N440AS

Part: DOOR — BINDING (ZONE 800) · airframe 43,359 hrs · 13,530 cycles

FA REPORTS L1 DOOR DIFFICUT TO OPEN. GROUNDED - YES. FORCE TO OPEN L1 DOOR WITHIN LIMITS REF AMM 52-11-00.

Part: SIGN — OUT OF POSITION (ZONE 200) · airframe 41,774 hrs · 13,043 cycles

16A EMERGENCY EXIT SIGN POINTING WRONG WAY. GROUNDED - YES. REMOVED AND REPLACED 16A WITH CORRECTLY POINTING EXIT SIGN REF AMM 33-51-01. OPS CHECK OK.

Part: BAFFLE — CRACKED (ZONE 100) · airframe 40,049 hrs · 12,545 cycles

FWD CARGO FOUND BAFFLE CRACKED AT LH 500 TO 500A. GROUNDED - YES. REMOVED AND REPLACED BAFFLE AT L/H 500 TO 500A IAW B737-900ER SRM 51-40-02-0G-0.

Part: DOUBLER — CRACKED (ZONE 100) · airframe 40,049 hrs · 12,545 cycles

EXTERNAL POWER DOOR 114AR LOWER LATCH DOES FULLY LOCK WITH DOOR CLOSED, MARKED. GROUNDED - YES. UPON FURTHER EVALUATION FOUND DOUBLER TO BE CRACKED RPEAIRED EXTERNAL POWER DOOR (114AR) LANDING IAW BOEING 737-900 SRM 53-10-15-2R-4.

Part: FLOORBEAM — CORRODED (ZONE 200) · corrosion level 2 · airframe 40,049 hrs · 12,545 cycles

AFT WET AREA STA 947 FLOOR BEAM HAS CORROSION AT FLOOR PANEL FASTENER HOLES RBL 6 TO LBL 24. GROUNDED - YES. REMOVED CORROSION, FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-70-51-1A-1 REAPIRED DAMAGE IAW B737-900ER SRM 53-70-51-2R-8W:2 O: .180 R: .132 L:3 D: .048.

Part: FLOORBEAM — CORRODED (ZONE 200) · corrosion level 2 · airframe 40,049 hrs · 12,545 cycles

AFT WET AREA STA 967 FLOOR BEAM HAS CORROSION AT FLOOR PANEL ATTACH HOLES RBL 6 TO LBL 45. GROUNDED - YES. REMOVED CORROSION, FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-70-51-1A-1 REPAIRED DAMAGE IAW B737-900ER SRM 53-00-51-2R-1W:2 O: .125 R: .104 L:3 D: .021.

Part: FLOOR SUPPORT — CRACKED (ZONE 200) · airframe 40,049 hrs · 12,545 cycles

FLOOR SUPPORT ENTERCOSTAL AT LBL 46 FROM FS 328 TO FS 344 IS CRACKED. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL IAW B737-900ER SRM 51-40-02-0G-0.

Part: FLOOR SUPPORT — CRACKED (ZONE 200) · airframe 40,049 hrs · 12,545 cycles

FLOOR SUPPORT ENTERCOSTAL AT LBL 46 FROM FS 312 TO FS 328 IS CRACKED. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL IAW B737-900ER SRM 51-40-02-0G-0.

Part: FLOORBEAM — CORRODED (ZONE 200) · corrosion level 2 · airframe 40,049 hrs · 12,545 cycles

FLOOR BEAM AT STA 294.5 HAS CORROSION AT BL0. GROUNDED - YES. REMOVED CORROSION AT STA 294 BL-0 FLOOR BEAM AND FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-10-51-1A-1. REPAIRED FLOOR BEAM AT STA 294 BL-0 IAW B737-900 SRM 53-10-51-2R-14W .090" O .094" R .072" L .5" D .022".

Part: FLOORBEAM — CORRODED (ZONE 200) · corrosion level 2 · airframe 40,049 hrs · 12,545 cycles

FLOOR BEAM AT STA 328 AND RBL43 CORROSION INFRONT OF SEAT TRACK. GROUNDED - YES. REPAIRED OUT OF LIMITS AREA OF FLOORBEAM STA 328 AND RBL43 IAW BOEING 737-900 SRM 53-10-51-2R-7 W 1.5" O .125 R .100 L 2" D .025.

Part: BAFFLE — CRACKED (ZONE 100) · airframe 40,049 hrs · 12,545 cycles

FWD CARGO 2 EA BAFFLE CLIPS CRACKED ON FWD AND AFT SIDE OF FRAME STA 500K L/H. GROUNDED - YES. FWD CARGO 500K L/H 2EA BAFFLE CLIPS REMOVED AND REPALCED IAW B737-900ER SRM 51-40-02-0G-0.

Part: SUPPORT ANGLE — CORRODED (ZONE 100) · corrosion level 2 · airframe 40,049 hrs · 12,545 cycles

AFT CARGO SUPPORT ANGLE UNDER FWD SHIELD HAS CORROSION. GROUNDED - YES. REMOVED CORROSION AND IS OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2, REMOVED AND REPLACED ANGLE IAW B737-900ER SRM 51-40-02-0G-0 & 51-40-05-0G-0W: 1" O: .050" R: 0 L: 2" D: .050".

Part: BAFFLE — CRACKED (ZONE 100) · airframe 40,049 hrs · 12,545 cycles

FWD CARGO 2 EA BAFFLE CLIPS CRACKED ON FWD AND AFT SIDE OF FRAME STA 500J R/H. GROUNDED - YES. FWD CARGO 2EA BAFFLE CLIPS ON FWD AND AFT SIDE OF FRAME STA 500J R/H REMOVED AND REPLACED IAW B737-900ER SRM 51-40-02-0G-0.

Part: BAFFLE — CRACKED (ZONE 100) · airframe 40,049 hrs · 12,545 cycles

FWD CARGO 2 EA BAFFLE CLIPS CRACKED ON FWD AND AFT SIDE OF FRAME STA 500K L/H. GROUNDED - YES. FWD CARGO 500K L/H 2EA BAFFLE CLIPS REMOVED AND REPALCED IAW B737-900ER SRM 51-40-02-0G-0.

Part: SHIELD — CORRODED (ZONE 100) · corrosion level 2 · airframe 40,049 hrs · 12,545 cycles

AFT CARGO DOOR CUTOUT FWD SHIELD HAS CORROSION. GROUNDED - YES. REMOVED CORROSION AND IS OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2, REMOVED AND REPALCED SHIELD IAW B737-900ER SRM 51-40-02-0G-0 & 51-40-05-0G-0W=1" O=.050 R=.044 L=4" D=.006.

Part: TRANSITION PANEL — CORRODED (ZONE 100) · corrosion level 2 · airframe 40,049 hrs · 12,545 cycles

AFT CARGO R/H TRANSITION HAS AREAS OF CORROSION FROM STA 727B TO 767. GROUNDED - YES. REMOVED CORROSION, FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2, REPAIRED DAMAGE IAW B737-900ER SRM 53-00-53-2R-6W: 2 O: .040 R: 0 L: 3 D: .040.

Part: BAFFLE — CRACKED (ZONE 100) · airframe 40,049 hrs · 12,545 cycles

FWD CARGO 2 EA BAFFLE CLIPS CRACKED ON FWD AND AFT SIDE OF FRAME 500K R/H. GROUNDED - YES. FWD CARGO 2EA BAFFLE CLIPS ON FWD AND AFT SIDE OF FRAME STA 500K R/H REMOVED ADN REPALCED IAW B737-900ER SRM 51-40-02-0G-0.

Part: BAFFLE — CRACKED (ZONE 100) · airframe 40,049 hrs · 12,545 cycles

FWD CARGO BAFFLE CLIP CRACKED ON FWD SIDE OF FRAME STA 500I R/H. GROUNDED - YES. FWD CARGO BAFFLE CLIP REMOVED AND REPLACED IAW B737-900ER SRM 51-40-02-0G-0.

Part: BAFFLE — CRACKED (ZONE 100) · airframe 40,049 hrs · 12,545 cycles

FWD CARGO 2 EA BAFFLE CLIPS CRACKED ON FWD AND AFT SIDE OF FRAME STA 500J R/H. GROUNDED - YES. FWD CARGO 2EA BAFFLE CLIPS ON FWD AND AFT SIDE OF FRAME STA 500J R/H REMOVED AND REPLACED IAW B737-900ER SRM 51-40-02-0G-0.

Part: BAFFLE — CRACKED (ZONE 100) · airframe 40,049 hrs · 12,545 cycles

FWD CARGO 2 EA BAFFLE CLIPS CRACKED ON FWD AND AFT SIDE OF FRAME 500K R/H. GROUNDED - YES. FWD CARGO 2EA BAFFLE CLIPS ON FWD AND AFT SIDE OF FRAME STA 500K R/H REMOVED ADN REPALCED IAW B737-900ER SRM 51-40-02-0G-0.

Part: WEB — CORRODED (ZONE 100) · airframe 40,049 hrs · 12,545 cycles

AFT CARGO DOOR CUTOUT LOWER SILL WEB HAS AREAS OF CORROSION. GROUNDED - YES. REMOVED DAMAGE, FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-60-15-1A-1. REMOVED AND REPLACED AFT CARGO DOOR CUTOUT LOWER SILL WEB IAW B737-900ER SRM 51-40-02-0G-0W:2IN O:.045 R:.035 L:28IN D: .010.

Part: CARGO TRACK — CRACKED (ZONE 100) · airframe 40,049 hrs · 12,545 cycles

AFT CARGO R/H CARGO TRACK IS CRACKED AT STA 727I. GROUNDED - YES. REPAIRED CARGO TRACK IAW B737-900ER SRM 53-00-53-2R-3.

Part: ANGLE — CORRODED (ZONE 100) · airframe 40,049 hrs · 12,545 cycles

AFT CARGO L/H TRANSITION HAS AREAS OF CORROSION FROM STA 727A TO 727J. GROUNDED - YES. REPAIRED AFT CARGO L/H TRANSITION PANEL FROM STA 727A-727J IAW B737-900 SRM 53-00-53-2R-5W=3" O=.040" R=0 L=4" D=.040".

Part: LIGHT — DAMAGED (ZONE 200) · airframe 40,593 hrs · 12,704 cycles

FLUORESCENT FLOOR LIGHTING COVER BROKE OFF AT THE END UP IN FIRST CLASS 6 INCHES OF THE A/C LEFT SIDE. GROUNDED - YES. (RESOLVED ON W/O: 2012170 TASKCARD: N/R-00001 ) REMOVED AND REPLACED DAMAGED FLOOR PROXIMITY PHOTOLUMINESCENT STRIP AT FIRST CLASS, A/C LEFT REF AMM 33-51-15. ALL TAPE REMOVED. THIS CLEARS MEL 33-19B. PLACARD REMOVED. SEAMC JOE NOTIFIED.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHTS) · airframe 40,332 hrs · 12,631 cycles

LH EMERGENCY LIGHT #3 AND 4 INOP. GROUNDED - YES. RELAMPED BOTH LIGHTS REF AMM 33-51-04. STILL REMAIN INOP. REMOVED AND REPLACED POWER SUPPLY M1670 REF AMM 33-51-06. OPS CHK OK.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHTS) · airframe 38,042 hrs · 11,957 cycles

PER T/C 78233008 EMERGENCY LIGHTS ARE INOP AT ROW 4, 9, AND 13. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY BATTERY POWER SUPPLY M1676 PER WDM 33-51-12-4 OPS TEST GOOD AT ROW 4, 9 AND 13.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHTS) · airframe 38,042 hrs · 11,957 cycles

PER T/C 78233008 EMERGENCY LIGHTS INOP AT L1 DOOR, R2 DOOR, ROW 3, ROW 8.ROW 11, ROW 17, ROW 19, ROW 23 AND ROW 33 AND A/C EXTERIOR R/H AFT OVERWING EXIT, R2 DOOR EXTERIOR, A.C L/H FWD OVERWING EXIT AND L1 DOOR EXTERIOR. GROUNDED - YES. REPLACED EMER. BATTERY PACKS AS REQ. INT & EXT EMER. LIGHTS WORK NORMALLY. A/C OK FOR SVC.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 37,662 hrs · 11,846 cycles

#2 FMC INOP.(FAILED DURING FLIGHT, FOLLOWED QRH, NO RECOVERY). GROUNDED - YES. PERFORMED FIM 34-61 TASK 836 INTERMITTEN FAULT, OPS CKS GDOKAY FOR SVC.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 37,641 hrs · 11,840 cycles

DURING T/C 78273000, FND ECONOMIC FAULT 77-10851 ON ENG 1. BOTTOM RT EGT SIGNAL OUT OF RANGE. GROUNDED - YES. ON DEFERRAL.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 37,484 hrs · 11,792 cycles

REF TC 78273000 ENG 1 ECON FAULT 77-20871 THE TOP LEFT EGT SIGNAL IS OUT OF RANGE (T495S4). GROUNDED - YES. ON DEFERRAL.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 36,998 hrs · 11,648 cycles

