-51-65-400-801, ALL OPS CHECKED GOOD AND ENGINE START WAS GOOD.

Part: START VALVE — FAILED (NR 2 ENGINE) · airframe 18,967 hrs · 6,262 cycles

NO N2 ROTATION ON NR 2 ENGNIE. GROUNDED - YES. REMOVED AND INSTALLED A NEW START VALVE ON NR 2 ENG REF AMM 80-11-03-000-801 AND AMM 80-11-03-400-801. OPS AND LEAK CK OK.

Part: CONTROL PANEL — FAILED (COCKPIT) · airframe 18,868 hrs · 6,230 cycles

WITH APU RUNNING PLACED BLEEDS AND PACKS ON AND FWD CAB ZONE TEMP LIGHT ILLUMINATED. INTERMITTENTLY, MASTER CAUTION EXTINGUISHED LIGHTS. ZONE TEMP ILLUMINATES ON RECALL. GROUNDED - YES. REPLACED P5-10 PANEL REF AMM 21-51-65 OP CHECK NORMAL. FWD CABIN ZONE TEMP LIGHT NO LONGER ILLUMINATES ON RECALL.

Part: WIRE — DAMAGED (E3-3 SHELF) · airframe 18,868 hrs · 6,230 cycles

AFTER ENGINE START AND BOTH PACKS WERE TURNED ON, FWD CAB ZONE TEMP LIGHT ILLUMINATED ON RECALL. SOON AFTER, BOTH MASTER CAUTION LIGHTS ILLUMINATED ALONG WITH "AIR COND" ON RECALL. CANNOT RESET MASTER CAUTION OR ZONE TEMP LIGHTS. GROUNDED - YES. PERFORMED WIRING CHECKS PER TSR702014 FOUND D3860A TO D41818J PIN B4 TO A6 HAS HIGH RESISTANCE AND A4 TO A7 HAS HIGH RESISTANCE ALSO. DURING GVI OF E3-3 RACK FOUND WIRE W0330-2008-24 R&B NICKED AND SHORTING TO STRUCTURE. REPLACED WIRE W0330-2008-24 R&B, FROM CONN D3860A TO D41818P. SYS OPS NML. REF WDM 21-61-13, AMM 23-27-33, 23-12-21, 20-10-07, 21-61-20, 24-31-31.

Part: MODULATING VALVE — FAILED (AC BAY) · airframe 18,868 hrs · 6,230 cycles

AFTER ENGINE START AND PACKS WERE PLACED ON, "ZONE TEMP" LIGHT ILLUMINATED ON FORWARD CAB. BOTH MASTER CAUTION LIGHTS ILLUMINATED ALONG WITH AIR CONDITIONING LIGHT. LIGHTS WOULD NOT RESET WHEN MASTER CAUTION PRESSED. FWD CAB TEMP CONTROLLER KNOB HAD NO EFFECT ON TEMPERATURE GAUGE. GROUNDED - YES. P/Z TEMP CONTROL 2 SHOWS CABIN SENSOR ZONE FAULT. UNABLE TO RESET. REPLACED FWD CABIN ZONE TEMP SENSOR AND CHECK OK REF AMM 21-61-00. REPLACED NR 2 ACAU PRECAUTIONARY AND CHECK OK REF AMM 21-51-02. RAN BOTH PACKS, FWD ZONE TEMP CONTROL DOES NOT RESPOND. REMOVED AND REPLACED FWD TRIM ZONE VALVE REF AMM 21-61-21, CHECKS OK REF AMM 21-61-00-700-806-002 CABIN TEMP CONTROL OP TEST OK REF AMM 21-61-00-700-807-002.

Part: CONTROLLER — FAILED (E&E BAY) · airframe 18,868 hrs · 6,230 cycles

ZONE TEMP LIGHT ILLUMINATED ON FWD CABIN TEMP CONTROL. EXTINGUISHED ON MASTER RESET. CANNOT CONTROL SUPPLY DUCT TEMP WITH TEMP SELECTOR KNOB. GROUNDED - YES. NR 2 P/Z CONTROLLER LOGGED FWD ZONE CABIN SENSOR FAULT. REF AMM 21-61-10 CLEANED SENSOR, NO HELP. UNABLE TO RESET FAULT. REPLACED NR 2 TEMP CONTROLLER PER AMM 21-61-20. PACK TEMP CONTROLLER BITE TEST PASSED NO FAULTS NOTED PER AMM 21-61-00. CABIN TEMP OPERATIONAL TEST SUCCESSFUL PER AMM 21-61-00.

Part: DISPLAY — MALFUNCTIONED (COCKPIT) · airframe 18,811 hrs · 6,213 cycles

AFTER LANDING BOTH CDU'S WENT MOMENTARILY BLANK (APPROX 2 SEC) THEN RETURNED TO NORMAL. GROUNDED - YES. NO HISTORY OF SAME 60 DAYS. LT & RT FMC FFR SHOWS A LOGGED GND FAULT OF LT FMC. CURRENT OPS CHECK OF BOTH FMC'S GOOD. REF AMM 34-61-00.

Part: FMC — MALFUNCTIONED · airframe 18,716 hrs · 6,182 cycles

RIGHT FMC BLANKED AND REBOOTED AFTER LANDING. GROUNDED - YES. VERIFIED R-FMC IN FLIGHT FAULT. REF FIM 34-61 TASK 804 REBOOTED FMC R & L OPENED & CLOSED 4 C/B'S NORM OPS RESTORED.

Part: TRANSCEIVER — FAILED (WX RADAR SYS) · airframe 18,521 hrs · 6,124 cycles

WEATHER RADAR DEPICTED SIGNIFICANT WEATHER COVERING THE ENTIRE NAV DISPLAY FOR THE FIRST OFFICER DURING THE WHOLE FLIGHT, REGARDLESS OF SETTINGS USED. WEATHER TEST APPEARED NORMAL AND WEATHER DISPLAYED ON CAPTAIN`S SIDE APPEARED NORMAL. ACFT GROUNDED. REMOVED & REPLACED THE WEATHER RADAR R/T IAW AMM 34-43-41. OPS NORMAL. ON GROUND, VERIFIED THE WEATHER DISPLAYED ON CAPTAIN'S ND IDENTICAL WITH THE FIRST OFFICER'S ND WITH LIKE GAIN & TILT SETTINGS.

Part: CONTROLLER — FAULTY (E&E BAY) · airframe 18,283 hrs · 6,046 cycles

FWD CAB ZONE TEMP ILLUMINATED ON RECALL, LIGHT EXTINGUISHED ON MASTER CAUTION SYSTEM RESET. GROUNDED - YES. NR 2 PACK ZONE TEMP CONT SHOWS "FWD CABIN ZONE" SENSOR FAULT DURING BITE TEST. SAME AS "HISTORY" FAULT CLEARS ON VERIFY. NR 1 D2TC - NO FAULTS. ON BITE REF AMM 21-61-00-700-806-002. BOTH PZTCS REMOVED & REPLACED TO ACCOMPLISH TSR701823. ACCOMPLISHED PZTC ON NR 1 (M1442) BITE TEST PASSES. REMOVED & REPLACED NR 2 PZTC, (M1443) REF AMM 21-61-20-400-801 REF FIM 21-62 TASK 801. ACCOMPLISHED PZTC BITE REF THE SAME. OPS CK GOOD. ACCOMPLISHED CABIN TEMP CONTROL & IND OPS TEST REF AMM 21-61-00-700-807-002. OPS CK GOOD. GROUND VERIFICATION SUCCESSFUL.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 18,280 hrs · 6,045 cycles

WHEN RECALL FOR MASTER CAUTION SYSTEM IS PRESSED, AIR COND IS ILLUMINATED WITH A ZONE TEMP LIGHT FOR THE FWD CAB. LIGHTS EXTINGUISH WHEN MASTER CAUTION SYSTEM IS RESET. GROUNDED - YES. FWD CAB ZONE TEMP OPS CHECK GOOD IAW FIM 21-62 TASK 843.

Part: SHUTOFF VALVE — FAULTED (RT CABIN TEMP) · airframe 18,270 hrs · 6,042 cycles

DURING DESCENT, PRESSING MASTER CAUTION RECALL, FWD CABIN ZONE TEMP ILLUMINATED. PRESSING MASTER CAUTION RESET, THE LIGHT EXTINGUISHED. ACFT GROUNDED. THIS TIME THE OPS PROCEDURE TO DISPATCH. #2 PZTC BITE SHOWS CABIN SENSOR - ZONE FAULT AND NR 1 PZTC SHOWS BACKUP ZONE -FAULT ON PREVIOUS FLT IAW AMM 21-61-00-700-806-002. BOTH CLEAR, THE FAULTS DURING VERIFY. NORMAL CONTROL OF FWD CABIN TEMP RESTORED AFTER RESET. COMPARED FAN STRENGTH TO FWD TO AFT SENSORS FANS AND AFT HAS A HIGH PITCH WHINE, OPENED PANEL AND FOUND TEMP BULB CONNECTOR BACK SHELL D15504 COMPLETELY UNSCREWED THE CONNECTOR WAS LOOSE. SECURED THE CONNECTOR AND BACKSHELL. AFT CABIN FAN TEMP BULB TEST NORMAL. TROUBLESHOOT IAW SYNOPTICS 21-00, WDM 21-61-13. DUE TO HISTORY OF CONTROL CABIN, FWD CAB ZONE, SENSORS, AND CABIN GETTING HOT, SUSPECT BAD PRSOV. R & R TRIM AIR PRSOV IAW AMM 21-62-01. NO FAULTS.

Part: ACCESSORY UNIT — MALFUNCTIONED (A/C PACK) · airframe 18,256 hrs · 6,038 cycles

FWD ZONE CABIN TEMP LIGHT ILLUMINATED, TEMP NORMAL. ACFT GROUNDED. PERFORMED TROUBLESHOOTING IAW FIM 21-62 TASK 840, AND 21-62 TASK 839. AGAIN ZONE TEMP CONTROLLER 2 FAILED ZONE CABIN SENSOR DURING BITE CHECK. THIS SENSOR HAS BEEN REPLACED. FAULT CLEARED ON VERIFY AND WIRES VERIFIED FROM SENSOR TO RACK. RAN BOTH PACKS AGAIN AND FWD CABIN TEMP REGULATION CONTINUED TO NOT RESPOND. REMOVED AND REPLACED ACAU M1455 IAW AMM TASK 21-51-02-000-801, & 21-551-02-400-801. OPS CHECKED GOOD. PACK RAN AGAIN AND FWD CABIN TEMP WAS NOW ABLE TO COOL AND HEAT NORMALLY.

Part: SENSOR — DIRTY (CABIN TEMP) · airframe 18,237 hrs · 6,032 cycles

DURING THE DESCENT CHECKLIST, WHEN RECALL WAS PUSHED, RECEIVED A FWD CABIN ZONE TEMP LIGHT, EXTINGUISHED ON RESET. ACFT GROUNDED. PERFORMED A BITE CHECK OF THE ZONE TEMP CONTROLLER NR 2, M1143. BITE AND PREVIOUS FLT FAULTED ZONE CABIN SENSOR FAULT, TROUBLESHOT IAW FIM 21-62, TASK 814. VERIFIED THE SENSOR M02847 WAS NOT OPEN OR SHORTED. RESISTANCE CHECKS AT 4.180K OHMS. SENSOR APPEARS FILTHY. REMOVED AND REPLACED FWD PAX CABIN TEMP SENSOR ASSY IAW AMM 21-61-14-400-801. OPS CHECKED THE FWD PASS CABIN TEMP SENSOR IAW AMM 21-61-14-400-801. OPS NORMAL. PERFORMED FIM 21-62 TASK 843, BITE CHECK OF ZTCS. NR 1 HAD A BACKUP ZONE CABIN SENSOR FAULT. ON RESET OF ZTCS, THE FAULT DID NOT RETURN. REPLACED S1076. PERFORMED A RESISTANCE CHECK OF T533. BOTH OPS NORMAL IAW TASK 843. PERFORMED A STBY TEMP CONTROL VALVE TEST, BOTH LEFT AND RIGHT, OPS NORMAL IAW AMM 21-51-11-400-801. OPERATED BOTH LEFT AND RIGHT PACKS WITH NO FAULTS OR CONTROLLABILITY ISSUES. GROUND VERIFICATION GOOD.

Part: FILTER — CLOGGED (TEMP SENSOR) · airframe 18,226 hrs · 6,029 cycles

FWD CABIN ZONE TEMP LIGHT ILLUMINATED WITH RECALL, EXTINGUISHED WHEN MASTER CAUTION RESET. ACFT GROUNDED. RESET WITH MASTER CAUTION. ACCOMPLISHED CABIN TEMP CONTROLLER BITE IAW FIM 21-62 TASK 801. FOUND THE FWD SENSOR FAULT LOGGED. FOUND ALL CABIN AND FLIGHT DECK SENSOR FILTERS BADLY CLOGGED. CLEANED THE FILTERS AND RESET THE FAULT, CABIN TEMP CONTROL OPS NORMAL.

Part: UNKNOWN — UNKNOWN · airframe 18,214 hrs · 6,026 cycles

PASSENGER CABIN EXCESSIVELY HOT WITH CABIN CONTROL KNOBS TURNED TO FULL COLD. ACFT GROUNDED. PERFORMED CABIN TEMPERATURE CONTROL AND INDICATION OPERATIONAL TEST WITH LT, RT, AND BOTH PACKS WITH NO DEFECTES NOTED IAW AMM 21-61-00-700-807-002. ETOPS GROUND VERIFICATION SUCCESSFUL.