REF. TC. 78273000 ENGINE #1 SHOWS ECON. FAULT. 77-10851. THE BOTTOM RH EGT SIGNAL IS OUT RANGE. T495S2. GROUNDED - YES. (RESOLVED ON W/O: 1967287 TASKCARD: N/R-00007 ) PERFORMED EGT CONNECTOR CLEANING, REF AMM 77-21-00-140-801. INITIAL TEMP INDICATIONS: S1, S2, S3, S4.AFTER CLEANING TEMP INDICATIONS: S1, S2,S3,S4. ALL TEMP INDICATIONS NOW WITHIN LIMITS. PERFORMED EEC TEST, REF AMM 73-21-00-700-804-F00, TEST GOOD. ALL FAULTS CLEARED AND DID NOT RETURN. REMOVES CN: 06003440SEAMC PETER NOTIFIED. THIS CLEARS PLT. INITIAL TEMP INDICATIONS: S1: 332.76, S2: 91.19, S3: 95.63, S4: 155.71.AFTER CLEANING TEMP INDICATIONS: S1: 54.14, S2: 33.77, S3: 34.97, S4: 71.10.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 36,998 hrs · 11,648 cycles

REF. TC. 78273000 ENGINE #1 SHOWS ECON. FAULT .77-10841. THE TOP RH EGT SIGNAL IS OUT OF RANGE. T495S1. GROUNDED - YES. (RESOLVED ON W/O: 1967287 TASKCARD: N/R-00008 ) PERFORMED ENG 1 EGT CONNECTOR CLEANING, REF AMM 77-21-00-140-801. INITIAL TEMP INDICATIONS: S1: 332.76, S2: 91.19, S3: 95.63, S4: 155.71.AFTER CLEANING TEMP INDICATIONS: S1: 54.14, S2: 33.77, S3: 34.97, S4: 71.10 ALL TEMP INDICATIONS NOW WITHIN LIMITS. PERFORMED EEC TEST, REF AMM 73-21-00-700-804-F00, TEST GOOD. ALL FAULTS CLEARED AND DID NOT RETURN. REMOVES CN: 06005440 SEAMC PETER NOTIFIED. THIS CLEARS PLT.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 36,998 hrs · 11,648 cycles

REF. TC. 78273000 ENGINE #1 SHOWS FAULT ECON. 73-31371 . THE UPPER EGT SECTORS READ HIGH. GROUNDED - YES. (RESOLVED ON W/O: 1967287 TASKCARD: N/R-00009 ) PERFORMED ENG 1 EGT CONNECTOR CLEANING, REF AMM 77-21-00-140-801. INITIAL TEMP INDICATIONS: S1: 332.76, S2: 91.19, S3: 95.63, S4: 155.71.AFTER CLEANING TEMP INDICATIONS: S1: 54.14, S2: 33.77, S3: 34.97, S4: 71.10 ALL TEMP INDICATIONS NOW WITHIN LIMITS. PERFORMED EEC TEST, REF AMM 73-21-00-700-804-F00, TEST GOOD. ALL FAULTS CLEARED AND DID NOT RETURN. REMOVES CN: 06007440 SEAMC PETER NOTIFIED. THIS CLEARS PLT.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 36,962 hrs · 11,637 cycles

#1 ENGINE EGT TREND DATA SHOWS DECREASE IN EGTHDM. (#PRI2/ETOPS) TASK CARD 78273000CNR 20230902015. GROUNDED - YES. (RESOLVED ON W/O: 1967695 TASKCARD: N/R-00001 ) PER FIM TASK 77-05 TASK 801 - PHYSICAL/VISUAL INSPECTION ACCOMPLISHED.REF FIG.301. SHEET.2. - COMPONENT LOCATION - TOP RIGHT T49.5 PROBE - CJ9 AND CJ10 CONNECTORS FOUND LOOSE.CONNECTORS RE-SECURED -- EEC TEST PERFORMED PER REF 73-2-00-700-804. NO FAULTS FOUND @ THIS TIME.ACTION NOW CLEARS TSR714924. SEAMC ASHRAF/TECH SERVICE ENGINEER SAM NOTIFIED.A/C OK FOR SERVICE.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 36,228 hrs · 11,429 cycles

APU DET INOP LT ILLUMINATED INFLT QRH PROCEDURES REVIEWED. GROUNDED - YES. ON DEFERRAL.

Part: HARNESS — DAMAGED (#2 ENGINE) · airframe 35,871 hrs · 11,328 cycles

WHILE ACCOMPLISHING ASA TASK CARD #8420001 ON ENG#2 FOUND J10 HARNESS DAMAGED AT 9 O'CLOCK ABOVE VSV B CONNECTOR. GROUNDED - YES. REMOVED AND REPLACED J10 WIRE HARNESS. PERFORMED GOOD INSTALLATION TEST REF B737-900 AMM 73-21-06/401.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 35,776 hrs · 11,297 cycles

VTK CAPT SIDE. NO FMX BOTH SIDES. MAP REMAINED ON BOTH SIDES. LASTED APPROX 1 MINUTE. GROUNDED - YES. PERFORMED B737-900 FIM TASK 34-61-00-810-836. APPEARS TO BE AN INTERMITTENT FAULT. NO FURTHER TROUBLESHOOTING PERFORMED.

Part: PANEL — STUCK (COCKPIT) · airframe 35,353 hrs · 11,176 cycles

HF/SAT XFRD BUTTON #1 STUCK IN DOWN POSITION. GROUNDED - YES. REMOVED AND REPLACED HF/SAT TRANSFER PANEL IAW B737-900 AMM 23-15-00-400-804.

Part: MODULATING VALVE — FAULTED (LT ACM) · airframe 34,482 hrs · 10,915 cycles

ZONE TEMP CONT CAB INOP. GROUNDED - YES. PERFORMED PACK /ZONE TEMPERATURE CONTROLLER BITE TEST REF B737-900 AMM 21-61-00. PACK CONTROLLER 2 FLAGGED FLIGHT DECK TRIM VALVE ON "BIT" AND " PREV FLT" VERIFY ON BOTH BOXES SHOW GREEN. PER B737-900 FIM 21-62 TASK 832, NO FAULT PRESENT. DUE TO HISTORY, REQUIRES REPLACEMENT OF FLIGHT DECK TRIM VALVE. REPLACED CONT CAB TRIM MODULATING VALVE REF AMM 21-51-10 OPS CHECK GOOD. NO FAULTS FOUND.

Part: WIRE HARNESS — FAULTED (NR 1 ENGINE) · airframe 34,393 hrs · 10,889 cycles

MAINTENANCE MESSAGE NUMBER 75-20801, T25 SIGNALS DISAGREE SHORT TIME FAULT. NUMBER ONE ENGINE. GROUNDED - YES. REMOVED & REPLACED J9 & J10 HARNESSES. PERFORMED GOOD INSTALLATION TESTS IAW B737-900 AMM 73-21-06.

Part: WARNING MESSAGE — FALSE ACTIVATION (COCKPIT TEMP) · airframe 34,390 hrs · 10,888 cycles

CONT CAB ZONE TEMP LIGHT ILLUMINATED DURING MASTER CAUTION RECALL. LIGHT EXTINGUISHED UPON MASTER CAUTION RESET. GROUNDED - YES. ACCOMPLISHED BITE CK B737-900 FIM 21-62 TASK 801 LEFT CONTROLLER SHOWED FLIGHT DECK TRIM VALVE. FAULT TESTED AND CLEARED ON RESET. PER FIM TASK 21-62 TASK 833 FAULT CLEARED IS OK FOR SERVICE.

Part: SENSOR — FAULT MESSAGE (#1 ENGINE) · airframe 34,336 hrs · 10,869 cycles

ENG #1 T25 SIGNALS DISAGREE. MSG NBR: 75-10801. GROUNDED - YES. REPLACED #1 ENGINE PT25 SENSOR. OPS CHECK OK, NO FAULTS FOUND. REF B737-900 AMM 73-21-02-400-801-F00.

Part: SUPPORT CHANNEL — CORRODED (BS 500L) · corrosion level 2 · airframe 34,231 hrs · 10,840 cycles

FWD PIT AFT BLKHD LOWER SUPPORT CHANNEL IS EXFOLIATED. GROUNDED - YES. REMOVED FWD CARGO AFT BULKHEAD LOWER SUPPORT RAIL/CHANNEL AND INSTALLED NEW LOWER SUPPORT RAIL/CHANNEL IAW B737-900ER SR,M 51-40-02-0G-0W=1.5 O=0.071 R=0 L=18 D=0.071.

Part: FAULT CODE — FALSE INDICATION (NR 1 ENGINE) · airframe 34,231 hrs · 10,840 cycles

WHILE PERFORMING T/C 78273000, FOUND A SHORT TIME FAULT 75-10801 ON NR 1 ENG, T25 SIGNALS DISAGREE GROUNDED - YES. PREFORMED #1 ENG EEC BITE TEST RECENT FAULTS NO FAULTS NOTED IAW AMM 73-21-00-740-803-F00 T-25 SENSORS READ A-16, B-16,60 HARNESS AND SENSOR RESISTANCE CHECK WITHIN LIMITS IAW FIM 75-33 TASK 805 STEP F5.

Part: SPACER — DEBONDED (#1 ENGINE) · airframe 33,448 hrs · 10,583 cycles

PER ASA T/C 78472010 #1 ENGINE FAN BLADE LUBE SPACERS # 3,4,6,10,13,15,16,18,19,20,21, AND 22 ARE DISBONDED. GROUNDED - YES. BAD SPACERS REPLACED WITH NEW REF ASA TASKCARD 78472010.

Part: VALVE — FAULTY (UNKNOWN) · airframe 33,253 hrs · 10,524 cycles

AFTER T/O CONT CAB ZONE TEMP LITE ILLUMINATED. RAN QRH AND ZONE TEMP LITE EXTINGUISHED. GROUNDED - YES. PER B737-900 FIM 21-62 TASK 801. PERFORMED BITE OF PZTC. CONTROLLER 2 HAD FLT DECK TRIM VALVE FAULT IN HISTORY. PERFORMED VERIFY A COUPLE TIMES. EACH TIME PASSED GREEN.

Part: STARTER GEN — FAULTY (APU COMPARTMENT) · airframe 33,063 hrs · 10,467 cycles

APU FAULT LIGHT DURING APU START. GROUNDED - YES. REMOVED AND REPLACED STARTER-GENERATOR REF B737-900 AMM 49-41-21.

Part: CONVERTER — INOPERATIVE (APU COMPARTMENT) · airframe 33,039 hrs · 10,461 cycles

APU FAULT ON START, DID NOT START. GROUNDED - YES. REMOVED AND REPLACED START CONVERTER UNIT REF B737-900 AMM 49-41-61.

Part: AUTOLAND SYS — MIGRATED (UNKNOWN) · airframe 33,000 hrs · 10,449 cycles

ON CATIII AUTOLAND TO 34R IN SEA WITH CRITICAL AREA CLEAR AT 100', A/C DRIFTED TO RIGHT ON CENTERLINE AND WAS LINED UP WITH RUNWAY EDGE. A/C CORRECTED BACK TO CENTER LINE BUT GOT HIGH ON GLIDESLOPE AND OVER CORRECTED TO CAPTURE PROPER GLIDE PATH AND DID NOT FLARE AT CORRECT TIME. DISCONNECTED AP AND LANDED NORMALLY. GROUNDED - YES. ACCOMPLISHED DFCS BITE B737-900 FIM 22-11 TASK 801. NO CURRENT FAULTS FOUND. ACCOMPLISHED FIM 22-11 TASK 826. ALL TESTS PASSED.

Part: HYDRAULIC LINE — LEAKING (#2 ENGINE) · airframe 32,993 hrs · 10,446 cycles

WHILE PERFORMING ASA T/C 78472000 (INLET INSP) ON THE #2 ENGINE NOTED A HYDRAULIC LEAK APPEARS TO BE COMING FROM THE EDP HIGH PRESSURE LINE. GROUNDED - YES. REMOVED AND REPLACED HYD PRESSURE HOSE REF CFM56 SPM P/P BUILDUP 71-00-02.

Part: INDICATOR — INOPERATIVE (REFUEL PANEL) · airframe 32,766 hrs · 10,384 cycles

#1 TANK REFUEL QUANTITY IND DISPLAY TEST INOP. GROUNDED - YES. REPLACED #1 TANK REFUEL QUANTITY IND REF. B737-900 AMM 28-41-61.

Part: A/C PACK — WARNING LIGHT (UNKNOWN) · airframe 32,723 hrs · 10,374 cycles

LEFT PACK LIGHT ON AT RECALL LIGHT GOES OUT ON RESET. GROUNDED - YES. PERFORMED B737-900 FIM TASK 21-53-00-810-821. ACCOMPLISHED BITE PROCEDURE-PACK TEMP CONTROL, FOUND THIS PACK TCV FAULT LIGHT CAME ON. ACCOMPLISHED FIM 21-62 TASK 830 TO RESET SWITCH. GREEN LIGHT CAME ON DURING BITE PROCEDURE; FAULT CLEAR. RAN L/H PACK. OPS CHECK GOOD.

Part: OVERHEAT — FALSE INDICATION (UNKNOWN) · airframe 32,443 hrs · 10,298 cycles

LEFT FORWARD WINDOW OVERHEAT LIGHT ON DURING FLIGHT CHECKLIST COMPLETED. LEFT FORWARD WINDOW HEAT TURNED OFF. GROUNDED - YES. C/W BITE CHECK IAW B737-900 FIM 30-41-11. OPS CHECK GOOD OVERHEAT LIGHT IS EXTINGUISHED.

Part: EEC — FAULTY (#2 ENGINE) · airframe 32,186 hrs · 10,225 cycles

ENG #2 SHORT TIME FAULT, 73-20322 - THE HMU FMV CONTROL CURRENT IS OUT OF RANGE, 75-20372 - THE HMU VSV CONTROL CURRENT IS OUT OF RANGE, 75-20422 - THE HMV VBV CONTROL CURRENT IS OUT OF RANGE, 78-21532 THE T/R LEVEL INTLK VOLTAGE INPUT TO THE EEC IS OUT OF RANGE, 73-20342 THE FMV POSITION SIGNAL IS OUT OF RANGE. DEFER PER T/C 78273000. GROUNDED - YES. FOUND EEC TO BE FAILING AND LOGGING MULTIPLE FAULTS. REMOVED & REPLACED #2 EEC. OP CK NORMAL. EEC BITE NORMAL BOTH PRE & POST ENGINE RUN. ACTUATORS TEST NORMAL. REF B737-900 AMM 73-21-60-00-801-F00 & 73-21-60-400-801-F00.

Part: PACKING — DAMAGED (#2 ENGINE) · airframe 32,186 hrs · 10,225 cycles

#2 ENGINE OIL FILLER CAP PACKING IS DAMAGED. GROUNDED - YES. REMOVED AND REPLACED #2 ENG OIL FILLER CAP PACKING AND INSPECTED FILLER CAP. NO DAMAGE NOTED REF B737-900 AMM 79-11-01-300-801-F00. NO OTHER DEFECTS NOTED.

Part: EEC — FAILED (#2 ENGINE) · airframe 32,186 hrs · 10,225 cycles

ENG #2 SHORT TERM FAULT 73-20052 INTERNAL EEC FAULT, 79-21092 THE ENGINE OIL PRESSURE SIGNAL (PEO) IS OUT OF RANGE, 73-21452 THE THRUST LEVER ANGLE POSITION SIGNAL IS OUT OF RANGE, 78-21542 EACH REVERSER SLEEVE HAS ONE POSITION SIGNAL OUT OF RANGE. DEFER PER TC 78273000. GROUNDED - YES. FOUND EEC TO BE FAILING AND LOGGING MULTIPLE FAULTS. REMOVED & REPLACED #2 EEC. OP CK NORMAL. EEC BITE NORMAL BOTH PRE & POST ENGINE RUN. ACTUATORS TEST NORMAL. REF B737-900 AMM 73-21-60-00-801-F00 & 73-21-60-400-801-F00.

Part: ADIRU — FAULTY (ELEC EQUIP RACK) · airframe 32,137 hrs · 10,213 cycles

L IRS NOT DISPLAYING ANY INFORMATION IN FLIGHT AT FL340. NOTE- POWER INTERRUPTION ON THE GROUND DUE TO AFTER START FLOW BEING DONE INCORRECTLY (APU OFF BEFORE ESTABLISHING ELECTRIC- GEN). RE-RAN CHECKLISTS, CHECKED C/B, AND DID NOT NOTE ANY ANOMALIES. GROUNDED - YES. AIR TURNBACK - FLT CREW TURNED BOTH IRS SYSTEMS OFF AFTER ARRIVAL AT GATE. L/H IRS SHOWED NO FAULTS INFLT OR CURRENT STATUS. REMOVED AND REPLACED L/H ADIRU PRECAUTIONARY REF B737-900 AMM 34-21-01-400-801 AND ALL TESTS PASSED REF B737-900 FIM 22-11 TASK 802 LRU REPLACEMENT TEST FOR ADIRU.

Part: UNKNOWN — INOPERATIVE (MID CABIN) · airframe 31,806 hrs · 10,129 cycles

REF T/C 78233008. EMERGENCY LIGHTS ROW 23-29 INOP. GROUNDED - YES. REMOVED & REPLACED EMERG POWER SUPPLY W/ BATTERY REF B737-900 AMM 33-51-06. OPS CHECK GOOD.

Part: NONE — FAULTY (#2 ENGINE) · airframe 31,715 hrs · 10,106 cycles

ENG 2 BLUE COWL VALVE OPEN ANNUNCIATOR AND AMBER TAI ANNUNCIATOR REMAIN ILLUMINATED AFTER ENGINE 2 ANTI-ICE SELECTED TO OFF. GROUNDED - YES. REMOVED & REPLACED #2 ENG COWL TAI VALVE REF B737-900 AMM 30-21-11, OPS CK GD, LK CKS GD.OKAY FOR CONT'D SVC.

Part: BRAKE ASSY — FAULTY (FLIGHT DECK) · airframe 31,581 hrs · 10,066 cycles

REF T/C 78273000 ENG 1 SHOWS LONG TIME FAULT 76-31361 THE START LEVER SIGNALS DISAGREE. GROUNDED - YES. 450 FH LONG TIME FAULT DEFERRED TO PLT PER T/C 78273000. REPLACED #1 START BRAKE ASSY B737-900 AMM 76-11-10-420-801 UP TO STEP (H) ASSY TEST. PERFORMED ENGINE START BRAKE ASSEMBLY TEST IAW AMM 76-11-10-420-801-F00, STEP H. GROUND VERIFICATION TESTS SUCCESSFUL. RAN #1 ENGINE, VERIFIED FAULT 76-31361 WAS NOT PRESENT ON LAST LEG.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 31,532 hrs · 10,051 cycles

APPROX HALF WAY THROUGH THE FLIGHT THE FMC HAD AN ANOMALY THAT RESEMBLED A DUAL FMC FAILURE TO INCLUDE DUAL VTK AND DUAL MENU PAGE PRESENTATION ANOMALY LASTED FOR LESS THAN 2 MINUTES BEFORE RETURNING TO NORMAL OPERATIONS. GROUNDED - YES. PERFORMED B737-900 FIM 34-61TASK 836 CYCLED FMC COMPUTER 1&2 CIRCUT BREAKERS VERIFIED NO FLAGS PRESENT

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 31,246 hrs · 9,969 cycles

DURING CRUSE AT FL 330 WE HAD AN FMC FAIL WITH & VTK ON THE CAPTAINS SIDE. IT SELF CORRECTED AFTER 5-10 SECONDS. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 34-61 TASK 836. NO DEFECTS NOTED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 30,862 hrs · 9,850 cycles

OVERWING EXIT SIGN FELL DOWN. GROUNDED - YES. REINSTALLED OVERWING EXIT SIGN REF B737-900 AMM 33-51-01.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 30,858 hrs · 9,849 cycles

AUTOLAND UNSUCCESSFUL- A/C WAS ATTEMPTING TO LAND RIGHT OF CENTERLINE. MANUALLY TOOK OVER LANDING. HGS APPROACH WAS SUCCESSFUL. GROUNDED - YES. LAND VERIFY TEST GOOD REF B737-800 AMM 22-11-00-201.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 30,853 hrs · 9,848 cycles

AT LEVEL OFF FL370 LEFT FMC FAILED. AUTOMATICALLY RESET AFTER ABOUT THREE MINUTES. GROUNDED - YES. PERFORMED B737-900 FIM 34-61 TASK 836. FMC RESET, CK NML OK FOR SVC.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 30,790 hrs · 9,828 cycles

AFTER START ON MASTER RECALL, CONTROL CABIN ZONE TEMP AMBER LIGHT ON. GOES OUT WITH RESET. GROUNDED - YES. PERFORMED PZTC BITE ON BOTH CONTROLLERS REF B737-900 FIM 21-62 TASK 801. FOUND FLIGHT DECK TRIM VALVE FAULTING ON BIT AND PREV. FLIGHT. PUSHED VERIFY AND GREEN GO LIGHT ILLUMINATED. FOUND CABIN TEMPERATURE SENSOR DIRTY WITH DUST/ DEBRIS. CLEANED CONTROL CABIN TEMP SENSOR REF B737-900 AMM 21-61-10. PERFORMED OPS TEST OF PACKS FOR 15 MINUTES. NO DEFECTS NOTED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 30,784 hrs · 9,827 cycles

DURING CRUISE LEFT FMC FAILED FOR APPROX 30 SECONDS THEN CAME BACK. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 34-61-TASK 836. BOTH FMC CHECK NORMAL A/C OKAY FOR SERVICE. SEAMC STEVEN NOTIFIED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 30,438 hrs · 9,739 cycles

AUTOLAND/HGS AIII HYBRID APPROACH ON RUNWAY 16R AT FLARE DRIFFTED LEFT. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 22-11 TASK 825, LAND VERIFY TEST PASS. ACCOMPLISHED HGS SYSTEM TEST REF SMM 34-36-00 ALL CKS PASS.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 30,306 hrs · 9,706 cycles

"FMC DISAGREE" ON LEFT/RIGHT ND ON GROUND. GROUNDED - YES. RESET PER QRH PROCEDURE-OPS CHECK GOOD.

Part: ACM — SEIZED (RIGHT ECS BAY) · airframe 30,236 hrs · 9,690 cycles

R/H PACK LIGHT IS ON, WILL NOT RESET W/ MASTER CAUTION AND SIX PACK. GROUNDED - YES. UPON FCSOV REMOVAL FOUND ACM SIEZED AND DAMAGED BLADES. ALSO FOUND DAMAGE ON PRIMARY DIFFUSER. REMOVED ACM PER B737-900 AMM 21-51-04-000-802-002. REMOVED PRIMARY DIFFUSER PER AMM 21-51-03-000-805-002.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 30,167 hrs · 9,674 cycles

REFUEL PANEL QTY #2 INOP. GROUNDED - YES. OPS CHECK #2 REFUEL GAUGE OPS NML REF B737-900 FIM 28-21 TASK 804. ACCOMPLISH FQIS BITE: TEST PASSED, NO "CURRENT" FAULTS, AND NO FAULTS IN "IN FLIGHT" AND "HISTORY" REF FIM 28-41 TASK 801.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 30,164 hrs · 9,673 cycles

MOMENTARY LEFT FMC FAIL. VTK AND MAP FAIL FLAGS IN CAPTAIN'S ND. BOTH CDUS BLANK. RAN QRH. AFTER 1 MINUTE DUAL FMC OPS AUTOMATICALLY RECOVERED. GROUNDED - YES. VERIFIED FAULT, L/H FMC SHOWS R FMC FAULT, R/H FMC FLT FAULTS SHOW FMC L PRESS POS LAT RATE INTERMITTENT. ACCOMP FMC SENSOR TEST ALL SHOW TEST OK REF B737-900 FIM 34-61 TASK 801 & B737-900 AMM 34-61-00-710-026.

Part: CONVERTER — FAULTY · airframe 30,072 hrs · 9,648 cycles

APU "FAULT" CAUTION LIGHT DURING GROUND START. GROUNDED - YES. REMOVED AND REPLACED THE APU START CONVERTER UNIT. OPS CHECK GOOD. REF AMM 49-41-61-400-801. THIS CLEARS MEL 49-1B. PLACARDS REMOVED SEAMC FELIX NOTIFIED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 29,788 hrs · 9,559 cycles

AFTER START UP, "ELEC" LIGHT REMAINS ILLUMINATED. GROUNDED - YES. REF B737-900 FIM 34-31 TASK 801, PERFORMED ELECT LIGHT BITE. FOUND BATT CHGR 2 AUX BATT CHG ISPCU I FAULTS. ALL FAULTS ARE INTERMITTENT FAULTS. ALL FAULTS CLEARED. ELEC LIGHT NOW PASSES. NO FAULTS.

Part: BLADE — WORN (#2 ENGINE) · airframe 29,737 hrs · 9,542 cycles

WHILE PERFORMING T/C 78472010 FOUND BLADE #10 ON ENG #2 HAS MISSING CU-NI-IN COATING THAT IS WORN BEYOND LIMITS. GROUNDED - YES. REPLACED BLADES #10 AND 22 REF T/C 78472010.

Part: SHIM — WORN (#2 ENGINE) · airframe 29,739 hrs · 9,543 cycles

WHILE PERFORMING T/C 78472010 FOUND 24 SHIMS WORN BEYOND LIMITS. GROUNDED - YES. REPLACED FULL SET OF SHIMS REF T/C 78472010.

Part: SPACER — WORN (#2 ENGINE) · airframe 29,737 hrs · 9,542 cycles

WHILE PERFORMING T/C 78472010. FOUND 13 SPACERS WORN BEYOND LIMITS. GROUNDED - YES. REPLACED FULL SET OF SPACERS REF T/C 78472010.

Part: AUTOLAND SYS — MALFUNCTIONED · airframe 29,438 hrs · 9,452 cycles

AUTOLAND UNSATISFACTORY. AIRCRAFT LINED UP AND REMAINED APPROXIMATELY 50' LEFT ON CENTERLINE REQUIRING PILOT INTERVENTION. GROUNDED - YES. ACCOMPLISHED DFCS BITE TEST. NO FAULT FOUND. ACCOMPLISHED LAND VERIFY TEST. ALL LLM TESTS PASSED. REF B737-900 AMM 22-11-00.