Part: WARNING LIGHT — FALSE ACTIVATION (COCKPIT HEAT) · airframe 18,213 hrs · 6,025 cycles

PASSENGER CABIN TEMP EXCESSIVELY HOT. AIR TEMP CONTROL PANEL HAD FOLLOWING INDICATIONS DURING CRUISE FLIGHT. SUPPLY CONT CAB 5 FWD 4 AFT 4PASS CAB FWD 30, AFT 32 PACK : R 30 L 25. ACFT GROUNDED. COMPLIED WITH A LT PACK ZONE TEMP CONTROLLER BITE TEST IAW AMM 21-61-00-700-806-002, NO FAULTS NOTED. RUN APU AND ENGINES LT PACK WORKING NORMALLY, OK FOR SERVICE.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 18,202 hrs · 6,019 cycles

FWD CABIN ZONE TEMP ILLUMINATES WITH MASTER CAUTION RECALL. EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. REVERSED CONFIGURATION CHANGES OF MEL 21-1G OF THE RT PACK REF AMM 21-00-00-040-804. PERFORMED PZTC BITE ON BOTH CONTROLLERS, MULTIPLE TIMES WITH NO DEFECTS NOTED REF AMM 21-61-00-700-806-002. PERFORMED CABIN TEMPERATURE CONTROL AND INDICATION OPERATIONAL TEST WITH LT, RT, AND BOTH PACKS OPERATING WITH NO DEFECTS NOTED REF AMM 21-61-00-700-807-002. CLEARS MEL 21-1G AND 21-19I. RT PACK AIRFLOW SHUTOFF VALVE RETURNED TO NORMAL CONFIGURATION REF AMM 21-00-00-440-801. FWD CARGO HEAT DUCT OPENED REF AMM 21-00-00-040-804. ETOPS GROUND VERIFICATION SUCCESSFUL.

Part: WARNING LIGHT — FALSE ACTIVATION (COCKPIT TEMP) · airframe 18,085 hrs · 5,974 cycles

ON RECALL, CONTROL CABIN ZONE TEMP LIGHT ILLUMINATED. CLEARED WITH MASTER CAUTION RESET. ACFT GROUNDED. PERFORMED A PACK TEMP CONTROL BITE IAW FIM 21-62 TASK 801, NO DISCREPANCIES NOTED WITH ALL FAULTS CLEARED.

Part: SATCOM — MALFUNCTIONED · airframe 17,875 hrs · 5,905 cycles

SATCOM MENU OPTION MISSING. SATCOM LOCKED ON GROUND. ACFT GROUNDED. RAN QRH. SATCOM CORRECTED AND AVAILABLE.

Part: ANTI-ICE VALVE — FAILED (NR 1 ENGINE) · airframe 17,817 hrs · 5,887 cycles

NR 1 ENGINE ANTI-ICE FAILED TO OPEN WHEN COMMANDED. CYCLED SWITCH AND VALVE OPENED ON SECOND ATTEMPT. ACFT GROUNDED. IAW WDM 30-21-11-1, 28 VDC PRESENT AT DP103 PIN 1 WITH NR 1 ENGINE ANTI-ICE ON. REPLACED THE NR 1 ENGINE COWL TAI VALVE IAW AMM 30-21-11. LEAK AND OPS CHECKED GOOD. GROUND VERIFICATION SUCCESSFUL.

Part: ANTI-ICE VALVE — MALFUNCTIONED (NR 1) · airframe 17,791 hrs · 5,878 cycles

DURING DESCENT, THE NR 1 ENGINE ANTI-ICE VALVE DID NOT OPEN. COWL ANTI-ICE VALVES WERE SECURED. A SECOND ATTEMPT WITH ENGINE ANTI-ICE, OPS CHECKED NORMAL. ACFT GROUNDED. RAN THE NR 1 ENGINE, CYCLED THE NR 1 ENGINE ANTI-ICE SWITCH A NUMBER OF TIMES. OPS CHECKED GOOD IAW AMM 30-21-00-710-801. NO HISTORY 30 DAYS.

Part: OIL COOLER — LEAKING (APU) · airframe 17,521 hrs · 5,774 cycles

APU MX BLUE LIGHT ON AND OIL LEVEL FOUND LOW. ACFT GROUNDED. COMPLETED ALL STEPS OF TSR IAW FIM 49-95-801, AND FIM 49-90 / 813, PARA (B) (F). FOUND EVIDENCE OF AN OIL COOLER LEAK. REMOVED AND REPLACED THE OIL COOLER IAW AMM 49-91-41. LEAK CHECKED GOOD.

Part: SENSOR — FAILED (WINOW OVERHEAT) · airframe 17,215 hrs · 5,679 cycles

RIGHT SIDE WINDOW OVERHEAT ILLUMINATED ON DESCENT. ACFT GROUNDED. CONTROL MODULE HAD WINDOW SENSOR FAILURE WHEN CHECKING FAULT HISTORY FOR THE RIGHT WINDOW. SWAPPED SENSOR TERMINAL TO SPARE SENSOR. OPS CHECK GOOD IAW AMM 30-41-00-710-801.

Part: KEYBOARD — DAMAGED (FMC) · airframe 17,077 hrs · 5,637 cycles

FIRST OFFICER`S FMC 5R BUTTON IS INTERMITTENT AND HARD TO SELECT. ACFT GROUNDED. R & R THE FMC CDU KEYBOARD IAW AMM 34-61-01-400-801. ACCOMPLISHED CDU KEYBOARD TEST STEP D IAW AMM 34-61-01. SYS CHECKED NORMAL.

Part: WARNING LIGHT — FALSE ACTIVATION (LT A/C PACK) · airframe 16,732 hrs · 5,527 cycles

CLIMBING THROUGH 14,000 FT, A MASTER CAUTION FOR THE LT PACK ILLUMINATED. TRIP RESET EXTINGUISHED THE LIGHT. ACFT GROUNDED. PERFORMED A NR 1 PACK ZONE TEMPERATURE CONTROLLER BITE TEST IAW AMM 21-61-00-700-806-002. NO FAULTS NOTED. NO HISTORY WITHIN 120 DAYS.

Part: LINK — LOOSE (NR 1 ENGINE) · airframe 16,335 hrs · 5,400 cycles

WHILE ACCOMPLISHING TC 78472000, NR 1 ENGINE UPPER CLEVIS BOLT ROD LINK LOOSE JUST FWD OF PRSOV. ACFT GROUNDED. REPLACED CLEVIS ROD LINK IAW MANUAL 71-00-02.

Part: SIGN — DETACHED (EMERGENCY LIGHTS) · airframe 15,935 hrs · 5,259 cycles

FA REPORTED THE R2 DOOR WHITE EXIT SIGN DETACHED. ACFT GROUNDED. REMOVED AND REPLACED THE LIGHT ASSEMBLY. OPS CHECKED IAW AMM 33-51-00-720-801. OPS GOOD. OK FOR CONTINUED SERVICE.

Part: ANTI-ICE SYSTEM — MALFUNCTIONED (RT WING) · airframe 15,444 hrs · 5,096 cycles

DURING REFUELING, NOTED THE RT WING ANTI-ICE ON WITH SWITCH SELECTED OFF. ACFT GROUNDED. CYCLED WING ANTI-ICE VALVE CIRCUIT BREAKLER ON THE P18-3 PANEL, CYCLED RT WING ANTI-ICE SWITCH, OPS CHECKED NORMAL IAW AMM 30-11-11, NO HISTORY FOR 30 DAYS.

Part: CONTROL VALVE — STUCK (RT TEMP) · airframe 15,346 hrs · 5,062 cycles

RIGHT TCV HAD A RECENT FAULT HISTORY AND CABIN TEMP ISSUES. ACFT GROUNDED. REMOVED AND REPLACED THE RT TEMP CONTROL VALVE IAW AMM 21-51-10/401. PERFORMED BITE TEST IAW AMM 21-51-00-700-803. VALVE FOUND STUCK.

Part: A/C PACK — MALFUNCTIONED (RIGHT) · airframe 15,338 hrs · 5,059 cycles

DURING DECENT, FA'S REPORTED HOT CABIN TEMPS, FOLLOWED QRH 2.7, TURNED OFF RT PACK, CONTINUED DECENT WITH UNCONTROLLABLE TEMP. ACFT GROUNDED. ACCOMPLISHED BITE CHECK OF RT PACK, SHOWED TCV FAULT, FAULT CLEARED IAW FIM 21-62, TASK 801. OPS CHECK OF RT PACK AND TEMP CONTROL NORMAL IAW AMM 21-61-00.

Part: FMC — MALFUNCTIONED (RIGHT) · airframe 15,304 hrs · 5,047 cycles

RIGHT FMC FAILED AT FL340 IN CRUISE FLIGHT. FIRST OFFICER`S VTK AND MAP FLAGS. SYSTEM RECOVERED AFTER 1 MINUTE. SINGLE FMC OPS IN SCRATCH PAD MESSAGE CLEARED. ACFT GROUNDED. PERFORMED FIM 34-61 TASK 807 WITH NO FAULTS NOTED. PERFORMED FMC BITE FIM 34-61-TASK 801. INFLIGHT FAULT SHOWS FMC-R PGM FAULT. INTERMITTENT FAULT. AIRCRAFT OK FOR SERVICE.

Part: A/C PACK — MALFUNCTIONED (NR 2) · airframe 15,063 hrs · 4,969 cycles

DURING CRUISE AT FL360, RIGHT PACK OUTPUT TEMP CLIMBED TO 70C REGARDLESS OF TEMP CONTROL POSITION. IAW QRH, TRIM AIR OFF, RIGHT PACK OFF, PASSENGER CABIN COOLED TO NORMAL TEMP. TURNED PACK ON AGAIN, APPROXIMATELY 1 HOUR LATER, AND DURING DESCENT THROUGH 10,000 FT, WITH SAME RESULTS. ACFT GROUNDED. FIRST BITE OF THE NR 2 PACK/ZONE TEMP CONTROL SHOWED TCV FAULT THIS PACK. FAULT CLEARED DURING BITE OF NR 1 PACK/ZONE TEMP CONTROL. FURTHER BITE OF NR 2 TEMP CONTROL SHOWED NO FAULTS. PERFORMED CABIN TEMP CONTROL AND INDICATION OPS TEST IAW AMM TASK 21-61-00. RT PACK OPS CHECKED NORMAL.

Part: CIRCUIT BREAKER — TRIPPED (CABIN TEMP) · airframe 14,924 hrs · 4,928 cycles

FOUND CIRCUIT BREAKER TRIPPED, AFT PAX ZONE TEMP DUCT OVERHEAT. ACFT GROUNDED. RESET THE CIRCUIT BREAKER IAW AMM 20-60-01. PERFORMED A PACK/ZONE TEMP CONTROLLER BITE TEST IAW AMM 21-61-00 AND ALL OPS CHECKED GOOD, NO CURRENT FAULT, NO HISTORY 30 DAYS.

Part: WIRE HARNESS — DAMAGED (NR 1 FIRE LOOP A) · airframe 14,891 hrs · 4,915 cycles

WHILE WORKING ON RIGHT ENGINE B LOOP MEL, FOUND CORE FIRE DETECTION HARNESS MW0325 FOR LOOP A DAMAGED AT 3 O`CLOCK POSITION RIGHT SIDE. GROUNDED - YES. REMOVED AND REPLACED MW0325 LOOP A REF B737-900 AMM 26-11-02. OPS CKS GOOD. PERFORMED ALTERNATE DEACTIVATION PROCEDURES ACCOMPLISHED PER MPM 05-07-01 TABLE 3 ITEM 1.

Part: WIRE HARNESS — NO TEST (FIRE LOOP) · airframe 14,866 hrs · 4,906 cycles

ENGINE B LOOP INOPERATIVE. ACFT GROUNDED. REMOVED AND REPLACED THE CORE FIRE DETECTION HARNESS MW0326 IAW AMM 26-11-02-000-802, AND AMM TASK 26-11-02-400-802. OPS CHECKED GOOD.

Part: SWITCHPACK — FAILED (AUTOTHROTTLE) · airframe 14,714 hrs · 4,852 cycles

PSEU LIGHT ILLUMINATED. ACFT GROUNDED. TRA LT 53 FAULT CODE 31-52002 FOUND ON PSEU. CONFIRMED STATUS OF D10982 PIN 42 WOULD NOT CHANGE WITH THRUST LEVER MOVEMENT AS REQUIRED IAW FIM 32-09, TASK 815. REPLACED THE LT AUTOTHROTTLE SWITCH PACK M1766 AND AJUSTED IAW AMM 76-11-07. OPS NORMAL IAW AMM 76-11-07, 32-09-10, 32-42-00, 78-31-00, 30-11-00, 31-51-00, & 34-43-00. REPAIR CONFIRMATION OF FIM 32-09T815 CHECKED NORMAL.

Part: WARNING LIGHT — FALSE ACTIVATION (RT A/C PACK) · airframe 14,702 hrs · 4,849 cycles

AFTER RECALL, RECEIVED A MASTER CAUTION FOR THE RT PACK, EXTINGUISHED ON RESET. ACFT GROUNDED. PERFORMED FIM 21-53 ,TASK 804, RIGHT PACK LIGHT ON DURING GROUND OPS & STAYS OFF AFTER RESET. CHECKED GOOD. OPS NORMAL. NO HISTORY IN 30 DAYS.