Part: WARNING MESSAGE — FALSE ACTIVATION (COCKPIT TEMP) · airframe 29,253 hrs · 9,397 cycles

CONT CAB ZONE TEMP ON DURING RECALL, LIGHT EXTINGUISHES WHEN RESETTING MASTER CAUTION. GROUNDED - YES. RLS PER MEL 21-21G CONT CAB ZONE TEMP PRIMARY INOP. ZONE TEMP CONT LOGGED FLIGHT DECK TRIM VALVE. FAULT CLEARED & TESTS NORMAL PER 21-61-00. GROUND VERIFICATION SUCCESSFUL. THIS CLEARS MEL 21-21G, FLT CREW PLACARD REMOVED,

Part: CIRCUIT BREAKER — TRIPPED (LT WINDOW HEAT) · airframe 29,192 hrs · 9,378 cycles

L WINDOW HEAT C/B FOUND POPPED ON PRE-FLT. GROUNDED - YES. C/B FOUND OPEN - RESET SYS OPS OK.

Part: ACTUATOR — FAULTED (LT RAM AIR INLET) · airframe 28,999 hrs · 9,320 cycles

DESCENDING THROUGH 18,000 FT LEFT PACK LIGHT ON COMPLETED QRH PROCEDURE. GROUNDED - YES. PERFORMED PZTC BITE REF B737-900 AMM 21-51-00-700-803, FOUND L/H SRADA INLET FAULT LOGGED, RESET FAULT WITH NO HELP. R/R RAM AIR INLET ACTUATOR REF B737-900 AMM 21-51-21 OPS CHK GOOD. GROUND VERIFICATION SUCCESSFUL.

Part: FMC — FAULTED (LEFT) · airframe 28,802 hrs · 9,264 cycles

AFTER LANDING "VTK" CYCLING ON AND OFF EVERY 20 SECS OR SO ON CA'S ND LEFT FMC. GROUNDED - YES. FOUND FMC L STUCK IN REPEATING BITE CYCLE RESET NO HELP. FOUND FAULT "PGM" ON G LEG INFLIGHT FAULT L/H FMC. VERIFIED BOTH FMC'S HAD BOTH GREEN LIGHTS ILLUMINATED. MOVED TRANSFER S/W BACK TO NORMAL POSITION. OPS NORMAL. RESET L/H FMC BY PULLING C/B FOR 1 MIN. ACCOMPLISHED B737-900 FIM 34-61 TASK 801 FMC BITE AND FMC OPS TEST REF B737-900 AMM 34-61-00-710-801 TO BOTH L/H & R/H FMC'S. NO DEFECTS NOTED.

Part: OIL COOLER — LEAKING (NR 2 IDG) · airframe 28,788 hrs · 9,258 cycles

EVIDENCE OF OIL LEAK FROM #2 ENG IDG AIR OIL COOLER. NOTE: OIL LEVEL IS ALSO LOW. GROUNDED - YES. REPLACED THE #2 ENG IDG AIR OIL COOLER, LEAK CHECK GOOD REF B737-900 AMM 24-11-21/401. IDG OIL SERVICED TO FULL REF AMM 12-13-21/301.

Part: HOSE — LEAKING (PNUEMATIC SYS) · airframe 28,738 hrs · 9,243 cycles

L DUCT PRESSURE EXCEEDS 60 PSI LIMIT. AT 6000FT N1 69% L-61PSI R-40PSI. AT 7500FT N1 82% L-80PSI R-40PSI. AT 9000FT N1 95% L-80PSI R-40PSI. GROUNDED - YES. DIVERSION TIME 20 MINUTES - FOUND FLEX LINE AT PRECOOLER LEAKING P/N 16135-81. REPLACED FLEX LINE TO PRSOV, OPS AND LEAK CHECK OK REF B737-900 FIM TASK 36-11 TASK 803. GROUND VERIFICATION CHECK OK REF SAME.

Part: SHUTOFF VALVE — INOPERATIVE (NR 1 PNEUMATIC) · airframe 28,737 hrs · 9,242 cycles

DUCT PRESSURE DIFFERENTIAL AT CLIMB POWER GOES TO NEAR 0 DIFFERENTIAL AT CRUISE POWER. @10,000' CLIMB L-68PSI R-39PSI. FL330 CLIMB N1 100.2% L-66PSI R-39PSI. FL340 CLIMB 100.5% N1 L-57PSI R-42PSI. FL340 CRZ N1 88.7% L-44PSI R-43PSI. FL360 CRZ N1 88.4% L-40PSI R-40PSI. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 36-10 TASK 803 FOUND PRSOV STICKING & GRINDING DURING WRENCH CHECK, REMOVED AND REPLACED LH PRSOV PER B737-900 AMM 36-11-04 PRSOV INSTALLATION TEST CHECKS GOOD.

Part: BATTERY PACK — FAILED (EMERGENCY LIGHTS) · airframe 28,713 hrs · 9,233 cycles

R1 DOOR EMERGENCY LIGHTS DO NOT COME ON. GROUNDED - YES. REPLACED UNSERVICEABLE R1 DOOR EMERGENCY LIGHT BATTERY PACK WITH SERVICEABLE R1 DOOR EMERGENCY LIGHT BATTERY PACK, OPS CHK GOOD IAW B737-900 AMM 33-51-06-960-805 STEP 4.

Part: KEY — DETACHED (FMC) · airframe 28,536 hrs · 9,188 cycles

RIGHT SIDE FMC MCDU LINE SELECT BUTTON R3 DETACHED. GROUNDED - YES. REMOVED & REPLACED RIGHT SIDE FMC MCDU REF B737-900 AMM 34-61-01. OPS CHECK GOOD.

Part: MODULATING VALVE — INOPERATIVE (CABIN TEMP) · airframe 28,331 hrs · 9,120 cycles

FWD CABIN ZONE TEMP LIGHT ILLUMINATES DURING MASTER CAUTION RECALL LIGHT EXTINGUISHES WHEN MASTER CAUTION SYSTEM IS RESET. GROUNDED - YES. REMOVED AND REPLACED FWD CABIN TRIM AIR MODULATING VALVE PER B737-900 AMM 21-61-21-000-801 AND 21-61-21-400-801. OPS AND LEAK CHK GOOD.

Part: MODULATING VALVE — FAULTED (RT ECS) · airframe 28,184 hrs · 9,074 cycles

AIRCOND - ZONE TEMP CAUTION. GROUNDED - YES. REMOVED AND REPLACED ZONE TRIM AIR MODULATING VALVE POSITION. R/H FPX REF B737-900 AMM 21-61-21/401. PERFORMED PACK/ZONE TEMP CONTROLLER BITE TEST AMM TASK 21-61-00-700-806-002. OPS CHECK GOOD.

Part: LIGHT — BROKEN (L1 DOOR) · airframe 28,135 hrs · 9,057 cycles

FWD L-1 LWR EXIT EMERGENCY LT ASSY IS BROKEN. GROUNDED - YES. REMOVED AND REPLACED L1187 REF B737-900 WDM 33-51-21 AND OPS CKD NML REF B737-900 AMM 33-51-00.

Part: SIGN — DETACHED (EMERGENCY LIGHT) · airframe 28,135 hrs · 9,057 cycles

FWD L1 EXIT SIGN FELL OFF. GROUNDED - YES. REMOVED AND REPLACED L1187 REF B737-900 WDM 33-51-21 AND OPS CKD NML REF B737-900 AMM 33-51-00

Part: ELEMENT — ARCED (R1 WINDOW HEAT) · airframe 27,607 hrs · 8,896 cycles

WINDOW R1 HEATING ELEMENT ARCING AT SOLDER JOINT UPPER PORTION OF WINDOW TO RIGHT OF HANDHOLD. ARCING STOPPED ON TOUCHDOWN. GROUNDED - YES. REMOVED AND REPLACED NR .1 RT WINDOW REF B737-900 AMM 56-11-11/401. RELOCATED POWER LEAD AT IB 5012 TO TERMINAL NR 1 REF B737-900 WDM 30-41-12.

Part: WARNING LIGHT — FALSE ACTIVATION (LT A/C PACK) · airframe 27,559 hrs · 8,879 cycles

LEFT PACK ILLUM ON RECALL DURING DESCENT. GROUNDED - YES. ACCOMPLISHED BITE CHECK OF #1 PACK/ZONE TEMP CONTROLLER IAW B737-900 AMM 21-61-00-700-806-002. FOUND "INLET" SRADA FAULT. FAULT RESET UPON COMPLETION OF BITE CHECK OF CONTROLLER AND DID NOT RETURN. OK FOR SERVICE.

Part: CONTROL UNIT — FAULTED (L2 WINDOW HEAT) · airframe 27,016 hrs · 8,693 cycles

DURING CRUISE FLIGHT L2 WINDOW OVERHEAT LIGHT ILLUMINATED. WINDOW WAS COLD TO TOUCH. PERFORMED QRH PROCEDURE AND SELECTED HEAT BACK TO ON AFTER 5 MINUTES. HEAT ON LIGHT ILLUMINATED, BUT WINDOW NEVER FELT AS WARM AS L1. SEVERAL TIMES THE ON LIGHT CYCLED OFF AND ON BUT STILL NO SIGNIFICANT HEAT FROM THE WINDOW. CYCLING CONTINUED ON THE GROUND. OVERHEAT LIGHT DID NOT SUBSEQUENTLY ILLUMINATE. GROUNDED-YES. ACCOMPLISHED B737-900 FIM 30-41 TASK 801. BITE TEST PASSES. SENSOR FAULT LOGGED MULTIPLE TIMES IN FAULT HISTORY. ACCOMPLISHED FIM 30-41 TASK 811. SENSOR VALUE WITHIN LIMITS. ACCOMPLISHED B737-900 AMM 30-41-00-710-801. L2 WINDOW FAILED TO WARM UP TO MINIMUM TEMPERATURE. REMOVED & REPLACED WHCU. OPERATIONS CHECK, REF AMM 30-41-11.

Part: WARNING LIGHT — FALSE ACTIVATION (WINDOW OVERHEAT) · airframe 27,011 hrs · 8,691 cycles

LT SIDE WINDOW HEAT OVER HEAT LIGHT ILLUMINATED DURING DESCENT. ACCOMPLISHED WINDOW OVER HEAT ABNORMAL PROCEDURE IN QRH. OVERHEAT LIGHT REMAIN EXTINGUISHED. GROUNDED-YES. ACCOMP WINDOW HEAT OVERHEAT/POWER TEST, TEST PASS, REF B737-900 AMM 30-41-00-860-002.

Part: CONTROL UNIT — FAULTED (NR 2 ENGINE) · airframe 26,928 hrs · 8,659 cycles

AT CRUISE AT FL 360, MOMENTARY RED BOX AROUND N2 AND N1 VALUE FOR ENGINE 2 INDICATIONS. NO EXCEEDANCES OBSERVED. AFTER ENGINE SHUTDOWN AT THE GATE, THE NR 2 ENGINE N2 VALUE DISPLAY HAS A RED BOX AROUND IT. GROUNDED-YES. REF B737-900 FIM TASK 71-06 TASK 802, NR 2 ENGINE EXCEEDANCES PAGE SHOWS PREV FLT N2 RED LIMIT PEAK AT 91.3 AND RED AT 105.0 FOR 2.8 SEC, NR 2 EEC RECENT FAULTS PAGE SHOWS MESSAGE 73-20012,73-30102 AND 73-11282. C/W B737-900 AMM TASK 71-00-00-800-804-F00 STEP (2) THROUGH 2). ACCOMPLISHED BORESCOPE INSPECTION ON NR 2 ENGINE STAGES 1, 4, 8 HPC BLADES, PER AMM TASK 72-00-00-200-804-F00, NO DEFECTS FOUND. LEAK CHECK GOOD. ACCOMP AMM TASK 72-00-00-200-807-F00 HPT BLADES BORESCOPE. LEAK CHECK GOOD, NO DEFECTS. REMOVED AND REPLACED NR 2 ENGINE EEC, IAW AMM 73-21-60 / 401 FADEC SYSTEM TESTED OK. ACCOMP FIM 71-06 TASK 802 STEP F(1) POWER ASSURANCE CHECK, PER AMM 71-00-00-700-813-F00, ASSURANCE CHECK SATISFACTORY, NO FAULTS NOTED. ACCOMPLISHED FINAL STEPS OF FIM 71-06 TASK 802 F (A) EEC BITE TEST SUCCESSFUL, NO FAULTS NOTED. AMM TASK 71-00-800-804-F00 COMPLETED, NO FINDINGS. ALL FAULTS CLEARED. A/C OK FOR SERVICE.

Part: RECEPTACLE — CONTAMINATED (VBV ACTUATOR) · airframe 26,817 hrs · 8,624 cycles

WHILE ACCOMPLISHING T/C 78273000 FOUND SHORT TIME FAULT "MSG NBR: 75-30451, THE VBV POSITION SIGNALS DISAGREE" SET ON FLIGHT LEG 3. DEFERRED PER T/C 78273000. GROUNDED-YES. PERFORMED B737-900 FIM 75-32 TASK 803. NO FAULTS PRESENT OR IN FAULT HISTORY. BOTH VBV ACTUATORS AND HARNESSES J9 AND J10 TEST GOOD. FOUND NYLON BRUSH STRAND STUCK IN EEC J10 RECEPTACLE. STRAND REMOVED, NO OTHER FAULTS FOUND. PERFORMED REPAIR CONFIRMATION, PER FIM 75-32 TASK 803. OPERATIONS CHECKS GOOD. ETOPS GROUND VERIFICATION SUCCESSFUL.

Part: CONTROL VALVE — LEAKING (LT A/C PACK) · airframe 26,789 hrs · 8,615 cycles

LEFT PACK LIGHT DURING FLIGHT, EXTINGUISHES WHEN MASTER CAUTION RESET. GROUNDED-YES. CONFIRMED FAULT, LEFT PACK LIGHT ILLUMINATES ON RECALL. LT PACK/ZONE TEMP CONTROLLER BITE SHOWS "SRADA INLET" FAULT. REMOVED & REPLACED LT SRADA INLET ACTUATOR, REF AMM 21-51-21. ALSO, FOUND LT TCV 1 (V139) OVERHEATED & LEAKING. REMOVED & REPLACED TCV, REF AMM 21-51-10, LEAK CHECK & OPERATIONS CHECK NORMAL, REF AMM 21-61-00-700-806-002. ACCOMPLISHED ALTERNATE DEACTIVATION PROCEDURE, REF ASA MAINTENANCE PROGRAM CHAPTER 5, SECTION 5-07-01, TABLE 3, ITEM 1. REVERSED ALTERNATE DEACTIVATION PROCEDURE.

Part: DIFFUSER — DAMAGED (LT A/C PACK) · airframe 26,653 hrs · 8,575 cycles

LT PACK LIGHT ILLUMINATED ON GROUND WITH APU SUPPLYING AIR AFTER ABOUT 3 MINUTES. GROUNDED-YES. REMOVED LT PRIMARY HEAT EXCHANGER AND PLENUM/DIFFUSER. REPLACED DAMAGED DIFFUSER. REINSTALLED HEAT EXCHANGER AND PLENUM DIFFUSER. OPERATIONS CHECK GOOD, REF B737-900 AMM 21-51-03-400-804-002. RAN PACK FOR 30 MINUTES ON GROUND, OPERATIONS NORMAL. TEMP CONTROLLER BITE SHOWS NO FAULTS.

Part: WARNING LIGHT — FALSE ACTIVATION (RT A/C PACK) · airframe 26,361 hrs · 8,472 cycles

ON RECALL RT PACK LIGHT ILLUMINATED. GROUNDED - YES. ACCOMPLISHED PACK ZONE TEMP CONTROLLER BITE B737-900 AMM 21-61-00, GRD VERIFICATION SUCCESSFUL. OPS CHECK NORMAL.

Part: A/C PACK — MALFUNCTIONED · airframe 26,332 hrs · 8,464 cycles

SHORTLY AFTER REACHING TOP OF CLIMB THE MASTER CAUTION AND LEFT PACK LIGHTS ILLUMINATED. WE RAN THE QRH, WHICH ALLOWS A RESET AND THE PACK LIGHT WENT OUT. AROUND 3 MINS LATER IT CAME BACK, LEADING US TO SECURE THE PACK. LEFT PACK TEMP INDICATED MID 40'SC. AFTER ABOUT 20 MINS IT COOLED SIGNIFICANTLY. THE LEFT RAM DOOR FULL OPEN LIGHT NEVER WENT OUT. GROUNDED - YES. INITIAL EVALUATION: PACK LIGHT ILLUMINATED ON RECALL. RAN PZTC BITE, IAW B737-900 FIM 21-62 TASK 801. FOUND SRADA INLET LIT ON BIT FOR CONT 1/LT PACK. FOLLOWED B737-900 FIM 21-62 TASK 851, RESET SRADA MEMORY. PULLED AND RESET 3 CB PER FIM. RE-RAN PZTC BITE, NO FAULT FOUND. OPERATED PACK AS NORMAL FOR 15 MIN, IAW B737-900 AMM 21-00-00-800-803, ALTERNATING BETWEEN AUTO AND HIGH. OBSERVED RAM AIR DOOR MODULATING WHILE IN AIR MODE, IAW B737-900 AMM 32-09-00-860-801.

Part: ACTUATOR — INOPERATIVE (LT RAM AIR INLET) · airframe 26,305 hrs · 8,458 cycles

LEFT PACK ILLUMINATED ON RECALL, LIGHT EXTINGUISHES WHEN MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACED BOTH LT RAM AIR ACTUATORS, REF B737-900 AMM 21-51-21 AND 21-51-27. OPS CHECK GOOD AND BITE TEST GOOD, NO FAULTS AT THIS TIME.

Part: PUMP — FAILED (HYD SYSTEM) · airframe 26,289 hrs · 8,454 cycles

#2 ENG HYDRAULIC PUMP FAILED (LOW PRESSURE LIGHT REMAINS ON). GROUNDED - YES. REMOVED & REPLACED #2 ENG EDP, REPLACED CASE DRAIN FILTER, PRESSURE MODULE FILTER & RETURN FILTER, FLUSHED HYD B SYSTEM REF B737-900 AMM 29-11-00-170-801. LEAK & OPS CHECKED GOOD. #2 ENG EDP PRESSURE IS AT 2980 PSI.

Part: PUMP — FAILED (HYD SYSTEM) · airframe 26,279 hrs · 8,452 cycles

SYSTEM B HYDRAULIC FAILURE: STARTED WITH SYSTEM B ENG 2 LOW PRESSURE LITE - DID QRH FOR THAT - HYDRAULIC QTY % WENT DOWNT TO 8%, PRESSURE STAYED AT 2900 STARTED AROUND CLIMB OUT 25000 FT. GROUNDED - YES. AIR TURNBACK - DIVERSION TIME 25 MINUTES - REMOVED AND REPLACED #2 ENG HYDRAULIC EDP REF B737-900 AMM 29-11-11. FLUSHED THE B SYSTEM, REF AMM 29-11-00. REMOVED AND REPLACED THE EDP CASE DRAIN FILTER, PRESSURE MODULE FILTER, RETURN MODULE FILTER AND PTU PRESSURE FILTER. NO DEFECTS NOTED, LEAK CHECK GOOD. REF AMM 29-11-51, AMM 29-11-71, AMM 29-11-61 AND AMM 29-22-21.

Part: CONTROL VALVE — INOPERATIVE (LT A/C PACK) · airframe 26,233 hrs · 8,437 cycles

ON DESCENT WHEN RECALL WAS DEPRESSED THE LEFT PACK LIGHT ILLUMINATED. LIGHT EXTINGUISHED WHEN MASTER CAUTION LIGHT WAS RESET. GROUNDED - YES. CURRENTLY SYSTEM CHECKS GOOD AND THERE WERE NO LIGHTS AFTER HITTING RECALL. BUT THERE IS HISTORY SO REMOVED AND REPLACED TRIM MODULATING VALVE IAW B737-900 AMM 21-61-21-000-801 AND B737-900 AMM 21-61-21-400-801. ETOPS GROUND FUNCTIONAL CHECK GOOD IAW B737-900 AMM 21-61-00-700-806-002.

Part: WARNING MESSAGE — ILLUMINATED · airframe 26,223 hrs · 8,433 cycles

ON MASTER CAUTION RECALL PUSH THE LEFT PACK LIGHT ILLUMINATED. THE LIGHT WENT OUT WHEN MASTER CAUTION RESET WAS PUSHED. GROUNDED - YES. FOUND FAULT WITH RAM AIR EXHAUST FAULT AFTER PERFORMING PZTC BITE CHECK, PERFORMED PROCEDURES RESET DC PWR, SYSTEM OP CHECK GOOD IAW FIM 21-62 TASK 853, OK FOR SERVICE.

Part: TRANSCEIVER — FAILED (HF COMM) · airframe 26,104 hrs · 8,391 cycles

CANNOT TRANSMIT ON EITHER HF RADIO WITH HF/SAT SWITCHES IN HF, TRANSMITTING ON NR 1 AND LISTENS ON NR 2 AND VISE VERSA. CANNOT HEAR TRANSMISSION FROM ONE HF RADIO ON OTHER HF RADIO. GROUNDED - YES. HF NR 2 FAILED BITE TEST, NO LIGHTS ILLUMINATED, PER AMM 23-11-00-710-801. HF NR 2 TRANSCEIVER IS INOP, R+R HF NR 2 TRANSCEIVER PER AMM 23-11-21.

Part: LINK — WORN (BLEED Y-DUCT) · airframe 25,995 hrs · 8,356 cycles

WHILE ACCOMPLISHING A NR 2 ENGINE INLET INSPECTION IAW T/C 78472000, FOUND BLEED AIR Y-DUCT ATTACH LINK WORN. GROUNDED - YES. REPLACED THE BEARING IN Y-DUCT ATTACH LINK IAW PBU MANUAL 71-00-02.

Part: SENSOR — FAILED (SLIDING WINDOW) · airframe 25,989 hrs · 8,354 cycles

RIGHT SIDE WINDOW HEAT OVERHEAT DID NOT REOCCUR AFTER RESET. GROUNDED - YES. WHCU BITE SHOWS SENSOR FAULT FOR EVERY FLT LEG HISTORY. WINDOW HAS SPARE SENSOR ACTIVE, BOTH SENSOR READS NML RESISTANCE WITH COLD WINDOW, HOWEVER WITH HEAT APPLIED, RESISTANCE READS EXTREMELY HIGH FOR BOTH SENSORS REF B737-900 FIM 30-41 TASK 811 & B737-900 WDM 30-41-11. REMOVED AND REPLACED #2 RH OPENABLE WINDOW. OPS AND LEAK CHECK PASSED. REF B737-900 AMM 56-12-11-400-801 AND 30-41-710-801.

Part: UNKNOWN — MALFUNCTIONED (COCKPIT) · airframe 25,816 hrs · 8,292 cycles

AFTER LANDING VTK CYCLES ON AND OFF CAPT SIDE DU. THE FMC IS REMOVED FROM THE SELECTION IN MENU. GROUNDED - YES. RESET POWER TO AIRCRAFT. VTK MESSAGE EXTINGUISHED IN BOTH CAPT & F/O DU'S AND FMC PROMPT RESTORED TO CDU MENUS. FMC OPS NRML REF FIM 34-61 TASK 801, NO FAULTS REMAIN.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 25,789 hrs · 8,286 cycles

RIGHT SIDE WINDOW HEAT OVERHEAT IN DESCENT. PERFORMED QRH RESET AND ILLUMINATED AGAIN. GROUNDED - YES. ACCOMPLISHED FIM 30-41 TASKS 801 AND 809 IAW TECH SERVICE NOTE AND FOUND NO FAULTS.

Part: PLATFORM — WORN (NR 2 ENGINE FAN) · airframe 25,776 hrs · 8,283 cycles

NR 2 ENG FAN BLADE PLATFORM WEAR ON FWD LUG SURFACE "C" ON PLATFORMS 1, 2, 3, 4, 5, 6, 9, 11, 12, 15, 18, 19, 23, & 24. GROUNDED - YES. REPLACED THE NR 2 ENG FAN PLATFORMS REF T/C 78472010. REF T/C 78472010 STEP 1-E-5 FOR VIBE SURVEY.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 25,616 hrs · 8,231 cycles

PERFORMED TASK CARD 78273000. #1 ENG HAD SHORT TIME FAULT 75-30451 "THE VSV POSITION SIGNAL DISAGREE". GROUNDED - YES. (RESOLVED ON W/O: 1570220 TASKCARD: N/R-00001 ) ENGINE #1 EEC BITE SHOWS ONLY ONE OCCURRENCE OF 75-30451 IN PREVIOUS 10 FLIGHT LEGS. ACCOMPLISHED B737-900 FIM 75-32 TASK 803, INITIAL EVALUATION AND REPAIR CONFIRMATION OPS NORMAL, FAULT DOES NO RE-OCCUR. PLT CLEARED.

Part: ECU — FAILED (APU) · airframe 25,616 hrs · 8,231 cycles

APU CT5ATP EGT HAS SHIFTED ABOVE THE 593 DEGREE THRESHOLD BUT REMAINS BELOW THE 605 THRESHOLD. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 49-40 TASK 825. FOUND ECU INTERNAL FAILURE MAINT MSG 49-61153 ON MAINTENANCE HISTORY. FAULT HISTORY SHOWS DOOR NOT OPEN FAULT WITH MAINTENANCE MESSAGE 49-15003. DURING APU START UP ECU INTERNAL FAILURE IS LOGGED WITH CT5ATP TEMP FLUCTUATING 3 DEGREES C. REPLACED APU ECU REF B737-900 AMM 49-61-12-000-801. VERIFIED SOFTWARE 4918YUSA53-00 INSTALLED REF B737-900 IPC 49-61-12-01 FIG. 10. OPS CHECK NORMAL.

Part: UNKNOWN — MALFUNCTIONED (WINDOW HEAT) · airframe 25,383 hrs · 8,163 cycles

WINDOW HEAT RIGHT SIDE OVERHEAT IN FLIGHT AT 17,000 FEET. GROUNDED - YES. ACCOMPLISHED RESET PROCEDURE PER QRH. RESET OK AFTER 5 MINUTES.

Part: CONTROL VALVE — INTERMITTENT (AC BAY) · airframe 25,303 hrs · 8,141 cycles

ON RECALL RT PACK LIGHT ILLUMINATED QRH PERFORMED. LIGHT EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. #2 PZTC BITE PREV FLT LOGGED "THIS PACK TCV" FAULT. REF B737-900 FIM 21-62 TASK 831. REMOVED AND REPLACED RIGHT TCV V141. PZTC BITE AND RIGHT PACK OPS CHECKED GOOD.