Part: PRESSURE SWITCH — FAILED (PAX OXYGEN) · airframe 14,545 hrs · 4,801 cycles

DURING PASSENGER OXYGEN TEST, ALTITUDE PRESSURE RELEASED AT 13,000 FT IAW AMM 35-22-00-700-801, SHOULD RELEASE AT 14,000 FT PLUS OR MINUS 350 FT. ACFT GROUNDED. REMOVED AND REPLACED PRESSURE SWITCH AND INSTALLATION TESTED GOOD IAW AMM 35-22-41.

Part: CHANNEL — CORRODED (BS 500B-500G) · corrosion level 2 · airframe 14,545 hrs · 4,801 cycles

FWD CARGO COMPARTMENT LH TRANSITION PANEL HAS SEVERAL AREAS OF CORROSION FROM STA 500D TO 500G+12. ACFT GROUNDED. REMOVED AND REINSTALLED FLOOR PANEL 120EF IAW AMM 25-52-10. REMOVED CORROSION ON LT TRANSITION PANEL AND FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53. FABRICATED A NEW TRANSITION PANEL SECTION IAW SRM 53-00-53-2R-6, REPAIR 6. ALODINED AND PRIMED NEW REPAIR SECTION IAW SRM 51-20-01. INSTALLED NEW TRANSITION PANEL REPAIR SECTION IAW SRM 53-00-53-2R-6 REPAIR 6 G0879533.

Part: CHANNEL — CORRODED (BS 500F-500I) · corrosion level 2 · airframe 14,545 hrs · 4,801 cycles

FWD CARGO BAY RT TRANSITION PANEL HAS SEVERAL AREAS OF CORROSION FROM BS 500D - 500G+12. ACFT GROUNDED. REMOVED CORROSION AND TREATED IAW AMM 51-05-01. REMOVED TRANSITION PANEL. FABRICATED A NEW PANEL, INSTALLED AND APPLIED PROTECTIVE COATINGS IAW SRM 5-00-53-2R-5, REPAIR 5. CORROSION REMOVED WAS FOUND TO BE WITHIN LIMITS.

Part: RADAR — MALFUNCTIONED (WX SYSTEM) · airframe 14,376 hrs · 4,751 cycles

CAPTAIN'S WEATHER RADAR DEPICTING WEATHER WHEN THERE IS NO WEATHER. ACFT GROUNDED. ACCOMPLISHED WEATHER GROUND VERIFICATION TEST IAW AMM 34-43-00, TEST PASSED.

Part: SENSOR — INTERMITTENT (ENG N1 SPEED) · airframe 14,203 hrs · 4,694 cycles

NR 2 ENGINE ACMS DATA SHOWS INTERMITTENT N2 VALUES FROM OIP REPORT 7. TAKEOFF AND CRUISE ACMS REPORTS SHOW NORMAL PARAMETERS. ACFT GROUNDED. REPLACED THE N2 SPEED SENSOR ON THE NR 2 ENGINE IAW AMM 77-11-01. ENGINE IDLE LEAK CHECKED GOOD AND BITE CHECK SHOWED NO FAULTS.

Part: SENSOR — DEFECTIVE (L1 WINDOW) · airframe 14,009 hrs · 4,640 cycles

LEFT FORWARD WINDOW OVERHEAT LIGHT ILLUMINATED. RAN QRH AND LIGHT STAYED ON. GROUNDED - YES. REF FIM 30-41 TASK 812. WINDOW SENSOR FAULT. CONFIRMED LEFT FWD FAULT. WHCU M321 SHOWS SENSOR FAULT OF PRIMARY SENSOR. MOVED SENSOR SELECT SWITCH FROM THE PRIMARY TO SECONDARY POSITION. OPS TEST GOOD.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 13,686 hrs · 4,533 cycles

AFTER ENGINE START RIGHT PACK LIGHT CAME ON UPON RECALL. PACK LIGHT WENT OUT UPON MASTER CAUTION RESET. GROUNDED - YES. COULD NOT DUPLICATE MALFUNCTION. NO FAULTS LOGGED ON EITHER PZTC. BOTH PZTC BITE CHECK NORMAL, REF AMM 21-61-20-400-801.

Part: SERVO — FAULTY (AUTOTHROTTLE SYS) · airframe 12,952 hrs · 4,273 cycles

AUTO THROTTLES FAILED ON TAKEOFF. WOULD RE-ENGAGE, BUT THEN CLICK OFF AS THE THROTTLE TRIES TO MOVE. GROUNDED - YES. CONFIRMED FAULT, A/T FLIGHT FAULT REVIEW SHOWS MSG 22-31688 (1) ASM2 CH-A SPD RATE MONITOR (2) ASM2 CH-A N1 RATE MONITOR, & (3) ASM2 CH-A ARM RATE MONITOR. REMOVED & REPLACED NR 2 A/T SERVO MOTOR REF AMM TASK 22-31-91, OPS CK NML. ALSO, ACCOMPLISHED FIM 22-11 TASK 802 (GP43) LRU REPLACEMENT TEST FOR A/T, OPS CK NML. THIS CLOSES MEL 22-4B. NO SPECIAL MEL PROCEDURES TO REVERSE.

Part: FMC — FAILED (FIRST OFFICER'S) · airframe 12,943 hrs · 4,269 cycles

FO FMC FAILED. RAN QRH, OPS NORMAL. GROUNDED. ACCOMPLISHED FMC SYSTEM BITE IAW FIM 34-61 TASK 801. NO FAULTS PRESENT & NO INFLIGHT FAULTS. SUSPECT FMC NUISANCE ERROR IAW AMM 34-61-00-860-801.

Part: AUTOTHROTTLE SYS — MALFUNCTIONED · airframe 12,914 hrs · 4,260 cycles

AUTO THROTTLE DISENGAGED AND WOULD NOT STAY ENGAGED WHEN SELECTED. ACFT GROUNDED. UNABLE TO DUPLICATE/VERIFY DISCREPANCY. PERFORMED FIM 22-31 TASK 801. AUTOTHROTTLE FLIGHT FAULT REVIEW SHOWED ASM-2 RATE MONITOR FAULT. PERFORMED FIM 22-31 TASK 805, NUMEROUS CURRENT STATUS AND SERVO MOTOR TESTS GOOD.

Part: FMC — MALFUNCTIONED · airframe 12,645 hrs · 4,160 cycles

PILOT REPORTED ON TOUCHDOWN, ALL ROUTE DATA IS REMOVED FROM FMCS. ACFT GROUNDED. IAW AMM 24-61-00-860-801. THIS IS CONSIDERED A FLIGHT OPERATION NORMAL, NUISANCE CONDITION WITH FMC OPS U11.0 SOFTWARE.

Part: FMC — FAILED (NR 1) · airframe 12,613 hrs · 4,151 cycles

LT FMC APPEARS FAILED. FMC MENU DISSAPPEARS AND REAPPEARS ABOUT 1 MINUTE LATER THEN DISAPPERAS AGAIN. VTK APPEARS ON LT NAV DISPLAY. ACFT GROUNDED. REPLACED THE NR 1 FMC COMPUTER IAW AMM 34-61-02-000-801. OPS CHECKED NORMAL IAW AMM 34-61-00/26. AFTER SEVERAL MINUTES MAP FLAG APPEARS ON F/O SIDE. MOVED FMC TRANSFER SWITCH TO BOTH ON RIGHT. FLAG CLEARS. RE-ENTERED LEFT FMC PERFORMANCE FACTORS IAW AMM 34-61-00. OPS CHECKED NORMAL.

Part: WINDOW — FAULTY (COCKPIT) · airframe 12,294 hrs · 4,036 cycles

FOLLOW-UP TO RECENT HISTORY OF L2 WINDOW OVERHEAT REPORTS. GROUNDED - YES. REMOVED L2 WINDOW PER AMM 56-12-11-000-801. HEATER TAP CHECK FOR A H15, REF WDM 30-41-12. INSTALLED NEW L2 WINDOW PER AMM 56-12-11-400-801. RIG AND OPS CHECK GOOD.

Part: SWITCHPACK — FAILED (CONTROL STAND) · airframe 12,496 hrs · 4,114 cycles

PSEU LIGHT ILLUMINATED AFTER BOTH ENGINES WERE STARTED AND RECALL WAS CHECKED. ACFT GROUNDED. PSEU LOGGED TRA L LT 53 FAULT 31-52002 . LT THROTTLE TAKEOFF WARNING WAS INTERMITTENT WHEN TESTED. REMOVED AND REPLACED LEFT AUTOTHROTTLE SWITCHPACK ASSEMBLY M1766 IAW AMM 76-11-07. OPS TESTED NORMAL.

Part: WARNING LIGHT — ILLUMINATED · airframe 12,292 hrs · 4,034 cycles

PSEU LIGHT ILLUMINATED. ACFT GROUNDED. PERFORMED PSEU BITE FOUND FAULT CODE 31-52002. IAW FIM 32-09 TASK 815, FOUND NO GROUND AT PIN 42. CYCLED AIRCRAFT POWER, PERFORMED PSEU BITE, ALL MAINTENANCE MESSAGE CLEARED AND PSEU LIGHT IS OUT.

Part: PUMP — FAILED (FUEL BOOST) · airframe 12,265 hrs · 4,023 cycles

DURING PREFLIGHT, LEFT MAIN FWD FUEL PUMP LOW PRESSURE LIGHT REMAINED ILLUMINATED WHEN SWITCH TURNED ON. ACFT GROUNDED. REMOVED AND REPLACED LEFT MAIN FWD BOOST PUMP IAW AMM 28-22-41. OPS CHECK GOOD IAW AMM 28-22-41.

Part: WIRE HARNESS — DAMAGED (NR 2 NACELLE) · airframe 11,952 hrs · 3,921 cycles

RIGHT ENGINE INSPECTION FOUND NR 2 ENGINE CORE DETECTION MW0326 HARNESS INSULATIONS ARE MISSING. ACFT GROUNDED. REMOVED AND REPLACED THE WIRE HARNESS IAW AMM 26-11-02. ENGINE FIRE DETECTOR OPS TESTED NORMAL IAW AMM 26-11-00.

Part: WIRE HARNESS — DAMAGED (NR 1 FIRE DETECT) · airframe 11,753 hrs · 3,847 cycles

WHILE PERFORMING TASK CARD N8420000, FOUND THE NR 1 ENGINE CORE FIRE DETECTION HARNESS MW0326 BRADED SHIELDING BROKEN. ACFT GROUNDED. REMOVED AND REPLACED NR 1 ENGINE FIRE DETECTION HARNESS IAW AMM 26-11-02. OPS CHECKED GOOD.

Part: KEYBOARD — DEFECTIVE (COCKPIT) · airframe 11,348 hrs · 3,705 cycles

CAPTAIN`S FMC TOUCHPAD, NEXT PAGE, BUTTON STICKING DOWN WITH NO REBOUND. RESULTING IN FREEZING THE FMC PAGE. ACFT GROUNDED. R & R CAPTAIN'S FMC`S CDU KEY PAD AND OPS NORMAL IAW AMM 34-61-01.

Part: SENSOR — FAILED (L2 WINDOW) · airframe 11,209 hrs · 3,660 cycles

LEFT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED ON LANDING. TURNED SWITCH OFF, WAITED 10 MINUTES, SWITCH ON AND LIGHT ILLUMINATED. ACFT GROUNDED. RESISTANCE CHECKED AT L2 WINDOW SHOWS OPEN FOR PRIMARY SENSOR. MOVED TERMINAL TO SPARE SENSOR, RESISTANCE CHECKED GOOD. WINDOW HEAT OPS TEST PASSED IAW AMM 30-41-21 & 30-41-00.

Part: LENS — MISSING (CABIN) · airframe 11,165 hrs · 3,649 cycles

EMERGENCY LIGHT COVER 8ABC MISSING. ACFT GROUNDED. REPLACED MISSING LENS COVER, REF AMM 33-51-03. OK FOR SERVICE.

Part: FMC — FAILED (RIGHT) · airframe 11,016 hrs · 3,597 cycles

FMC P/RST ANNUNCIATOR LIGHT ILLUMINATED FOLLOW BY CAPTIANS VTR AND MAP FAILURE FLAG CDUS WENT TO MENU WITHOUT FMC LINE L-1. RESTORED NORMAL DISPLAYS WITH FMC SWITCH BOTH ON RT. ACFT GROUNDED. REPLACED LEFT FMC IAW AMM 34-61-02. OPS CHECKED GOOD.

Part: SHIM — WORN (NR 2 ENGINE) · airframe 10,876 hrs · 3,559 cycles

24 BLADE SHIMS WORN. ACFT GROUNDED. REMOVED AND REPLACED THE BLADE SHIMS IAW TC 78472002.

Part: SHIM — WORN (#1 ENGINE) · airframe 10,838 hrs · 3,545 cycles

FAN BLADE SHIMS REQUIRE REPLACEMENT. 24 EACH REQUIRED. ACFT GROUNDED. REPLACED FAN BLADE SHIMS IAW T/C 78472002.