Part: WARNING LIGHT — FALSE ACTIVATION (RT A/C PACK) · airframe 25,184 hrs · 8,109 cycles

RT PACK LIGHT ON WITH RECALL. EXTINGUISHED WITH MASTER CAUTION RESET. GROUNDED - YES. PERFORMED PZTC BITE IAW B737-900 FIM 21-62 TASK 801 ON ZONE TEMP CONTROLLER 2. PREV FLT SHOWS THIS PACK TCV FAULT. NO CURRENT FAULTS. RAN R/H PACK AT VARYING TEMPS FOR 10 MINUTES, NO LIGHTS ILLUMINATED, NO LIGHTS ON RECALL. PZTC BITE PASSES WITH NO RED LIGHTS.

Part: WARNING LIGHT — FALSE ACTIVATION (RT WINDOW HEAT) · airframe 25,146 hrs · 8,100 cycles

RIGHT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED ON DESCENT AT 5000 FEET GROUNDED - YES. COMPLIED WITH QRH PROCEDURE OVERHEAT LIGHT REMAINED EXTINGUISHED AFTER SELECTING IT BACK.

Part: WARNING LIGHT — FALSE ACTIVATION (LT A/C PACK) · airframe 24,404 hrs · 7,901 cycles

ON RECALL LEFT PACK LIGHT ILLUMINATED. GROUNDED - YES. ACCOMPLISHED PACK/ ZONE TEMP CONTROLLER BITE GROUND VERIFICATION SUCCESSFUL AMM 21-61-00.

Part: NOZZLE — FAILED (APU FUEL INJECT) · airframe 24,302 hrs · 7,871 cycles

APU TREND DATA SHOWS CT5ATP TEMP IS AT OR ABOVE THE THRESHOLD 605 DEGREES. GROUNDED - YES. REPLACED FUEL NOZZLES, P2, T2, PT, & DP SENSORS. LEAK CHECK GOOD. NO FAULTS. MONITORING CT5ATP CONTINUED. PER TECH SERVICES CT5ATP TEMP HAS RETURNED TO NORMAL.

Part: UNKNOWN — UNKNOWN (APU GENERATOR) · airframe 24,269 hrs · 7,859 cycles

AFTER APU START, APU ELEC SHOWS NO VOLTS OR FREQ. BLUE APU AVAIL LIGHT IS ON. GROUNDED - YES. COULD NOT DUPLICATE. SWAPPED APU GCU AND #1 ENGINE GCU. BOTH SYSTEMS OP'ED NORMAL. RETURNED GCU'C TO ORIGINAL POSITIONS. BOTH #1 ENGINE GENERATOR AND APU GENERATOR OP NORMAL REF B737-900 AMM 24-21-00.

Part: FMC — MALFUNCTIONED (RIGHT) · airframe 24,127 hrs · 7,822 cycles

FMC-R FAIL. GROUNDED - YES. RESET CB D15 D16 PERFORMED B737-900 FIM 34-61-00-810-801 NO FAULT FOUND TEST OK O/C OK TO CONTINUE- FMC-R TESTED ALL OK.

Part: HEAT EXCHANGER — LEAKING (NR 2 ENG OIL) · airframe 23,990 hrs · 7,781 cycles

#2 ENGINE LEAKING FUEL. GROUNDED - YES. ALTERNATE DEACTIVATION PROCEDURE USED CHAPTER 5 TABLE 3 ITEM 8. REMOVED AND REPLACED #2 ENG MAIN OIL/FUEL HEAT EXCHANGER AND SERVO FUEL REF B737-900 AMM 79-21-02-400-801-F00 & AMM 73-11-07-400-801-F00. TEST 3A PASSED NO LK'S NOTED GROUND VERIFICATION CK'S GOOD. ALTERNATE DEACTIVATION PROCEDURE REVERSED CLEARED PLT.

Part: GENERATOR — INOPERATIVE (APU) · airframe 23,912 hrs · 7,756 cycles

APU GENERATOR INOP. GROUNDED - YES. REMOVED AND REPLACED APU STARTER GENERATOR REF B737-900 AMM 49-41-21. OPS CHECK GOOD. CLEARS MEL 24-2B.

Part: SPINNER — WORN (NR 2 ENGINE) · airframe 23,902 hrs · 7,753 cycles

#2 ENGINE FRONT SPINNER MISSING MORE THAN 50% WHITE PAINT. GROUNDED - YES. REMOVED AND REPLACED #2 FRONT SPINNER, REF T/C 78472010.

Part: UNKNOWN — MALFUNCTIONED (APU) · airframe 23,905 hrs · 7,754 cycles

APU, NO ELECTRICAL AVAILABLE. GROUNDED - YES. BLUE PWR AVAIL LIGHT IS ON BUT NO VOLTS / FREQS SHOWING AND WILL NOT GO ONLINE. SHUT DOWN APU AND CYCLED GCU C/B'S (GCU TESTED NML). APU STARTED AND CAME ONLINE, CKS NML REF B737-900 AMM 24-21-00. GND VERIFICATION SUCCESSFUL.

Part: CONNECTOR — DAMAGED (NR 2 ENGINE) · airframe 23,902 hrs · 7,753 cycles

ENGINE #2 MW0312 HARNESS PLUG DP1102 DAMAGED. GROUNDED - YES. REPLACED #2 ENGINE MW0312 FAN HARNESS IAW B737-900 AMM 71-51-03/401. GROUND VERIFICATION TEST IS GOOD.

Part: ENGINE — CORRODED (LEFT) · airframe 23,707 hrs · 7,704 cycles

#1 ENG INLET AND FAN BLADES- DETAILED INSPT.FOUND 11 EACH NUTPLATES FOR AFT ACOUSTICAL PANELS THAT HAVE CORROSION ON O/B SIDE OF FAN FRAME CASE. ( CORROSION IS ON FAN FRAME CASE). LOCATED AT 3 OCLOCK PANEL, 4 OCLOCK PANEL, 5 OCLOCK PANEL. AND 10 OCLOCK PANEL. ALL NUT PLATES MARKED. GROUNDED - YES. #1 ENGINE REPLACED.

Part: WARNING MESSAGE — FALSE ACTIVATION (WINDOW HEAT) · airframe 23,636 hrs · 7,684 cycles

RH SIDE WINDOW OVERHEAT STAYS ILLUMINATED AFTER RUNNING CHECK LIST. GROUNDED - YES. RIGHT SIDE WHCU BITE VERIFY TEST GOOD. WHCU FAULT HIST LOGGED NUMEROUS WINDOW SENSOR FAULTS. DUE TO DEFECT HIST, AT R2 WINDOW, MOVED TERMINAL TO SPARE SENSOR PER B737-900 FIM TASK 30-41 TASK 811. RIGHT SIDE WINDOW HEAT OPS TESTED NORMAL. WHCU BITE TESTED GOOD.

Part: WARNING LIGHT — FALSE ACTIVATION (WINDOW HEAT) · airframe 23,628 hrs · 7,682 cycles

ON ORS INTO BOS @ APPROX 20,000 GOT R SIDE WINDOW OVERHEAT LIGHT. TURNED OFF FOR A FEW MINUTES AND BACK ON. OVERHEAT LT RE-ILLUMINATED. GROUNDED - YES. C/W B737-900 FIM 30-41 TASK 813 P5-9 CONTROL PANEL FAULT. RESET FAULT. ACCOMPLISHED WHCU BITE PROCEDURE IAW FIM 30-41 TASK 801. OPS NORMAL.

Part: WARNING MESSAGE — FALSE ACTIVATION (R2 WINDOW) · airframe 23,577 hrs · 7,666 cycles

DURING DESCENT R2 WINDSHIELD OVERHEAT. GROUNDED - YES. RAN QRH PROCEDURE AND OPERATES NORMAL.

Part: FMC — MALFUNCTIONED (CAPTAIN'S) · airframe 23,514 hrs · 7,645 cycles

APPROACHING SFO AT CREAN INTERSECTION, VTK FLAG WAS DISPLAYED ON CAPTAIN SIDE, FOLLOWED BY CAPT MAP FLAG. BOTH CDUS WENT BLANK AS EXPECTED. AFTER 3 MINUTES, VTK FLAG AND CAPT MAP FLAG WERE NO LONGER DISPLAYED AND THE WHOLE SYSTEM RESTORED ITSELF WITHIN 5 MINUTES. GROUNDED - YES. PERFORMED B737-900 FIM 34-61 TASK 836. FIM TASK CONFIRMED FAULT WAS INTERMITTENT. NO FURTHER DEFECTS AT THIS TIME.

Part: FMC — MALFUNCTIONED (COCKPIT) · airframe 23,432 hrs · 7,621 cycles

LEFT FMC FAILED MULTIPLE TIMES IN FLIGHT. VTK, MAP, A/T LIMIT MESSAGES INDICATED. FOLLOWED QRH PROCEDURE AND RESTORED BOTH FMCS. LEFT FMC FAILED MULTIPLE TIMES AGAIN WITHIN 15-20 MINUTES. FOLLOWED QRH PROCEDURE TO "FMC BOTH ON R" PROCEDURE AND CONTINUED FLIGHT. GROUNDED - YES. PERFORMED FIM 34-61 TASK 801 - W/300 FAULT CODE ENTERED, LAST FLT SHOWED "PGM FAULT". PERFORMED FIMS' 34-61 TASK 807 AND 836. INTERMITTENT FAULT. INITIAL EVALUATIONS GOOD.

Part: UNKNOWN — MALFUNCTIONED (ELECTRICAL SYS) · airframe 23,336 hrs · 7,591 cycles

APU GEN BUSES WILL NOT COME ON LINE WHEN SELECTED. GROUNDED - YES. PERFORMED OPS TEST FOR THE AC GENERATION AND CONTROL SYSTEM IAW AMM 24-24-00-700-803 STEPS 2A THROUGH 2E(Z)(4). BOTH APU BUS TIES OPERATE NORMALLY. NO FAULTS NOTED. NO CHANGES TO AIRCRAFT CONFIGURATION. PLACARDS REMOVED. SEAMC NOTIFIED.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 23,308 hrs · 7,579 cycles

WINDOW HEAT OVERHEAT LIGHT ILLUMINATED RIGHT SIDE. GROUNDED - YES. PERFORMED RESET PROCEDURE PER QRH CHECKLIST. OVERHEAT LIGHT WENT OUT.

Part: COUPLER — FAILED (HF COMM) · airframe 23,290 hrs · 7,570 cycles

#2 HF WILL NOT TRANSMIT. GROUNDED - YES. REMOVED AND REPLACED #2 HF ANTENNA COUPLER PER AMM TASK 23-11-61-000-801/23-11-61-400-801. INSTALLATION AND GROUND OPERATIONAL TEST SUCCESSFUL.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 23,269 hrs · 7,565 cycles

RIGHT SIDE WINDOW OVERHEAT, RAN QRH. OVERHEAT LIGHT REMAINED EXTINGUISHED UPON RE-ACTIVATION. INFO-ONLY. GROUNDED - YES. INFO NOTED. CONFIRMED RIGHT SIDE WINDOW HEAT LIGHT WORK AS NORMAL. WINDOW HEAT LIGHT TURNS ON AND OFF WITH SWITCH AND OVERHEAT LIGHT DOES NOT ILLUMINATE. REF. AMM 30-41-00.

Part: PUMP — LEAKING (NR 2 FUEL) · airframe 23,132 hrs · 7,523 cycles

RAMP REPORTS POSSIBLE FUEL LEAK #2 ENGINE. GROUNDED - YES. FOUND FUEL STATIC LEAK OF FUEL PUMP DRAIN MAST ON #2 ENGINE. MUST BE CORRECTED W 25FC. DRIP RATE 20 DPM. REMOVED AND REPLACED #2 ENGINE FUEL PUMP REF B737-900 AMM 73-11-01-400-801-F00. OPS, LEAK CHECKS GOOD. NO LEAKS NOTED. EEC BITE CHECKS, NO FAULTS. CLEARS PLT.

Part: CONTROLLER — FAILED (A/C PACK TEMP) · airframe 23,027 hrs · 7,492 cycles

L PACK LT ON DURING RECALL AT TOP OF DESCENT (FL 340) LIGHT RESET WITH MC RESET. NO ISSUES CONTROLLING PACK TEMPS. GROUNDED - YES. REMOVED AND REPLACED RT PACK/ZONE TEMPERATURE CONTROLLER IAW AMM 21-61-20. OPS TEST OK.

Part: WARNING LIGHT — FALSE ACTIVATION (LT A/C PACK) · airframe 22,983 hrs · 7,482 cycles

LEFT PACK LIGHT ILLUMINATES DURING RECALL. IT DOES RESET. GROUNDED - YES. PERFORMED B737-900 FIM 21-62 TASK 801. FOUND NO CURRENT FAULTS. NO FLIGHT FAULT HISTORY. PERFORMED SUPPLY AIR CONDITIONING WITH L/H PACK AND NO FAULTS FOUND PER B737-900 AMM 21-00-00-800-803. PERFORMED FIM 21-62 TASK 801 AND FOUND NO FAULTS. COULD NOT DUPLICATE PROBLEM.

Part: WARNING MESSAGE — FALSE ACTIVATION (LT A/C PACK) · airframe 22,858 hrs · 7,447 cycles

LEFT "PACK" LIGHT ILLUMINATED ON MASTER CAUTION RECALL. GROUNDED - YES. #2 ZONE CONTROLLER HAD 'STANDBY PACK' FAULT LOGGED. FAULT CLEARED & CKS GOOD PER B737-900 AMM 21-61-00, GND VERIFICATION SUCCESSFUL.

Part: TERMINAL — BROKEN (APU) · airframe 22,401 hrs · 7,318 cycles

APU CT5ATP EGT HAS SHIFTED ABOVE THE 593 DEGREE THRESHOLD AND REMAINS BELOW THE 605 THRESHOLD. ERRONEOUS INLET TEMP OR PRESSURES ARE SUSPECT. GROUNDED - YES. REMOVED AND REPLACED APU INLET TEMP SENSOR REF B7237-900 AMM 49-61-31. DURING INSTALL OF CANNON PLUG P21, GROUND WIRE TERMINAL BROKE OFF OF BACKSHELL. REMOVED AND REPLACED GROUND WIRE TERMINAL ON BACKSHELL OF CONNECTOR P21 REF SWPM 20-30-11. REMOVED INLET PRESSURE SENSOR REF AMM 49-52-31 AND INSPECTED ORIFICE W/ NO DEFECTS NOTED. ALSO APPLIED PRESSURIZED AIR TO ORIFICE W/ NO DEFECTS NOTED. REINSTALLED INLET PRESSURE SENSOR REF AMM 49-52-31. APU BITE AND OPS CHECK GOOD.

Part: FLOOR SUPPORT — CORRODED (BS 867-887) · corrosion level 2 · airframe 22,363 hrs · 7,304 cycles

AFT CARGO COMPARTMENT FLOOR STRUCTURE R/H TRANSITION STRIP HAS MULTIPLE AREAS OF CORR FROM STA. 867 TO STA 887. GROUNDED - YES. REMOVED CORR FOUND TO BE OUT OF LIMITS IAW B737 NG SRM 53 00 53 1A 2 FABRICATED AND INSTALLED NEW TRANSITION PANEL IAW B737 NG SRM 51 40 05 0G 0 FIG 2 AND B737 SRM 51 40 02 0G 0 W 2.0 O .04 R .02 L 3 D .02.

Part: FLOOR SUPPORT — CORRODED (BS 727-807) · corrosion level 2 · airframe 22,363 hrs · 7,304 cycles

AFT CARGO COMPARTMENT L/H TRANSITION STRIP HAS MULTIPLE AREAS OF CORR FROM STA 807 TO STA 727I. GROUNDED - YES. REPAIRED AFT CARGO L/H TRANSITION STRIP IAW 737 900 EA SRM 53 00 53 2R 5 W 1.5" O .040" R .032" L 8" D .008".

Part: FLOOR SUPPORT — CORRODED (BS 727) · corrosion level 2 · airframe 22,363 hrs · 7,304 cycles

AFT CARGO COMPARTMENT FLOOR STRUCTURE L/H TRANSITION STRIP HAS MULTIPLE AREAS OF CORR FROM STA 727I TO 727C. GROUNDED - YES. REPAIRED AFT CARGO L/H TRANSITION STRIP IAW 737 900 ER SRM 53 00 53 2R 5 W 1.5" O .040" R .026 L 10" D .014".

Part: FLOOR SUPPORT — CORRODED (BS 727-767) · corrosion level 2 · airframe 22,363 hrs · 7,304 cycles

AFT CARGO COMPARTMENT FLOOR STRUCTURE R/H TRANSITION STRIP HAS MULTIPLE AREAS OF CORR FROM STA 727I TO STA 727D. GROUNDED - YES. R/H TRANSITION PANEL FOUND TO BE OUT OF LIMITS, REPLACED WITH NEW PANELS FROM STA 727 +4 TO STA 767 IAW B737 900 SRM 53 00 53 2R 5 W 2.25" O .040 R .028 L 3" D .012.

Part: FLOOR SUPPORT — CRACKED (BS 344-360) · airframe 22,363 hrs · 7,304 cycles

FWD PAX COMPARTMENT FLOOR STRUCTURE WET AREA INTERCOSTAL IS CRACKED AT STA. 360 TO STA 344, LBL 12. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL AT F/S 360 - F/S 344, LBL12, PER B737 900 SRM 51 40 02 0G 0.

Part: FLOOR SUPPORT — CRACKED (BS 344-360) · airframe 22,363 hrs · 7,304 cycles

FWD PASS COMPARTMENT FLOOR STRUCTURE WET AREA INTERCOSTAL IS CRACKED AT STA. 360 TO STA 344, BL 0. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL AT F/S 360 - F/S 344 BL0 PER B737 900 ER SRM 51 40 02 0G 0.

Part: FMC — MALFUNCTIONED (RIGHT) · airframe 22,066 hrs · 7,219 cycles

MOMENTARY FAILURE OF RIGHT FMC WITH VTK ON FO NAV DISPLAY. RESET ITSELF WITHIN ONE MINUTE. GROUNDED - YES. PERFORMED B737-900 FIM 34-61-00-810-836. OPS NML.

Part: HF COMM — MALFUNCTIONED (NR 1) · airframe 21,923 hrs · 7,183 cycles

HF 1 SEEMS TO TRANSMIT FINE BUT RECEIVE IS VERY WEAK AND OCC. UNREADABLE. HF 2 WORKS FINE. GROUNDED - YES. ACCOMPLISHED HF RADIO CHECK PER B737-900 FIM 23-11-806. SUCCESSFUL GROUND VERIFICATION ACCOMPLISHED. HF 1 CHECKS NORMAL.

Part: OIL FILTER — CLOGGED (APU) · airframe 21,918 hrs · 7,182 cycles

WHILE ACCOMPLISHING TASK CARD N8349002 FOUND APU OIL FILTER RED INDICATOR EXTENDED. REQUIRES OIL FILTER INDICATOR SERVICING. GROUNDED - YES. ACCOMPLISHED OIL FILTER INDICATOR SERVICING REF B737-900 AMM 49-91-13. OPS AND LEAK CHECK GOOD.

Part: FMC — MALFUNCTIONED (COCKPIT) · airframe 21,607 hrs · 7,101 cycles

RIGHT FMC FAIL FOR ABOUT 30 SECONDS AT CRUISE. OPS NORMAL AFTER THAT. GROUNDED - YES. RESET SYSTEM, OPS CHECK GOOD IAW AMM 34-61-00-710-801.

Part: DISPLAY — MALFUNCTIONED (COCKPIT) · airframe 21,535 hrs · 7,084 cycles

LT CDU WENT BLANK THEN QUICKLY CAME BACK, NO FUTHER ISSUE IN FLT. GROUNDED - YES. ACCOMP OPS CK PER AMM 34-61-00, SYS OPS CKS NML.

Part: UNKNOWN — MALFUNCTIONED (AUTOPILOT SYS) · airframe 21,436 hrs · 7,053 cycles

FIRST OFFICER FD FLAG DISPLAYED. GROUNDED - YES. DFCS SHOWS NO B CHANNEL. FOUND AFCS SYS B FCC DC C/B ON P6-3 OUT. ACCOMPLISHED C/B RESET REF AMM 20-60-01. OPS CHECK NORMAL REF AMM 22-11-33/401. BITE TEST GROUP 35. GROUND VERIFICATION TEST GOOD.

Part: ACTUATOR — FAILED (LEFT RAM AIR) · airframe 21,044 hrs · 6,944 cycles

ON RECALL LEFT PACK LIGHT ILLUMINATES, EXTINGUISHES ON RESET. GROUNDED - YES. REMOVED AND REPLACED LEFT RAM AIR EXHAUST ACTUATOR REF B737-900 AMM 21-51-27/401. OPS CHECK GOOD.

Part: FMC — MALFUNCTIONED (COCKPIT) · airframe 21,035 hrs · 6,938 cycles

ON CLIMB OUT AT 21,000 DUAL FMC FAILURE WITH VTK AND MAP FLAGS ON CAPTAIN'S SIDE. RESTORED AFTER 1 MINUTE WITHOUT CREW ACTION. GROUNDED - YES. LT FMC SHOWED L-DATE FAULT CAUSED REBOOT IN FLIGHT. REF FIM 34-61 TSK 801 & 829 REBOOTED LT FMC NORM OPS RESTORED & NO CURRENT FAULTS. FMC BITE TEST OK.

Part: SATCOM — LOCKED (COCKPIT) · airframe 20,936 hrs · 6,905 cycles

ON POWER TRANSFER (EXTERNAL TO SHIP) SAT PROMPT MISSING FROM MCDU MENU. GROUNDED - YES. PERFORMED SATCOM LOCK-UP PER QRH, OPS NORMAL.

Part: ACTUATOR — FAILED (LT RAM AIR) · airframe 20,912 hrs · 6,898 cycles

LEFT PACK LIGHT ILLUMINATED AT CRUISE FL 360. RESET NORMALLY AS PER QRH. GROUNDED - YES. REPLACED THE LEFT RAM AIR DOOR ACTUATOR PER AMM 21-51-21. OPS CK NORMAL.

Part: BRAKE ASSY — FAILED (NR 2 ENGINE) · airframe 20,872 hrs · 6,886 cycles

REPORTS OF NR 2 ENGINE FAIL MESSAGE AT ENGINE SHUTDOWN. GROUNDED - YES. REMOVED & REPLACED NR 2 ENGINE START BRAKE ASSY REF AMM TASK 76-11-10. ACCOMPLISHED ALTERNATE DEACTIVATION PROCEDURE REF MAINTENANCE PROCEDURE CHAPTER 5, SECTION 5-07-01, TABLE 3, ITEM 1. REVERSED ALTERNATE DEACTIVATION PROCEDURE. ALSO, ACCOMPLISHED EEC TEST REF AMM 73-21-00-700-804-F00, ENGINE FUEL SPAR VALVE CONTROL/INDICATION TEST REF AMM 28-22-00-710-801 & EEC DISCRETE TEST REF AMM 73-21-00-700-809-F00, OPS CK NML.

Part: BRAKE — FAILED (START SYSTEM) · airframe 20,875 hrs · 6,888 cycles

ON SHUTDOWN OF NR 2 ENGINE, THE DISPLAY INDICATED "ENGINE FAIL". GROUNDED - YES. REMOVED & REPLACED NR 2 ENGINE START BRAKE ASSY REF AMM TASK 76-11-10. OPS CK NML.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 20,873 hrs · 6,887 cycles

ON SHUTDOWN OF NR 2 ENGINE THE DISPLAY INDICATED AN "ENG FAIL". GROUNDED - YES. ACCOMPLISHED FIM 73-05 TASK 805, OPS CHECKS GOOD ALL ENGINE INDICATIONS NORMAL.

Part: HEAT EXCHANGER — DIRTY (AC BAY) · airframe 20,861 hrs · 6,882 cycles

DESCENT CHECKLIST, WE PRESSED RECALL AND THE LEFT PACK LIGHT ILLUMINATED. IT RESET WHEN RECALL WAS RESET. GROUNDED - YES. ACCOMPLISHED LT/RT PRIMARY AND SECONDARY HEAT EXCHANGERS WASH REF TASK CARD 78121000. GROUND VERIFICATION SUCCESSFUL. THIS CLEARS MEL 21-32B.

Part: UNKNOWN — MALFUNCTIONED (COCKPIT) · airframe 20,818 hrs · 6,870 cycles

FO AUTO PILOT IN USE 1.5 HOURS INTO FLT, FO FMC FAIL VTRK INDICATED. GROUNDED - YES. SWITCHED TO CA AUTO PILOT AND FMC RETURNED TO NORMAL OPS BEFORE WE COULD RUN QRC. SWITCHED BACK TO FO AP AND OPS CKS GOOD. BOTH FMCS NORMAL ON POS PAGE 3 FMC SELECTOR REMAINED IN NORMAL THROUGHOUT FLIGHT.

Part: UNKNOWN — MALFUNCTIONED (COCKPIT) · airframe 20,813 hrs · 6,868 cycles

AFTER 4 HRS OF CRUISE FLIGHT, CAPT'S N.D. SHOWED AMBER "VTK" AND OTHER SIGNS OF L FMC FAILURE. AFTER RUNNING QRH PROCEDURE (FMC SELECTOR TO BOTH ON R) BOTH FMCS OPERATED NORMALLY. GROUNDED - YES. PERFORMED FIM 34-61 TASK 801, NO INFLIGHT OR SENSOR FAULTS SHOWN. AIRCRAFT SHOWS NO HISTORY LAST 30 DAYS.

Part: ACTUATOR — FAILED (RAM AIR INLET) · airframe 20,753 hrs · 6,852 cycles

LEFT PACK LIGHT ILLUMINATED, EXTINGUISHES UPON RESET. GROUNDED - YES. ACCOMPLISHED LEFT AND RIGHT PACK ZONE TEMP CONTROLLER BITE. REFERENCE FIM 21-62 TASK 801. DURING BITE TEST BOTH LEFT FORWARD AND LEFT AFT SRADA ACTUATORS LOGGED FAULT. REMOVED AND REPLACED LEFT RAM AIR INLET ACTUATOR REFERENCE AMM 21-51-21-000-801 AND 21-51-21-400-801. OPERATED LEFT PACK REFERENCE AMM 21-00-00/201. PACK LIGHT REMAINS OFF.