Part: WIRE HARNESS — FAILED (APU) · airframe 10,808 hrs · 3,532 cycles

DURING APU BITE 49-60 TASK 801 CURRENT STATUS MESSAGE SHOWS. 49-71147 EGT 1 THERMOCOUPLE SHOWS OPEN CIRCUIT. ACFT GROUNDED. REMOVED AND REPLACED APU WIRING HARNESS IAW AMM 49-11-01-400-802, AND NR 1 EGT THERMOCOUPLE IAW AMM 49-71-21. APU OPERATIONAL TEST AND BITE TEST GOOD, WITH NO CURRENT FAULTS NOTED.

Part: ELECTRONIC UNIT — FAILED (E&E BAY) · airframe 10,722 hrs · 3,502 cycles

SATCOMS 1 AND 2 COULD DIAL AND RECEIVE DISPATCH COMMUNICATION, BUT COULD NOT TRANSMIT SUCCESSFULLY. ACCOMPLISHED QRH FOR POSSIBLE LOCKUP ISSUE, DID NOT FIX THE PROBLEM. ACFT GROUNDED. ACFT CHECKED & RELEASED IAW MEL 23-18, SATCOM 1 & 2 INOPERATIVE. R & R REU IAW AMM 23-51-01. OPS CHECK NORMAL. PERFORMED OPS CHECK OF SATCOM SYS IAW AMM 23-15-00-730-801. OPS CHECK NORMAL. MEL 23-18 CLEARED.

Part: THERMOCOUPLE — MALFUNCTIONED (NR 1) · airframe 10,708 hrs · 3,499 cycles

INTERMITTENT APU BLUE MAINT LIGHT. ACFT GROUNDED. REPLACED NR 1 AND 2 EGT THERMOCOUPLE IAW AMM 49-71-21. OPS CHECKED OK.

Part: THERMOCOUPLE — FAILED (APU) · airframe 10,708 hrs · 3,499 cycles

ON ENGINE START N2 DID NOT INCREASE ABOVE 18 - 20 % NR 2 THAN NR 1 ENGINE. ACFT GROUNDED. REPLACED NR 1 AND 2 EGT THERMOCOUPLE IAW AMM 49-71-21. OPS CHECKED OK.

Part: SATCOM — MALFUNCTIONED · airframe 10,267 hrs · 3,354 cycles

SATCOM INOPERATIVE, CAN CALL OUT AND RECEIVE CALLS. HOWEVER, RECEIVING STATION CANNOT HEAR OUR OUTGOING TRANSMISSIONS. THERE IS AN ECHO WHEN TRANSMITTING. CONDITION OCCURS ON BOTH SAT 1 AND SAT 2. ACFT GROUNDED. COULD NOT DUPLICATE, NO HISTORY 30 DAYS. ACCOMPLISHED SATCOM SYSTEM 1 & 2 VOICE TEST IAW AMM 23-15-00-730-801, TEST PASSED.

Part: WARNING LIGHT — FALSE ACTIVATION (RT A/C PACK) · airframe 10,240 hrs · 3,343 cycles

RT PACK CAME ON DURING DESCENT FOLLOWED QRH AND IT REMAINED ILLUMINATED. TURN OFF DURING TAXI TO THE GATE. ACFT GROUNDED. ACCOMPLISHED PACK TEMP CONTROL BITE PROCEDURE ON NR 2 CONTROLLER, NO FAULTS NOTED, SYS PASSED. PERFORMED RAM AIR ACTUATOR TEST, NO FAULTS NOTED, REF FIM 21-62, TASK 801. NO HISTORY IN 30 DAYS GROUND VERIFICATION TEST GOOD, REF FIM 21-62.

Part: PRESSURE SWITCH — FAILED (APU) · airframe 10,034 hrs · 3,279 cycles

APU ON LINE, SUPPLYING POWER, APU DROPPED OFF LINE NO ELECTRICAL POWER, FAULT LIGHT ILLUMINATED. ACFT GROUNDED. INTERROGATED FMC AND FOUND APU FAULT CODE 49-94299 STARTER GENERATOR OIL FILTER CLOGGED". ACFT CHECKED AND RELEASED IAW MEL 49-1B, APU INOPERATIVE, NO DEFECTS NOTED ON TAIL CONE. ACCOMPLISHED FIM TASK 49-90, TASK 809, STEPS 1 THRU 4, NO CONTAMINATION FOUND IN MAGNETIC DRAIN PLUG. R & R OIL FILTER REF AMM 49-91-12 NO CONTAMINATION FOUND IN USED FILTER. FOUND BAD FILTER BYPASS SWITCH, R & R FILTER BYPASS SWITCH REF AMM 49-91-13, CDU BITE CHECK LOGS NO CURRENT FAULTS. LEAK CHECK ON FILTER, DRAIN PLUG, AND BYPASS SWITCH GOOD. THIS CLEAR MEL 49-IB.

Part: FMC — MALFUNCTIONED · airframe 9,930 hrs · 3,243 cycles

CAPTAIN FMC FAILURE VTK AND MAP INDICATION BOTH FMC BLANK IN CDU. WITHIN 30 SECONDS FMC RESET AND WORKED NORMALLY DURATION OF FLIGHT. ACFT GROUNDED. ACCOMPLISHED FMC BITE PROCEDURE IAW AMM TASK 34-61, TASK 801. NO FAULTS FOUND. GROUND CHECKS GOOD.

Part: SERVO — INOPERATIVE (AUTOTHROTTLE) · airframe 9,685 hrs · 3,167 cycles

AUTOTHROTTLES INOPERATIVE. ACFT GROUNDED. ASM 2 FAULT IN FLT FAULT REVIEW. R & R NR 2 AUTOTHROTTLE SERVO MOTOR IAW AMM 22-31-91. INSTALLATION TEST NORMAL.

Part: WARNING LIGHT — ILLUMINATED · airframe 9,520 hrs · 3,116 cycles

ELECTRIC LIGHT ON. ACFT GROUNDED. ACCOMPLISHED FIM 24-31, TASK 801, SPCU FAULT LOGGED. CLEARED AND RESET. BITE TEST OK REF FIM 24-34, TASK 802.

Part: CONTROL VALVE — MALFUNCTIONED (RT A/C PACK) · airframe 9,491 hrs · 3,106 cycles

RIGHT PACK LIGHT ILLUMINATED ON RECALL. LIGHT EXTINGUISHED WHEN MASTER CAUTION RESET. ACFT GROUNDED. R & R RT FLOW CONTROL AND SHUTOFF VALVE IAW AMM 21-51-01, OPS TEST GOOD, RT PACK LIGHT STAYS OFF WHEN RECALL PUSHED. NO OTHER DEFECTS NOTED.

Part: AUTOTHROTTLE SYS — MALFUNCTIONED · airframe 9,493 hrs · 3,107 cycles

AUTOTHROTTLE DISENGAGED IN FLIGHT. C/B TRIPPED. ACFT GROUNDED. RESET C/B REF AMM 20-60-01. ACCOMPLISHED A/T SYS TEST IAW AMM TASK 22-31-00 AND ALL TEST OPS CHECK GOOD. DFCS LRU TEST FOR DFCS/AT OPS CHECK GOOD, REF AMM 22-11-00. HGS SENSOR TEST FOR FCC/A/T OPS CHECK GOOD, REF AMM 34-36-00.

Part: SENSOR — FAILED (RAM AIR) · airframe 9,427 hrs · 3,086 cycles

FOLLOW-UP TO HISTORY OF RT RAM AIR FULL OPEN LIGHT REMAINING ON DURING FLIGHT. ACFT GROUNDED. ACCOMPLISHED STEPS 6 AND 7 IAW FIM 21-51, TASK 803 & RT RAM AIR SENSOR T482 REPLACED IAW AMM 21-51-50, ALL OPS NORMAL. NO DEFECTS OR FAULTS FOUND. AIR/GROUND OVERRIDE PREP AND SENSOR REPLACEMENT.

Part: ACTUATOR — FAILED (RAM AIR EXHAUST) · airframe 9,422 hrs · 3,085 cycles

BLUE RAM DOOR FULL OPEN LIGHT WAS ILLUMINATED FOR THE ENTIRE FLIGHT. ACFT GROUNDED. R & R THE RT RAM AIR EXHAUST ACTUATOR, IAW AMM 21-51-27/401. OPS AND BITE CHECKED GOOD.

Part: FILTER — CLOGGED (TEMP SENSOR) · airframe 9,329 hrs · 3,058 cycles

CABIN TEMP AT AROUND ROW 11 BECAME VERY HOT, PAX MOVING AWAY FROM HEAT. REST OF CABIN TEMP GOOD. PILOTS FOLLOWED QRH TURNED TRIM AIR SWITCH OFF. CABIN TEMP RETURNED TO NORMAL AT ROW 11 AND ENTIRE CABIN WAS COMFORTABLE TEMP. GROUNDED - YES. FOUND BOTH CABIN TEMP SENSOR FILTERS COMPLETELY CLOGGED. CLEANED BOTH CABIN TEMP SENSOR FILTERS REF B737-900 AMM 21-61-06-100-801. TURNED TRIM AIR SWITCH BACK ON. RAN PACKS & NO CABIN TEMP ANOMALIES NOTED. OPS CHECK OK. NO AUDIBLE DUCT AIR LEAKAGE/WHISTLING NOTED DURING PACK OPERATION.

Part: WARNING LIGHT — FALSE ACTIVATION (RAM AIR DOOR) · airframe 9,279 hrs · 3,044 cycles

RIGHT RAM DOOR FULL OPEN LIGHT DID NOT GO OUT AND REMAINED ON ENTIRE FLIGHT. ACFT GROUNDED. CHECKED AND RELEASED ACFT IAW MEL 21-5D, RT RAM AIR DOOR INOPERATIVE. FOLLOWED FIM 21-51, TASK 803 THROUGH STEP G, 11, E. BITE CHECK & OPS CHECKS GOOD. RAM AIR DOOR FULL OPEN LIGHT EXTINGUISHED IN AIR MODE.

Part: SATCOM — FAILED · airframe 9,047 hrs · 2,963 cycles

SATCOM FAIL DURING POWER TRANSFER. ACFT GROUNDED. ACCOMPLISHED SATCOM RESET PROCEDURES IAW QRH. OPS CHECK NORMAL.

Part: SATCOM — LOCKED · airframe 8,996 hrs · 2,943 cycles

SATCOM LOCKUP GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. SATCOM RESTORED NORMAL.

Part: SATCOM — LOCKED · airframe 9,009 hrs · 2,948 cycles

SATCOM LOCKUP, ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. SATCOM RESTORED NORMAL.

Part: SATCOM — LOCKED · airframe 8,996 hrs · 2,943 cycles

SATCOM LOCK-UP. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. THE SAT PROMPT REAPPEARED ON THE MCDU MENU PAGE.

Part: SATCOM — MALFUNCTIONED · airframe 8,975 hrs · 2,936 cycles

NO SATCOM PROMPT ON MCDU. ACFT GROUNDED. ACCOMPLISHED SATCOM RESET PROCEDURES IAW QRH. SATCOM OPS NORMAL.

Part: SATCOM — LOCKED · airframe 8,941 hrs · 2,926 cycles

SATCOM LOCK-UP. ACFT GROUNDED. PULLED AND RESET C/B. NORMAL OPS STORED.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 8,924 hrs · 2,921 cycles

FMC DISAGREE ON THE GROUND. ACFT GROUNDED. ACCOMPLISHED FMC RESET IAW QRH PROCEDURES. FMCS RESTORED NORMAL.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 8,872 hrs · 2,908 cycles

FMC DISAGREE MESSAGE RECEIVED AFTER PUSHBACK. QRH PROCEDURES FOLLOWED AND SYSTEM RESET PRIOR TO DEPARTURE. ACFT GROUNDED. PERFORMED FIM TASK 34-61, TASK 835, NO FAULTS FOUND.

Part: WARNING LIGHT — FALSE ACTIVATION (RT A/C PACK) · airframe 8,807 hrs · 2,886 cycles

RIGHT PACK LIGHT ILLUMINATED ON MASTER CAUTION RECALL. ACFT GROUNDED. SUSPECT THIS TO BE A NUISANCE FAULT DUE TO APPLICATION OF MEL 21-5D. ACCOMPLISHED ZONE TEMP CONTROLLER BITE REF AMM 21-61-00, NO FAULTS FOUND.

Part: SATCOM — LOCKED · airframe 8,788 hrs · 2,881 cycles

SATCOM LOCKUP, ACFT GROUNDED. QRH RESTORED NORMAL OPERATION OF SATCOM REF FIM 23-15, TASK 801.

Part: WARNING MESSAGE — ILLUMINATED (RAM AIR DOOR) · airframe 8,770 hrs · 2,875 cycles

NR 2 RAM DOOR FULL OPEN LIGHT ANNUNCIATOR REMAINED ON DURING FLIGHT. ACFT GROUNDED. -INSTALLED INLET & EXHAUST RAM AIR ACTUATORS. ACCOMPLISHED FIM 21-51, TASK 803 THROUGH STEP G. 11, NO FAULTS FOUND. INTERMITTENT FAULT. GROUND VERIFICATION OF ETOPS SIGNIFICANT SYS SUCCESSFUL.

Part: FMC — FAILED (RIGHT) · airframe 8,780 hrs · 2,877 cycles

RIGHT FMC FAILED, RAN QRH CONTINUED WITH FMC BOTH ON LT. ACFT GROUNDED. VERIFIED - PERFORMED FIM 34-61, TASK 836. RIGHT FMC, RESTORED AND OPS NORMAL REF SAME FIM.

Part: CONTROL VALVE — FAILED (LT A/C PACK) · airframe 8,693 hrs · 2,849 cycles

LEFT PACK LIGHT ILLUMINATES ON RECALL, GOES OUT WITH MASTER CAUTON RESET. ACFT GROUNDED. PERFORMED PACK TEMP CONTROL BITE PROCEDURE REF FIM 21-62, TASK 801, MAINTENANCE MESSAGE, THIS PACK TCV - MESSAGE SHOWED ON LT CONTROLLER. R & R LT TEMP CONTROL VALVE REF B737-900 AMM 21-51-10, OPS CHECK GOOD.

Part: ACTUATOR — MALFUNCTIONED (RT RAM AIR) · airframe 8,635 hrs · 2,834 cycles

RIGHT PACK LIGHT ILLUMINATES ON RECALL, GOES OUT WITH MASTER CAUTION RESET. ACFT GROUNDED. REPLACED RT PACK RAM AIR EXHAUST ACTUATOR REF AMM 21-51-27, OPS CHECK GOOD.

Part: WARNING LIGHT — FALSE ACTIVATION (A/C PACK) · airframe 8,635 hrs · 2,834 cycles

ON TAXI IN FOUND RIGHT AIR CONDITIONING "PACK" LIGHT ILLUMINATED. ACFT GROUNDED. PERFORMED PACK TEMP CONTROL BITE CHECK ON NR 1 AND NR 2 PACK IAW FIM 21-62-00-810-801. NO FAULTS, ALL TEST PASS.

Part: WARNING LIGHT — FALSE ACTIVATION (RT A/C PACK) · airframe 8,629 hrs · 2,833 cycles

RT PACK CAUTION LIGHT ILLUMINATED DURING CRUISE. 32,000 AND 40 PSI DUCT PRESSURE, RT PACK CAUTION DID NOT EXTINGUISH AFTER SYSTEM RESET. ACFT GROUNDED. PERFORMED FIM TASK 21-62, TASK 854, STEP E. MAINTENANCE MESSAGE SHOWN FOR RAM AIR EXIT. EXAMINED RAM AIR EXIT ACTUATORS, 28 VOLTS DC BETWEEN PINS 4 & 16, GREEN N2 LRU FAULT ON. PERFORMED REPAIR CONFIRMATION PER STEP 6 AND NO FAULTS NOTED. PERFORMED AMM TASK 21-51-00-730-801 AND NO FAULTS NOTED. PACK OPERATES NORMALLY WITH NO FAULTS NOTED.

Part: SATCOM — LOCKED · airframe 8,629 hrs · 2,833 cycles

SATCOM LOCK UP GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. SATCOM RESTORED NORMAL.

Part: WARNING LIGHT — FALSE ACTIVATION (CABIN TEMP) · airframe 8,489 hrs · 2,790 cycles

ON LANDING LT & RT PACK LIGHT ILLUMINATED BOTH EXTINGUISHED APPROXIMATELY AFTER 1 MINUTE PUSHING MASTER CAUTION RECALL BOTH LIGHTS RE-ILLUMINATED. ACFT GROUNDED. PERFORMED BITE TEST PACK/ZONE TEMP CONTROLLERS IAW FIM 21-62-801, NR 1 CONTROLLER SHOWS RAM AIR INTAKE FAULT. REF MEL 21-5D, OPS PROCEDURE NOTE 1. BITE TEST NR 2 CONTROLLER NO FAULT, OK TO CONTINUE.

Part: WARNING LIGHT — ILLUMINATED (LT A/C PACK) · airframe 8,469 hrs · 2,785 cycles

LEFT PACK LIGHT ILLUMINATED ON CLIMB AT FL240. ACCOMPLISHED QRH AND LIGHT EXTINGUISHED, CONTINUED CLIMB. PACK LIGHT ILLUMINATED AT FL 257. AGAIN, ACCOMPLISHED QRH AND SELECTED LT PACK OFF. LEFT RAM AIR LIGHT INDICATED FULL OPEN ON CLIMB. ACFT GROUNDED. ON DEFERRAL.

Part: WARNING LIGHT — FALSE ACTIVATION (LT A/C PACK) · airframe 8,465 hrs · 2,784 cycles

LEFT PACK LIGHT ILLUMINATED ON CLIMBOUT AT ALMOST 8000 FT, TRIP RESET PROCEDURE RESET PACK LIGHT. LEFT PACK LIGHT CAME ON AGAIN AT 16,000 FT. ACFT GROUNDED. PACK RESET. PERFORMED FIM 21-53, TASK 817, LT PACK LIGHT ON. PERFORMED PACK CONTROL BITE CHECK WITH REF TO FIM 21-62, TASK 801, TCV FAULTED. RESET CONTROL AND PERFORMED BITE OF CONTROLLER REF FIM 21-62, TASK 801. PERFORMED GENERAL VISUAL OF LEFT PACK FOR LEAKS AND OPS CHECK. NO DEFECTS NOTED LT PACK, OPS NORMAL.

Part: ACTUATOR — FAILED (RAM AIR DOOR) · airframe 8,428 hrs · 2,767 cycles

LEFT SIDE, RAM DOOR FULL OPEN, LIGHT IS ON DURING CRUISE FLIGHT AT FL 300 AND FL340. LIGHT REMAINED ON DURING DESCENT. ACFT GROUNDED. ACCOMPLISHED PACK TEMP CONTROL BITE REF FIM 21-62, TASK 801. R & R LT RAM AIR EXHAUST ACTUATOR REF AMM 21-51-27. OPS TEST NORMAL.

Part: WARNING LIGHT — FALSE ACTIVATION · airframe 8,232 hrs · 2,702 cycles

AT CRUISE ALT, FL 340, WITH L NAV & V NAV ENGAGED THE ACFT DROPPED INTO "CWSR" AND ALT HOLD. BOTH FMC DISPLAYS WENT INTO "MENU" DISPLAYS. THERE WERE NO OTHER FMC/NAV CAUTIONS OR LIGHTS PRESENT. SYSTEM WAS RESTORED TO NORMAL OPS. ACFT GROUNDED. ACCOMPLISHED DFCS BITE IAW FIM 22-11, TASK 801, FLT LEG 1 ON A SIDE LOGGED 3 EA 22-11071 AND 22-11822, B SIDE, NO FAULTS. ACCOMPLISHED FIM 22-11, TASK 811 FMC PROBLEM CURRENT STATUS PASSED. ACCOMPLISHED FMC BITE PROCEDURE REF FIM 34-61, TASK 801 BOTH FMC'S PASSED, NO FAULTS LOGGED. ALL GROUND TESTS PASSED.

Part: WARNING LIGHT — FALSE ACTIVATION (RAM AIR DOOR) · airframe 8,170 hrs · 2,676 cycles

AT CRUISE ALTITUDE, BLUE "RAM AIR DOOR FULL OPEN" LIGHT STAYED ILLUMINATED. ACFT GROUNDED. FAULT CODE 215-160-00. PERFORMED BITE TEST OF PACK TEMP CONTROLLER, REF FIM 21-62, TASK 801. NO DEFECTS OR FAULTS LOGGED. PERFORMED FIM 21-51, TASK 803, NO DEFECTS NOTED. INSPECTED RAM AIR INLET AND EXHAUST FOR DEBRIS, NONE FOUND. INSPECTED RAM AIR INLET ACTUATOR, NO RED FAULT LIGHTS, ONLY GREEN LIGHT ILLUMINATED. IN AIR MODE, FLAPS RETRACTED BLUE "RAM AIR DOOR FULL OPEN" LIGHT EXTINGUISHES.

Part: SATCOM — LOCKED · airframe 8,132 hrs · 2,668 cycles

SATCOM LOCK UP ON THE GROUND. ACFT GROUNDED. ACCOMPLISHED QRH RESET PROCEDURE. SATCOM RESTORED NORMAL

Part: CONTROLLER — FAILED (E&E COMPT) · airframe 8,050 hrs · 2,634 cycles

UPON RECALL RT PACK LIGHT ILLUMINATED ALONG WITH CONTROLLER CAB AND FWD CAB ZONE TEMP LIGHTS. QRH ACCOMPLISHED. PACK LIGHT & ZONE TEMP WOULD NOT EXTINGUISH. ACFT GROUNDED. FOUND NR 2 ZONE TEMP CONT FAILED, NO TEST, NO LIGHTS. CYCLED C/B'S - NO HELP. REPLACED PACK/ZONE TEMP CONTROLLER IAW AMM 21-61-20.

Part: WARNING LIGHT — INTERMITTENT (NR 2 A/C PACK) · airframe 7,996 hrs · 2,616 cycles

ON RECALL NR 2 PACK LIGHT. RESET GROUNDED. PERFORMED FIM 21-62, TASK 854. APPEARS TO HAVE BEEN AN INTERMITTENT FAULT. BITE VERIFICATION CHECK NORMAL.

Part: SATCOM — LOCKED · airframe 7,921 hrs · 2,587 cycles

SATCOM LOCKUP. ACFT GROUNDED. QRH FOLLOWED SUCCESSFULLY.

Part: CIRCUIT BREAKER — FAILED (EE BAY) · airframe 7,872 hrs · 2,572 cycles

DURING TAXI IN, NR 2 ENG SHUTDOWN. PUT THE APU GEN BUS TO ON AND LOST POWER ON BOTH BUSES. AFTER APU GEN BUS DISCONNECTED POWER, TRIED TO PUT THE NR 1 ENGINE. GENERATOR BACK ON LINE AND IT WOULDN'T CONNECT TO THE BUS. ACFT GROUNDED. REPLACED APU BREAKER C803, INSTALLATION TEST GOOD IAW MM 24-21-41. RAN ENGINES / APU AND TRANSFERRED POWER BETWEEN SOURCES SEVERAL TIMES, OPS NORMAL.

Part: CONTROL VALVE — WARNING LIGHT (CABIN TEMP) · airframe 7,799 hrs · 2,544 cycles

FWD CABIN ZONE TEMP LIGHT ILLUMINATES ON RECALL, GOES OUT AFTER MASTER CAUTION RESET. ACFT GROUNDED. REF FIM 21-62T814, ACCOMPLISHED PIN TO PIN & PIN TO GROUND RING OUT, MEG CK OF WIRES FROM D15016 AT M2847 TO D3860A, REF WDM 21-61-13. ALSO, SHOOK DOWN ALL EXPOSED WIRING AT E3-3 RACK. NOTHING ABNORMAL NOTED. INSPECTED CONTACTS AT D41027 P/J. CONTACTS APPEAR NORMAL. REPLACED NR 2 CABIN ZONE TEMP CONTROLLER REF MM 21-61-20. INSTALLATION TEST NORMAL IAW SAME. GROUND VERIFICATION SUCCESSFUL REF FIM 21-62T801. NO FAULTS. R & R THE FWD PASSENGER COMPARTMENT TRIM MODULATING VALVE IAW AMM 21-61-21. PERFORMED LEAK TEST, OPS TEST, BITE TEST IAW AMM 21-61-00.

Part: WARNING LIGHT — FALSE ACTIVATION (CABIN TEMP) · airframe 7,771 hrs · 2,537 cycles

FORWARD CAB ZONE TEMP ILLUMINATED ON RECALL. ACFT GROUNDED. PERFORMED RT TEMP CONTROLLER BITE AND FOUND ZONE FAULT LIGHT ON. ABLE TO CLEAR FAULT REF 21-61-00. OPS CHECKED SYS, NO FAULTS RETURNED.

Part: FMC — FAILED (LEFT) · airframe 7,754 hrs · 2,532 cycles

LEFT FMC FAILED, DISPLAY OF VTK FAILED BY MAP AND FAILURE FLAGS ON LT SIDE. ACFT GROUNDED. PERFORMED FIM 34-61, TASK 836 ON ACFT POWERUP. OPS CK NORMAL, REF SAME FIM.

Part: SATCOM — MALFUNCTIONED · airframe 7,717 hrs · 2,521 cycles

MCDU MENU MISSING SATCOM PROMT. ACFT GROUNDED. PERFORMED SATCOM LOCKUP PROCEDURE FROM QRH. PERFORMED SUCCESFULLY.

Part: SATCOM — MALFUNCTIONED · airframe 7,707 hrs · 2,516 cycles

NO SATCOM ON MCDU DURING PREFLIGHT. ACFT GROUNDED. PERFORMED QRH RESET PROCEDURE, SATCOM RESTORED.

Part: SENSOR — FAILED (CABIN TEMP) · airframe 7,651 hrs · 2,502 cycles

FWD CABIN ZONE TEMP ILLUMINATES IN RECALL, EXTINGUISHES ON MASTER CAUTION RESET. ACFT GROUNDED. ACCOMPLISHED TROUBLESHOOTING IAW FIM 21-62, TASK 843. R & R FWD CABIN ZONE DUCT OVERHEAT SWITCH, S1076, REF AMM 21-61-05 AND FWD CABIN DUCT TEMP SENSOR, T533, REF AMM 21-61-04. ACCOMPLISHED ZONE/TEMP BITE WITH NO FAULTS. OPERATED TEMP CONTROL SYSTEM WITH NO FWD CABIN ZONE TEMP LIGHT ON RECALL.

Part: CONTROL VALVE — FAILED (CABIN TEMP) · airframe 7,636 hrs · 2,496 cycles

FWD CABIN ZONE TEMP LIGHT ILLUMINATES ON RECALL. EXTINGUISHES ON RESET. ACFT GROUNDED. BITE CHECK OF NR 2 CONTROLLERS SHOWS FWD CABIN SENSOR FAULT AND PREVIOUS FAULT. UNABLE TO CONTROL TEMPERATURE FWD CABIN EVEN THOUGH MASTER CAUTION RESETS FAULT LIGHT. REPLACED OVERHEAD P-5 TEMPERATURE CONTROL MODULE. IAW TASK 21-61-15-400-801. NOW ABLE TO CONTROL FWD CABIN ZONE TEMP REF 21-61-00-700-801-002. FWD CONTROLLER BITE OK 21-61-00-700-800-002. PERFORMED CABIN TEMP CONTROL AND INDICATION OPS TEST GOOD, REF AMM 21-61-00.

Part: SATCOM — LOCKED · airframe 7,636 hrs · 2,496 cycles

SATCOM LOCKUP. ACFT GROUNDED. RESTORED WITH QRH PROCEDURE.

Part: SLIDING WINDOW — MALFUNCTIONED (RIGHT) · airframe 7,582 hrs · 2,482 cycles

WINDOW HEAT AMBER OVERHEAT LIGHT ILLUMINATED IN CRUISE FLIGHT, RT "SIDE" WINDOW QRH PRCDR FOLLOWED AMBER OVERHEAT LIGHT REMAINED ILLUMINATED. ACFT GROUNDED. ACCOMPLISHED WHCU RT SIDE BITE, SEVERAL LOGGED FAULTS FOR WINDOW SENSOR. FOLLOWED FIM 30-41, TASK 801. FROM WHCU M320 VERIFIED GOOD RESISTANCE THEN PRIMARY SENSOR D1042A PINS 13,26, REF WDM 30-41-11. VISUAL INSPECTION OF WINDOW SHOWS EVIDENCE OF MOISTURE INGRESSION AT LOWER/AFT CORNER REF MM 56-11-00-200-803, VICINITY OF SENSOR WIRES. REQUIRES R2 WINDOW REPLACEMENT. REF WDM 30-41-11, MOVED TAP AT TB5014 FOR H14 REPLACEMENT WINDOW 22304 INSP 19180. REPLACED F/O'S R2 OPENABLE WINDOW REF AMM 56-12-11. OPS TEST OF WINDOW HEAT GOOD.

Part: SENSOR — MALFUNCTIONED (CABIN TEMP) · airframe 7,572 hrs · 2,478 cycles

UPON MASTER CAUTION "RECALL" CHECK, ON AFTER START FWD CAB ZONE TEMP LIGHT ILLUMINATED REF ACCOMPLISHED QRH & NOTIFIED MAINTENANCE CONTROL. LIGHT EXTINGUISHED ON MASTER CAUTION RESET. ACFT GROUNDED. REPLACED FWD CABIN TEMP SENSOR, OPS NORMAL REF MM 21-61-10-400-802. BITE TEST PASS REF MM 21-61-00-700-806-002. REPLACED AFT CABIN TEMPERATURE SENSOR REF AMM 21-61-10. OPS CHECKED GOOD REF AMM. 21-61-00. REPLACED FLIGHT DECK TEMP SENSOR REF MM 21-61-10-400-802. OPS CHECK NORMAL REF 21-61-00-700-806-002. GROUND VERIFICATION GOOD.

Part: SATCOM — FAULTED · airframe 7,535 hrs · 2,468 cycles

SATCOM PROMPT MISSING ON MCDU. ACFT GROUNDED. PERFORMED SAT COM CB RESET, SYS RETURNED TO NORMAL OPS. REF TASK 23-15, TASK 801.

Part: WARNING LIGHT — FALSE ACTIVATION (WINDOW HEAT) · airframe 7,428 hrs · 2,434 cycles

RIGHT SIDE WINDOW HEAT LIGHT ILLUMINATED IN FLIGHT. RAN CHECKLIST, LIGHT STAYS ILLUMINATED. ACFT GROUNDED. OPENED AND RESET BOTH WINDOW HEAT RT SIDE POWER AND CONTROL CB'S. ACCOMPLISHED BITE TEST ON WHCU RT SIDE NO FAULTS NOTED. ACCOMPLISHED WINDOW HEAT RT SIDE OPS CK ALL NORMAL. RAN RT SIDE WINDOW HEAT FOR 20 MIN, OPS CKS GOOD. OK FOR SERVICE. REF MM 30-41-00 AND 30-41-11.

Part: SATCOM — LOCKED · airframe 7,419 hrs · 2,429 cycles

SATCOM LOCKUP, ACFT GROUNDED. QRH PROCEDURE PERFORMED. PROBLEM RESOLVED.

Part: CIRCUIT BREAKER — TRIPPED · airframe 7,373 hrs · 2,416 cycles

ON PREFLIGHT, FOUND P6-4, E16 CIRCUIT BREAKER TRIPPED. ACFT GROUNDED. INSPECTED FOR EVIDENCE OF BURN ODOR AND NO ODOR NOTED RESET BREAKER IAW AMM 20-60-01, CIRCUIT BREAKER REMAINS IN. NO HISTORY 30 DAYS, OK FOR SERVICE.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 7,360 hrs · 2,413 cycles

FMC DISAGREE. ACFT GROUNDED. RESOLVED IAW QRH. OPS NORMAL.

Part: SATCOM — LOCKED · airframe 7,284 hrs · 2,384 cycles

SAT LOCKUP, ACFT GROUNDED. PERFORMED QRH SATCOM LOCK-UP PAGE 5.3, DISPLAYED NORMALLY.

Part: SATCOM — LOCKED · airframe 7,234 hrs · 2,370 cycles

SATCOM LOCK-UP AFTER POWER TRANSFER. ACFT GROUNDED. PERFORMED QRH 5.3 AND SATCOM OPERATES NORMALLY.

Part: SENSOR — MALFUNCTIONED (CABIN TEMP) · airframe 7,098 hrs · 2,328 cycles

FWD ZONE TEMP LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED. REPLACED FWD CABIN ZONE TEMP SENSOR IAW AMM 21-61-10. OPS CHECKED NORMAL.

Part: SATCOM — LOCKED · airframe 6,939 hrs · 2,278 cycles

SATCOM LOCKUP, ACFT GROUNDED. QRH PROCEDURE COMPLETED SUCCESSFULLY.

Part: FILTER — DIRTY (TEMP SENSOR) · airframe 6,950 hrs · 2,282 cycles

FWD CAB ZONE TEMP LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED. BITE TEST OF ZONE TEMP CONTROLLERS IAW MM 21-61-00 HAS FAULT ON NR 2 CONTROLLER, ZONE SENSOR. FOUND FWD CABIN SENSOR FILTER DIRTY. CLEANED FILTER. OPERATED PACKS AND FWD CAB INDICATES NORMALLY. GROUND VERIFICATION OK REF FIM 21-61, TASK 864.

Part: SATCOM — MALFUNCTIONED · airframe 6,906 hrs · 2,269 cycles

LOST SATCOM PROMPT ON MCDU MENU. ACFT GROUNDED. ACCOMPLISHED QRH PROCEDURE AND RESTORED PROMPT. OPS NORMAL.

Part: CONNECTOR — DAMAGED (NR 2 HYD EDP) · airframe 6,890 hrs · 2,265 cycles

FOUND NR 2 ENGINE DRIVEN HYDRAULIC PUMP SHUTOFF SOLENOID CONNECTOR BAD. ACFT GROUNDED. REPLACED NACELLE HARNESS, MW0312. OPS CHECKED GOOD. IAW AMM 71-51-03.

Part: WARNING LIGHT — FALSE ACTIVATION (RAM AIR) · airframe 6,883 hrs · 2,261 cycles

RAM AIR FULL OPEN LIGHT REMAINED ILLUMINATED THE ENTIRE FLIGHT. ACFT GROUNDED. PERFORMED BITE TEST, PACK CONTROLLER IAW AMM 21-51-00-700-803, NO FAULTS. CHECKED RAM AIR SRADAS, 2, GREEN LIGHTS ON NORMAL. CHECKED RAM AIR INLET AND OUTLET NO BLOCKAGE. NO HISTORY 30 DAYS OK FOR SERVICE.

Part: FMC — MALFUNCTIONED (RIGHT) · airframe 6,855 hrs · 2,254 cycles

RIGHT FMC FAILED, DID NOT RESTORE AFTER QRH CHECKLIST. ACFT GROUNDED. ACCOMPLISHED FIM 34-61, TASK 836. DUAL FMC OPS RESTORED. GROUND VERIFICATION TEST GOOD.

Part: SWITCH — FAILED (LT FUEL FILTER) · airframe 6,832 hrs · 2,247 cycles

LEFT FUEL FILTER BYPASS LIGHT ILLUMINATED AT APPROX 1000' AGL AFTER T/O. ACFT GROUNDED. RETURNED TO DEPARTURE. ON ARRIVAL, FOUND NO FILTER BYPASS LIGHT ENGINE NR 1, PERFORMED EEC BITE TEST, GV OF SWITCH AND CONNECTOR FILTER BYPASS SHOWS NO CLOG. REPLACED NR 1 ENGINE FUEL FILTER. OPS AND LEAK CHECKED GOOD, IAW MM 73-11-02. REPLACED NR 1 ENGINE FUEL DIFF PRESSURE SWITCH IAW AMM 73-34-01, OPS CHECK GOOD.

Part: VALVE — MALFUNCTIONED (RT A/C PACK) · airframe 6,730 hrs · 2,211 cycles

MASTER CAUTION AND RT PACK LIGHT ILLUMINATED ON SHORT FINAL. ACFT GROUNDED. REPLACED CONNECTOR, D3872 IAW WDM 21-52-22 AND TEMPERATURE CONTROL VALVE, PRECAUTIONARY, IAW MM 21-51-10-000-801/21-51-10-400-801. PERFORMED TEMP CONTROL VALVE INSTALLATION TEST IAW MM 21-51-10-400-801, PARA E. INSTALLATION TEST IS GOOD. PERFORMED PACK TEMP CONTROL BITE TEST IAW FIM 21-62, TASK 801, NO FAULTS NOTED.

Part: CONTROL VALVE — FAILED (A/C BAY) · airframe 6,725 hrs · 2,210 cycles

ON CLIMB OUT, AT APPROXIMATELY FL220 CONTROL CABIN BECAME VERY WARM AND GOT WARMER AS CLIMB CONTINUED. AT FL 340, THE CONTROL CABIN DUCT TEMP WAS AT 60 DEG C. TEMP CONTROL INPUTS HAD NO AFFECT. FOLLOWED STEPS IN FLEET INFO BULLETIN DATED 9/12/14 WITH NO SUCCESS. CONTROL CABIN AIR STAYED HOT UNTIL APPROXIMATELY 15,000 FT ON DESCENT AND THEN BEGAN COOLING. BELOW 15000 FT TEMP WAS CONTROLLABLE. ACFT GROUNDED. REF FIM 21-61/861. BITE CHECK OF BOTH PACK/ZONE TEMP CONTROLLERS OK. NO FAULTS. LT PACK TEMP CONTROL VALVE, V139, VERY NOISY DURING BITE TEST. REPLACED AND OPS/LEAK CHECKED GOOD LEFT TEMP CONTROL VALVE V139 REF AMM 21-51-10. REF FIM 21-61/861 REPLACED TRIM AIR PRSOV REF AMM 21-62-01, OPS CHECK OK. NO LEAKS NOTED. OPS TEST OF TRIM AIR PRESSURE REGULATOR AND S/O VALVE OK REF AMM 21-62-00/501.

Part: CONTROL VALVE — FAILED (RT A/C PACK) · airframe 6,713 hrs · 2,207 cycles

CLIMB AND CRUISE, WARM AIR ENTERING FLIGHT DECK & CABIN, ALL ZONE SELECTORS FULL COLD, STILL WARM AIR. ACFT GROUNDED. ACCOMPLISHED BITE ON BOTH PACK TEMP CONTROLERS, BOTH CONTOLLERS FAULTED THE TCU IAW MM FIM 21-62 TASK 801-14584. CLEANED TEMPERATURE SENSOR ASSY FILTERS IAW AMM 21-61-06. ACCOMPLISHED BITE CHECK AFT TEMP CONT VALVE FAULTED. NR 1 TCV FAULT CLEARED. VERIFIED NR 2 TCV BAD. R & R NR 2 TCV IAW AMM 21-51-10-400-801 & 21-51-10-000-801. LEAK AND OPS CHECKED GOOD.

Part: WARNING LIGHT — FALSE ACTIVATION · airframe 6,539 hrs · 2,161 cycles

NR 1 "RAM DOOR FULL OPEN" BLUE LIGHT ILLUMINATED THE ENTIRE FLIGHT. ACFT GROUNDED. IAW AMM 21-51-00-700-803 PERFORMED PACK TEMP CONTROL BITE TEST. NO FAULTS FOUND. LEFT RAM AIR DOOR LIGHT EXTINGUISHED NO HISTORY LAST 30 DAYS. OK FOR CONTINUED SERVICE.

Part: SATCOM — MALFUNCTIONED · airframe 6,517 hrs · 2,154 cycles

NO SATCOM PROMPT, ACFT GROUNDED. PERFORMED "SATCOM LOCK UP" QRH CHECKLIST SATCOM WAS RESTORED.

Part: CIRCUIT BREAKER — TRIPPED (LT A/C PACK) · airframe 6,354 hrs · 2,109 cycles

PACK CONTROL LT A/C CIRCUIT BREAKER TRIPPED P6-4 (A-11). ACFT GROUNDED. INSPECTED CIRCUIT BREAKER PANEL, NO DEFECTS NOTED. RESET CIRCUIT BREAKER, PERFORMED CABIN TEMP CONTROL OPS CHECK IAW AMM 21-61-00, NO DEFECTS NOTED.

Part: LENS — MISSING (EMERGENCY LIGHT) · airframe 6,211 hrs · 2,063 cycles

MISSING LENS ON 14 DEF EMERGENCY LIGHT. ACFT GROUNDED. INSTALLED EAL LENS IAW AMM 33-51-03.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 6,188 hrs · 2,056 cycles

DATA LINK FAIL ON FMC. ACFT GROUNDED. PERFORMED SATCOM SYSTEM TEST, NO FAIL PROMPT, OPS CHECK GOOD IAW AMM 23-15-00.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 6,116 hrs · 2,034 cycles

FMC DISAGREE. ACFT GROUNDED. RESOLVED IAW QRH.

Part: SATCOM — LOCKED · airframe 6,112 hrs · 2,032 cycles

SATCOM LOCKUP, ACFT GROUNDED. ACCOMPLISHED QRH SATCOM LOCKUP PROCEDURE 5.3 -RESET SUCCESSFUL.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 6,000 hrs · 1,994 cycles

FMC DISAGREE ON GROUND. ACFT GROUNDED. OPS NORMAL IAW QRH.

Part: CONTROLLER — FAULTED (CABIN TEMP) · airframe 5,701 hrs · 1,905 cycles

CONT CABIN ZONE TEMP LIGHT ILLUMINATED ON RECALL AFTER START. LIGHT RESETS W/ MASTER CAUTION RESET AND TEMPERATURE DOES RESPOND TO RHEOSTAT. ACFT GROUNDED. ACCOMPLISHED BITE OF TEMP CONTROLLERS, CLEARED FLIGHT DECK TRIM VALVE FAULT ON NR 2 CONTROLLER. NO FAULTS NOTED. ZONE TEMP LIGHT DOES NOT ILLUMINATE ON RECALL.

Part: SATCOM — INOPERATIVE · airframe 5,621 hrs · 1,879 cycles

SAT COMM INOPERATIVE. ACFT GROUNDED. RESET VIA QRH PROCEDURE. OPS NORMAL.

Part: CONNECTOR — UNSECURE (START VALVE) · airframe 5,585 hrs · 1,866 cycles

NR 1 ENGINE START VALVE LIGHT REMAINED ILLUMIMATED AFTER START. FOLLOWED QRH PROCEDURES. LIGHT STAYED ON, SHUT ENGINE DOWN. RETURN TO GATE. ACFT GROUNDED. CHECKED START VALVE ON NR 1 ENGINE AND SECURED START VALVE CONNECTOR. RAN NR 1 ENGINE OPS CHECKED GOOD. GROUND VERIFICATION, CHECKED GOOD ON ENGINE RUN, IAW FIM 80-07, TASK 809.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 5,583 hrs · 1,865 cycles

DURING CRUISE AT FL340, GOT A "VTK" AND "MAP" ON RT FMC. L NAV AND V NAV DISCONNECTED. WAS STARTING TO RUN CHECKLIST WHEN PROBLEM SELF CORRECTED. ACFT GROUNDED. BOTH FMC'S OPS NORMAL, REF MM 34-61-00. ACFT GROUND VERIFICATION GOOD.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 5,334 hrs · 1,766 cycles

CAPTAIN STATES THAT NO SATCOM APPEARS ON MCDU PAGE. ACFT GROUNDED. PERFORMED TEST IAW MM TAK 23-15-00-730-801. TESTED NORMAL. OK FOR SERVICE.

Part: ACTUATOR — FAILED (RAM AIR EXHAUST) · airframe 5,295 hrs · 1,751 cycles

LEFT RAM DOOR FULL OPEN LIGHT REMAINED ILLUMINATED. ACFT GROUNDED. WHILE APPLYING MEL FOUND LT AC BAY EXHAUST DUCT, TO LOUVERS, TORN. REPLACED FLEX DUCT IAW MM 21-51-24-400-801, STEP I 3, C&D, LEAK CHECKED GOOD. RAM AIR EXHAUST ACTUATOR INSTALL STEP 6 GROUND CK IS .0002 OHMS REF MM 21-51-27. REPLACED EXHAUST ACTUATOR REF MM 21-51-27-400-801 & 21-00-00-440-802. OPS & LEAK CKS NORMAL. COULD NOT DUPLICATE FAULT ON GROUND.

Part: VALVE — FAILED (A/C BAY) · airframe 4,972 hrs · 1,639 cycles

CONTOL CABIN ZONE TEMP ILLUMINATES ON MC RECALL, RESETS WITH MASTER CAUTION. CONTROLLABLE WITH CONTROL CABIN TEMP SELECTOR. ACFT GROUNDED. PERFORMED PACK ZONE TEMP. CONTROLLER BITE TEST IAW AMM 21-61-00. FOUND FAULT ON CONTROL CABIN TRIM AIR MODULATING VALVE. R & R CONTROL CABIN TRIM AIR MODULATING VALVE IAW AMM 21-61-21. OPS CHECKED NORMAL, NO LEAKS NOTED. ACCOMPLISHED BITE TEST, NO FAULT NOTED.

Part: CONTROLLER — MALFUNCTIONED (NR 2) · airframe 4,931 hrs · 1,621 cycles

ON RECALL, FWD CABIN ZONE TEMP LIGHT ILLUMINATED TEMP SHOWS 52 DEG C WAS UNABLE TO CONTROL THE TEMPERATURE OR GET LIGHT TO GO OUT WITH CHECKLIST. ACFT GROUNDED. PERFORMED BITE TEST OF BOTH CABIN/ ZONE TEMP CONTROLLERS NR 2 CONTROLLER SHOWED ZONE FAULT. RESET NR 2 CONTROLLER & PERFORMED 2 ADDITIONAL BITE TESTS, BOTH ARE GO. IAW FIM 21-62, TASK 801.

Part: KEYBOARD — INTERMITTENT (FLIGHT DECK) · airframe 4,895 hrs · 1,613 cycles

F/O MCDU LINE SELECT KEY L-1 INTERMITTENT. ACFT GROUNDED. R & R FMCS CDU KEY BOARD, OPS CK NORMAL REF MM 34-61-01.

Part: ACTUATOR — FAILED (RAM AIR DEFLECT) · airframe 4,839 hrs · 1,595 cycles

FWD CABIN ZONE, TEMP LIGHT ILLUMINATES ON MASTER CAUTION RECALL ONLY-RESETS WITH MASTER CAUTION. ACFT GROUNDED. RIGHT RAM AIR DEFLECTOR DOOR STICKS IN THE GROUND POSITION FOUND DURING T/S. PERFORMED FIM 21-62 TASK 843, NR 2 CONTROLLER LOGGED FWD ZONE TEMP VALVE. RAN LT AND RT PACKS, TEMP CONTROL NORMAL, NO FAULTS. CONTROLLERS BITE NORMAL REF MM 21-62, TASK 801. REPLACED RT RAM AIR EXHAUST ACTUATOR REF AMM 21-51-21. SECURED RT RAM AIR INLET ACTUATOR, OPS CK NORMAL REF AMM 21-61-00-700-806-002. OK FOR SERVICE.

Part: FMC — FAILED (LEFT) · airframe 4,757 hrs · 1,568 cycles

LEFT FMC FAILURE. ACFT GROUNDED. REMOVED NR 1 FMC COMPUTER. INSPECTED RACK CONNECTORS AND WIRES. NO DAMAGE NOTED. INSTALLED NEW FMC COMPUTER. OPS CHECKED GOOD IAW AMM 34-61-02 & IPC 34-61-02-02B.

Part: SATCOM — MALFUNCTIONED · airframe 4,592 hrs · 1,515 cycles

CREW REPORTS SAT PROMPT DISAPPEARED FROM CDU MENU PAGE. ACFT GROUNDED. FOLLOWED QRH, PROMPT REAPPEARED.

Part: FMC — FAILED (LEFT) · airframe 4,544 hrs · 1,495 cycles

LEFT FMC FAILED AT CRUISE. ACFT GROUNDED. REPLACED LT NR 1 FMC IAW AMM 34-61-02.

Part: LINK — LOOSE (NR 1 ENGINE) · airframe 4,332 hrs · 1,424 cycles

WHILE ACCOMPLISHING TC 78472000, NR 1 ENGINE OTBD SUPPORT LINK LOOSE FWD OF THE ENGINE COWL TAI VALVE. ACFT GROUNDED. REPLACED THE OTBD SUPPORT LINK IAW MANUAL 71-00-02.

Part: SATCOM — LOCKED · airframe 4,273 hrs · 1,405 cycles

SATCOM LOCKED UP ON THE GROUND. ACFT GROUNDED. FOLLOWED CHECKLIST, AND RESET THE CB. AFTER 1 MINUTE OR 2, THE SATCOM PROMPT RETURNED TO THE MENU PAGE.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 4,232 hrs · 1,391 cycles

FMC DISAGREE, ACFT GROUNDED. QRH CHECKLIST SUCCESSFULLY COMPLETED.

Part: SATCOM — MALFUNCTIONED · airframe 4,227 hrs · 1,389 cycles

SATCOM LOCKUP, ACFT GROUNDED. QRH PROCEDURE SUCCESSFULLY COMPLETED. OPS NORMAL.

Part: WARNING LIGHT — FALSE ACTIVATION (COCKPIT TEMP) · airframe 4,030 hrs · 1,313 cycles

CONTROL CABIN ZONE TEMP LIGHT CAME ON WHEN RECALL PUSHED. LIGHT WENT OUT WHEN MASTER CAUTION RESET WAS PUSHED. ACFT GROUNDED. PERFORMED NR 2 CONTROLLER BITE 21-62, TASK 801. FOUND MESSAGE FLT DECK TRIM VALVE FAULT. RESET FAULT. GROUND RAN RT PACK FOR 1 HOUR. PERFORMED BITE AGAIN , NO FAULTS LOGGED. SYS CKS NORMAL.

Part: ENGINE — SHUTDOWN · airframe 3,668 hrs · 1,200 cycles

MULTIPLE FLIGHT DISPLAY ERRORS ON GROUND POWER TRANSFER, ENGINE SHUTDOWN, ALL NORMAL UNTIL ENGINE SHUTDOWN. ACFT GROUNDED. ACCOMPLISHED OPS TEST FOR AC GENERATION AND CONTROL SYSTEM. ALL TEST PASSED IAW MM 24-21-00-700-803.

Part: SATCOM — LOCKED · airframe 3,509 hrs · 1,155 cycles

SATCOM LOCKED UP. ACFT GROUNDED. QRH PROCEDURE SUCCESSFULLY ACCOMPLISHED. OPS NORMAL.

Part: SATCOM — LOCKED · airframe 3,372 hrs · 1,115 cycles

NO SATCOM PROMPT, ACFT GROUNDED. SATCOM LOCKED UP PROCEDURE SUCCESSFULLY ACCOMPLISHED.

Part: SATCOM — MALFUNCTIONED · airframe 2,898 hrs · 973 cycles

SATCOM NOT WORKING. ACFT GROUNDED. CYCLED C/B FOR SATCOM IAW FIM 23-15-00-23-801. SATCOM OPS CHECK GOOD.

Part: AUTOLAND SYS — MALFUNCTIONED · airframe 2,751 hrs · 934 cycles

HGS AUTOLAND FAILED. LANDED TO FAR RT OF CETER LINE HALFWAY BETWEEN CENTER LINE AND RUNWAY EDGE. ACFT GROUNDED. PERFORMED FIM 22-11, TASK 825, PERFORMED LAND VERIFY TEST, AMM TASK 22-11-00-700-801. NO FAULTS. NO HISTORY LAST 30 DAYS. PERFORMED HGS SYS TEST REF AMM 34-36-00. NO FAULTS.

Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 2,661 hrs · 905 cycles

EXTERIOR EMERGENCY LIGHT, RT FWD OVERWING EXIT INOPERATIVE. ACFT GROUNDED. REPLACED LAMP. OP CHECKED NORMAL.

Part: FMC — MALFUNCTIONED (LEFT) · airframe 2,642 hrs · 898 cycles

"VTK" AND "MAP" ANNUNCIATED ON MAP MODE DISPLAY CONFIRMED LT FMC INOPOPERATIVE VIA CHECKLIST, CONTINUED SINGLE RT FMC OPERATION. ACFT GROUNDED. CYCLED NR 1 FMC CIRCUIT BREAKER, SYS RESTORED & CKS NORMAL IAW 34-61-00, GROUND CONF SUCCESSFUL.

Part: DRAIN — LEAKING (NR 2 ENG FUEL) · airframe 2,480 hrs · 843 cycles

NR 2 ENGINE HAS HISTORY OF FUEL LEAKS ON THE GROUND AT ENGINE START ON FIRST FLIGHT OF THE DAY. ACFT GROUNDED. REPLACED NR 2 ENG TBV IAW AMM 75-23-01. FOUND LEAK COMING FROM FUEL PUMP PAD DRAIN. ACCOMPLISHED FUEL PACKAGE REMOVAL IAW AMM 73-11-01-000-801-F00, STEP 2A-H14. FINISHED FUEL PACKAGE REMOVAL IAW MM73-11-01-000-801-F00 STEP 2(H) 15-17. INSTALLED HMU TO FUEL PUMP IAW AMM 73-21-10-400-801-F00 THRU STEP H1. INSTALLED MAIN OIL/ FUEL HEAT EXCHANGER IAW AMM 79-21-02-400-801-F00, STEP 3(G)(1). COMPLETED INSTALL OF HMU, MAIN/ OIL FUEL HT EXCHANGER & FUEL PUMP PACKAGE REF AMM'S 73-11-01-400-801-F00, 73-21-10-400-801-F00 & 79-21-02-400-801-F00. LEAK CHECK AND ALL ASSOCIATED TESTS PASSED.

Part: PROBE — FAILED (TOTAL AIR TEMP) · airframe 2,196 hrs · 749 cycles

AFTER START, TEMP PROBE LIGHT REMAINS ILLUMINATED. ACFT GROUNDED. R & R TOTAL AIR TEMPERATURE PROBE IAW MM 34-21-21.

Part: SWITCH — OUT OF POSITION (AUTOPILOT) · airframe 1,903 hrs · 650 cycles

AUTOPILOT AB WOULD NOT ENGAGE AFTER TAKE OFF. FOUND AUTOPILOT STAB TRIM SWITCH IN CUTOUT POSITION, WORK NORMAL WITH SWITCH IN NORMAL. ACFT GROUNDED. PERFORMED DFCS LAND VERIFY GRP 49, IAW MM 22-11-00 AND HGS SYS TEST, IAW SMM 34-36-0. GROUND VERIFICATION SUCCESSFUL.

Part: TRIM SYSTEM — MALFUNCTIONED (SPEED) · airframe 1,903 hrs · 650 cycles

SPEED TRIM FAIL LIGHT COME ON DURING RECALL. ACFT GROUNDED. COULD NOT DUPLICATE. DFCS SPEED/TRIM SURFACE TEST GRP 60, LIBRARY 32 FUNCTIONS NORMAL, IAW MM 22-11-00. NO FAULTS.

Part: CONTROL VALVE — MALFUNCTIONED (LT A/C PACK) · airframe 1,744 hrs · 595 cycles

AFTER START, OBSERVED ILLUMINATION OF LEFT PACK LIGHT DURING MASTER CAUTION RECALL. PACK LIGHT EXTINGUISHES WHEN MASTER CAUTION SYS IS RESET. ACFT GROUNDED. REPLACED TEMPERATURE CONTROL VALVE IAW AMM 21-51-10/401. OPS CHECKED GOOD. NO FAULTS FOUND.

Part: TRANSCEIVER — DAMAGED (WX RADAR) · airframe 1,638 hrs · 553 cycles

WEATHER RADAR SHOWING FALSE RETURNS 15-30 DEGREES RT OF COURSE. DOES IT IN BOTH AUTO AND MANUAL MODES. MORE PRONOUNCED IN AUTO MODE. ACFT GROUNDED. PERFORMED FIM 34-43, TASK 801- NO FAULTS, OPS TESTED GOOD. FAN FUNCTIONAL W/GOOD AIRFLOW. UNABLE TO PERFORM ACTUAL WXR SWEEPS DUE TO CLOSE PROXIMITY OF BUILDING. UPON VISUAL INSP. OF WXR R/T, FOUND EVIDENCE OF A LIQUID SPILLAGE ON TOP AND INTO R/T. REPLACED WXR R/T REF 34-43-41. OPS NORMAL REF MM 34-43-00. GROUND VERIFICATION GOOD.

Part: INDICATOR — FAILED (CABIN TEMP) · airframe 1,415 hrs · 477 cycles

CABIN TEMP GAUGE INOPERATIVE. ACFT GROUNDED. R & R CABIN TEMP INDICATOR REF MM 21-61-32. OPS NORMAL IAW SAME. ETOPS GROUND VERIFICATION TEST PASSED.

Part: WARNING MESSAGE — FALSE ACTIVATION (APU) · airframe 1,310 hrs · 445 cycles

"BLUE" MAINTENANCE LIGHT ILLUMINATED, ON APU PANEL. ACFT GROUNDED. PERFORMED FIM TASK 49-90, TASK 804. OPS CHECKED NORMAL, LOW OIL QTY-FAULT ISOLATION. APU OIL LEVEL FULL. NO MAINTENANCE MESSAGE AT CURRENT STATUS CDU.

Part: CIRCUIT BREAKER — TRIPPED · airframe 1,176 hrs · 404 cycles

WARNING LIGHT BATTERY SYS 4, CIRCUIT BREAKER TRIPPED. ACFT GROUNDED. CHECKED BEHIND P18-1, CIRCUIT BREAKER PANEL FOR CONTAMINATION OR DEFECTS, NONE NOTED. RESET WARNING LIGHT BATTERY CIRCUIT BREAKER IAW MM 20-62-01. WARNING LIGHTS OPS NORMAL IAW MM 22-11-32.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 1,182 hrs · 407 cycles

FMC DISAGREE WARNING DISPLAYED DURING TAXI TO RUNWAY. ACFT GROUNDED. COMPLETED QRH PROCEDURE. WARNING DISAPPEARED.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 1,073 hrs · 370 cycles

FMC DISAGREE WARNING ON GROUND. ACFT GROUNDED. QRH CHECK ACCOMPLISHED, FMCS RESTORED, OPS NORMAL.

Part: SATCOM — MALFUNCTIONED · airframe 768 hrs · 267 cycles

DURING FLIGHT, LOST SATCOM MENU PROMT ON CDU MENU PAGE. ACFT GROUNDED. CYCLED POWER IAW MM FIM 23-15, TASK 801, OPS NORMAL.

Part: CONTROL MODULE — MALFUNCTIONED (CABIN PRESSURE) · airframe 626 hrs · 217 cycles

PRESSURIZATION CONTROL PANEL WILL NOT DIM WITH THE PANEL LIGHT CONTROL SWITCH. ACFT GROUNDED. REPLACED CABIN PRESSURE CONTROL MODULE IAW 21-31-02-000-801/400-801. OPS CHECKED NORMAL IAW 21-31-00-700-802 AND 21-31-00-710-801.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 593 hrs · 208 cycles

FMC DISAGREE ON TAXI OUT. ACFT GROUNDED. COMPLIED WITH QRH, OPS NORMAL.

Part: MODULE — MALFUNCTIONED (DISPLAY) · airframe 491 hrs · 168 cycles

DIGITAL DISPLAYS, BOTH LAND ALT WINDOW AND CRUISE ALT WINDOW, ON CABIN PRESSURE CONTROLLER BLINK ON/OFF CONSTANTLY, ALSO WILL NOT DIM. ACFT GROUNDED. REMOVED P5-6 CABIN PRESSURE CONTROL MODULE REF TASK 21-31-02-000-801 AND INSPECTED ELECTRICAL CONNECTIONS. ALL OK. REINSTALLED P5-6 CABIN PRESSURE CONTROL MODULE REF TASK 21-31-02-400-801 AND RESET C/BS. MODULE LIGHTING DISPLAY NOW OPS NORMAL. SUSPECT FAULTY CONTACT/CONNECTION REPAIRED DURING REMOVAL AND REPLACEMENT PROCESS.

Part: WARNING LIGHT — INTERMITTENT (ANTI ICE) · airframe 254 hrs · 92 cycles

AFTER LANDING, NR 2 ENGINE ANTI-ICE VALVE STUCK IN TRANSIT-BRIGHT BLUE LIGHT ON OVERHEAD AND AMBER ANTI ICE ON ENGINE PANEL. MOVED THROTTLES TO 40 CYCLED SWITCH ON-DIM BLUE AND GREEN ANTI ICE LIGHTS THEN SWITCH OFF AND BRIGHT BLUE/AMBER AGAIN. TRIED THREE TIMES. ACFT GROUNDED. REF FIM TASK 30-21, TASK 804, ALL STEPS A THRU E DONE ALL TEST PASS. IAW STEP E. 3. B. THIS WAS AN INTERMITTENT FAULT.

Part: SATCOM — UNKNOWN · airframe 253 hrs · 91 cycles

MENU BUTTON ON MCDU MAIN PAGE, THERE IS NO SATCOM SELECT OPTION ON PAGE. ACFT GROUNDED. PERFORMED FIM TASK 23-15-00-23-801. CYCLED CIRCUIT BREAKER P18-2 D14, SATCOM RETURNED TO MAIN MENU PAGE LSK 4 & LEDS RETURNED ON IRIDIUM TRANSCEIVER. NO HISTORY 90 DAYS.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 176 hrs · 61 cycles

FMC DISAGREE ILLUMINATED DURING TAXI OUT. ACFT GROUNDED. PERFORMED FMC DISAGREE QRH PROCEDURE PAGE 11.2 SUCCESSFUL, OPS NORMAL.

Part: FILTER — DIRTY (PAX CABIN) · airframe 135 hrs · 49 cycles

TEMPERATURE WAS IMPOSSIBLE TO CONTROL. MANY COMPLAINTS BY F/AS AND PAX. ACFT GROUNDED. PERFORMED BITE CK ON BOTH TEMP CONT, BOTH CK OK ALL GOS. OPERATED BOTH PACKS, FOUND FWD & AFT CABIN TAKES MUCH LONGER TO GET TO TEMP & CONT CAB CK OK. FOUND BOTH CABIN TEMP SENSOR FILTERS VERY DIRTY. CLEANED BOTH CABIN TEMP SENSORS FILTERS & ACCOP CABIN TEMP CONT OPS TEST, ALL TEST NORMAL, REF MM21-61-00 & 21-61-06. NO HISTORY 30 DAYS.

Part: CONNECTOR — DIRTY (NLG DOWNLOCK) · airframe 11,263 hrs · 9,418 cycles

NOSE GEAR UNSAFE LIGHT ILLUMINATED ON APPROACH. FLY BY TOWER INDICATED GEAR WAS DOWN. LANDED UNEVENTFULLY. TROUBLESHOT WIRING TO NLG DOWNLOCK SWITCH, FOUND CONTACTS AT CONNECTOR PLUG NEEDED CLEANING. CLEANED AND REATTACHED. CONDUCTED GEAR SWING, OPS CHECK GOOD.

Part: DOWNLOCK SENSOR — FALSE INDICATION (MLG) · airframe 11,261 hrs · 9,416 cycles

ON APPROACH, LOWERED LANDING GEAR AND HAD RED LIGHT ON RT MLG. RECYCLED GEAR, SAME RESULT. PERFORMED ELECTRICAL MALFUNCTION ALTERNATE GEAR EXTENSION, SAME RESULT. CHANGED LANDING LOCATION; LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED MALFUNCTIONING RT MLG DOWNLOCK SWITCH. REPLACED SWITCH, PN 1EN1-8. PERFORMED GEAR SWING, OPS CHECK GOOD.

Part: WIRE HARNESS — DAMAGED (LT ENGINE) · airframe 11,228 hrs · 9,389 cycles

LT ENGINE N1 LAGGED BEHIND RT ENGINE N1 ON TAKEOFF ROLL, AND ALSO LT ENGINE COMPUTER LIGHT CAME ON. FOUND (B) SOLENOID OF SERVO VALVE CONNECTOR HAD EXPOSED WIRE. RE-TERMINATED PINS (A) AND (B) OF CONNECTOR PLUG. CREW CONDUCTED HIGH POWER RUN AND HIGH SPEED TAXI, OPS CHECKED GOOD.

Part: BOLT — CORRODED (ENG MOUNT)

BOLT SHEARED AT THREADS DURING REMOVAL. SIGNS OF INTERNAL CORROSION ON BOLT.

Part: ACTUATOR — LEAKING (RT MLG)

RIGHT MAIN LANDING GEAR ACTUATOR LEAKING HYDRAULIC FLUID. PLUNGER O-RING PART NUMBER M83461/1-146 FAILED BY ROLLING IN THE ACTUATOR. INSTALLED ACTUATOR REPAIR KIT WHICH CONTAINED AN IMPROVED SEAL.

Part: VALVE — DEFECTIVE (LT OIL PUMP)

OIL PRESSURE GAUGE INDICATES IN THE RED ZONE (HIGH) AT TAKE OFF POWER. OIL PRESSURE FOLLOWS THE POWER LEVER.

Part: RETAINER — FAILED (OIL PUMP)

DURING ENGINE DISASSEMBLY, DISCOVERED ONE TANG OF RING, RETAINING HAD SEPARATED FROM RING. SEPARATED PIECE WAS FOUND LODGED IN THE FAN GEARBOX ELEMENT OF OIL PUMP. RING RETAINING P/N 3073754-1 WAS INSTALLED 2,639.7 HOURS PREVIOUSLY DURING INCORPORATION OF SB 72-3498. FRACTURE OCCURRRED IN FILLET RADIUS. SUBMITTER STATED CAUSE IS UNKNOWN. THIS REPAIR STATION HAS IMPLEMENTED FLUORESCENT PENETRANT INSPECTION (PFI) OF THE PART ANY TIME ACCESS IS GAINED TO THIS AREA.