Part: WARNING LIGHT — FALSE ACTIVATION (LT A/C PACK) · airframe 20,719 hrs · 6,843 cycles

LH PACK LIGHT ILLUMINATED ON RECALL EXTINGUISHED ON RESET. GROUNDED - YES. ACCOMPLISHED PACK/ZONE CONTROLLER BITE. #1 CONTROLLER LOGGED "SRADA EXIT FAULT", VERIFICATION TEST CLEARED FAULTS, NO FURTHER DISCREPANCIES NOTED REF B737-900 AMM 21-61-00.

Part: CONTROLLER — MALFUNCTIONED (CABIN PRESSURE) · airframe 20,685 hrs · 6,835 cycles

AUTO FAIL LIGHT ON. GROUNDED - YES. RESET CONTROLLER PERFORMED DCPC BITE - NO FAULTS NOTED REF B737-900 FIM 21-31 TASK 827.

Part: FMC — MALFUNCTIONED · airframe 20,644 hrs · 6,821 cycles

DURING PRE-FLIGHT, RECEIVED "FMC DISAGREE" MSG ON CDU. GROUNDED - YES. PERFORMED FMC DISAGREE QRH CHECKLIST. FMC DISAGREE MESSAGE DID NOT APPEAR. RE-PERFORMED FMC PREFLIGHT PER THE QRH. *INFO ONLY WRITE-UP PER QRH*.

Part: CONTROL VALVE — FAULTED (LT A/C PACK) · airframe 20,607 hrs · 6,811 cycles

AFTER STARTING BOTH ENGINES AND RUNNING AFTER START CHECKLIST, THE LEFT PACK LIGHT ILLUMINATED UPON SYSTEM RECALL, AND EXTINGUISHED UPON PRESSING MASTER CAUTION RESET. GROUNDED - YES. PERFORMED BITE OF #1 CONTROLLER, FAULTED TCV ON PREV FLT. VERIFY PASSSED AND RESET REF B737-900 FIM 21-62 TASK 801. REMOVED AND REPLACED LEFT PACK TEMP CONTROL VALVE. GROUND VERIFICATION CK AND LEAK CK GOOD REF B737-900 AMM 21-51-10-000-801 AND 21-51-10-400-801. ACCOMPLISHED LEFT PACK #1 CONTROLLER BITE PROCEDURE, TEST PASS NO FAULTS NOTED. REF FIM TASK 21-62 TASK 801.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 20,571 hrs · 6,797 cycles

UPON MASTER CAUTION RECALL LEFT PACK LIGHT ILLUMINATES. GROUNDED - YES. ACCOMPLISHED PZTC BITE, NR 1 CONTROLLER FAULTED "THIS PACK TCV" FOR BIT & PREV FLT. FAULT CLEARED ON VERIFY. RAN PACKS, ACCOMPLISHED PZTC BITE, NO FAULTS FOUND.

Part: ACTUATOR — INTERMITTENT (RAM AIR INLET) · airframe 20,549 hrs · 6,790 cycles

LEFT RAM DOOR FULL OPEN LIGHT ILLUMINATED DURING CRUISE & REMAINED ON FOR DURATION OF FLIGHT. GROUNDED - YES. DUE TO DEFECTS HISTORY, REMOVED AND REPLACED AFT SRADA ACTUATOR IAW AMM 21-51-27/401 AS A PRECAUTIONARY. BOTH PZTC BITE TESTED GOOD. LEFT PACK OPS CHECKED NORMAL ON GND.

Part: ANTI-ICE VALVE — INTERMITTENT (NR 1 ENGINE) · airframe 20,429 hrs · 6,753 cycles

NR 1 COWL ANTI-ICE ILLUMINATES ON ENGINE RUN UP AT APPROXIMATELY 80% N1. GROUNDED - YES. REMOVED AND REPLACED NR 1 ENGINE TAI VALVE PER AMM 30-21-11. GROUND VERIFICATION ACCOMPLISHED PER AMM 30-21-11/400.

Part: VALVE — FAILED (COCKPIT TEMP) · airframe 20,386 hrs · 6,743 cycles

ON RECALL CONT CAB ZONE TEMP LIGHT. GROUNDED - YES. PERFORMED BITE REF B737-900 AMM 21-61-00-700-806-002, SHOWS FLT DECK TRIM VALVE FAULT. REMOVED AND REPLACED FLIGHT DECK TRIM VALVE REF AMM 21-61-21-400-801, FLT DECK TRIM VALVE OPERATES, BITE, AND LEAK CHECK GOOD. GROUND VERIFICATION SUCCESSFUL.

Part: INDICATOR — MISSING (PRESSURE SWITCH) · airframe 20,223 hrs · 6,699 cycles

APU HAS A HISTORY OF OIL SERVICING CURRENT OIL CONSUMPTION IS HIGHER THAN EXPECTED. GROUNDED - YES. UPON OPENING OF APU COWLING FOUND OIL LEAKING FROM THE DIFFERENTIAL PRESSURE INDICATOR, DELTA P INDICATOR WAS MISSING, WHICH CAUSE THE HIGH APU OIL CONSUMPTION. REMOVED AND REPLACED DIFFERENTIAL PRESSURE INDICATOR REF B737-900 AMM 49-91-13.

Part: IGNITION UNIT — FAILED (APU) · airframe 19,932 hrs · 6,619 cycles

APU FAULT LIGHT CAME ON AND WOULD NOT RESET. GROUNDED - YES. REMOVED AND REPLACED APU IGNITION UNIT AND LEAD. OPS CHECK GOOD. REFERENCE APPLICABLE STEPS IN AMM 49-41-31 AND 49-41-52.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 19,814 hrs · 6,588 cycles

RIGHT PACK LIGHT ILLUMINATED DURING RECALL ON AFTER START CHECKLIST. LIGHT WENT OUT AFTER PRESSING RESET MC. GROUNDED - YES. ACCOMPLISHED FIM 21-53 TASK 804. OPS CHECK NORMAL. NO PREVIOUS HISTORY.

Part: ACTUATOR — FAILED (LT RAM AIR) · airframe 19,604 hrs · 6,522 cycles

LEFT PACK LIGHTS ILLUMINATES ON RECALL, RESETS ON MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACED LT FWD RAM AIR INLET ACTUATOR REF AMM 21-51-21. OPS CHECK NORMAL. PERFORMED BITE TEST ON LEFT AND RIGHT PACK/ZONE TEMP CONTROLLERS REF AMM 21-61-00-700-806-002. NO FAULTS FOUND. RAN SYSTEM FOR 40 MINUTES ON BOTH HOT AND COLD SETTINGS, NO LIGHTS ILLUMINATED.

Part: UNKNOWN — MALFUNCTIONED (AC BAY) · airframe 19,602 hrs · 6,521 cycles

THE LEFT PACK APPEARS TO HAVE AIR FLOW ANY TIME THERE IS AIR ON THE AIRCRAFT EITHER APU OR ENG. DURING ENG START WITH LEFT PACK SWITCHES IN POSITION PER MEL 21-1G THERE WAS LOW PRESSURE FOR ENG START ONLY 22% N2 AND AFTER START THE LEFT WAS SUPPLYING PRESSURE TO CABIN INCLUDING CHANGING TEMP WITH THE TEMP CONTROL. GROUNDED - YES. REF MEL PRO 21-2, INSPECTED L/H PACK FLOW CONTROL AND S/O VALVE. FOUND MANUAL CONTROL SHAFT PIN IN OUT POS. PUSHED IN AND VERIFIED CLOSED, VALVE IS IN CLOSED POS. PER B737-900 AMM 21-00-00. MAINTENANCE PROC. COMPLIED WITH.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 19,544 hrs · 6,501 cycles

LEFT RAM DOOR FULL OPEN LIGHT REMAINED ILLUMINATED THROUGHOUT THE FLIGHT. IT NEVER EXTINGUISHED. GROUNDED - YES. ACCOMPLISHED PACK TEMP CONTROL BITE FIM 21-62 TASK 801 NO FAULTS FOUND, PERFORMED VISUAL INSPECTION FOR BLOCKAGE NO DEFECTS NOTED.

Part: EEC — FAILED (NR 2 ENGINE) · airframe 19,146 hrs · 6,374 cycles

FOUND FAULT MSG 74-30972 THE APL INPUT VOLTAGE FOR THE L EXCITER (IGN1) IS OUT OF RANGE. GROUNDED - YES. WHILE T/S ALSO FOUND FAULT MSG 74-30982. PERFORMED FIM 74-21 TASK 801 AND FIM 74-21 TASK 802. FOUND 115V AC AT DP0101 AND DP0202, DUE TO OCCURRENCE OF DUAL CHANNEL FAULTS FOR BOTH LT AND RT IGNITERS IN CONCURRENCE WITH APPROPRIATE VOLTAGE INTO EEC, REMOVED AND REPLACED THE NR 2 ENGINE EEC REF AMM 73-21-60/401.

Part: ACTUATOR — FAILED (RAM DOOR AIR) · airframe 19,105 hrs · 6,360 cycles

ON WALK AROUND FOUND RT RAM AIR DEFLECTOR DOOR NOT FULLY DEPLOYED. GROUNDED - YES. PERFORMED BITE TEST & VERIFY FOR RT & LT PACK. NO FAULTS NOTED. REMOVED & REPLACED RT RAM AIR DOOR ACTUATOR REF AMM 21-51-21-400-801.

Part: UNKNOWN — MALFUNCTIONED (FMC) · airframe 18,870 hrs · 6,288 cycles

IN CRZ FLIGHT FLT 350 AT 2215Z VTK LIGHT ILLUMINATED F/O SIDE MAP DISPLAY. ALSO LDG ALT FLAG ON F/O SIDE WAS ILLUMINATED. BOTH LIGHT STAYED ON FOR APPX 10 SECOND. THE LDG ALT FLAG ON F/O SIDE. LIGHT EXT AFTER 10 SECOND NORMAL. GROUNDED - YES. PERFORMED FMCS BITE REF FIM 34-61-00-810-801. NO CURRENT FAULTS. FLT LEG 1 HAD FAULT FOR RT FMC. PERFORMED FIM 34-61-00-810-836. RT FMC OPS NML.

Part: SENSOR — FAILED (WINDOW HEAT) · airframe 18,005 hrs · 6,008 cycles

LEFT FWD WINDOW OVERHEAT LIGHT ILLUMINATED, DID NOT RESET WITH CHECKLIST. ACFT GROUNDED. ACCOMPLISHED WHCV BITE IAW FIM 30-41 TASK 801. CAPTAIN`S FWD WINDOW SENSOR FAULTED. RANG BOTH SENSORS AT CONNECTORS D1044A PINS 13, 26 BOTH SENSORS RANG OPEN IAW WDM 30-41-11. REMOVED AND REPLACED THE L1 WINDOW IAW AMM 56-11-11-000-801. REPOSITIONED THE TERMINAL TAP FROM TERMINAL FWD TO TERMINAL ONE ON TB5010 OF M321 WHCU. OPS AND LEAK CHECKED GOOD.

Part: FMC — MALFUNCTIONED (LEFT) · airframe 17,861 hrs · 5,957 cycles

LEFT FMC FAILED IN FLIGHT. ACFT GROUNDED. PERFORMED FIM 34-61-00-810-836. LT FMC OPS NORMAL. PERFORMED FMCS BITE IAW FIM 34-61-00-810-801. NO CURRENT FAULTS. NO HISTORY. OK FOR SERVICE.

Part: FMC — MALFUNCTIONED (RIGHT) · airframe 17,749 hrs · 5,915 cycles

F/O FLIGHT DIRECTOR DISENGAGED, WOULD NOT REENGAGE. ACFT GROUNDED. FLIGHT FAULT REVIEW, FCC B FAULTS FMC DATA INV, F/D BIAS OUT OF VIEW. FCC A, NO FAULTS. RT FMC BITE, IN FLT FLTS IAW FIM 34-61/801. FAULTS RT FMC. PERFORMED FIM 34-61/ 836 - BOTH FMC OPS NORMAL. ETOPS GND VERIFICATION SUCCESSFUL. DFCS LRU REPLACED, TESTED FMC, GOOD IAW AMM 22-11-00.

Part: SATCOM — LOCKED (COCKPIT) · airframe 17,687 hrs · 5,894 cycles

SATCOM LOCK-UP. GROUNDED - YES. ACCOMPLISHED SATCOM LOCK-UP QRH PROCEDURE.

Part: EGT INDICATION — OUT OF TOLERANCE (ENGINE) · airframe 17,508 hrs · 5,830 cycles

ECONOMIC FAULT MSG NR: 77-10852 THE BOTTOM RIGHT EGT SIGNAL (T495S2) IS OUT OF RANGE. FLIGHT LEG 3. ACFT GROUNDED. ACCOMPLISHED FIM 77-21 TASK 802. FAULT IS NO LONGER ACTIVE. T49.5, S1-S4 TEMPS ARE LESS THAN ONE DEGREE DIFF. WELL WITHIN THE 25 DEG LIMITS.

Part: FAULT CODE — FALSE INDICATION (NR 2 ENGINE) · airframe 17,455 hrs · 5,813 cycles

DURING ACCOMPLISHMENT OF 78273000, FOUND THE NR 2 ENGINE MESSAGE 77-10852. BOTTOM RIGHT EGT SIGNAL T495S2 OUT OF RANGE. ECONOMIC FAULT. ACFT GROUNDED. ACCOMPLISHED FIM 77-21 / 802. NO FAULTS, NO FAULT HISTORY.

Part: BRACKET — LOOSE (NR 2 ENGINE) · airframe 17,095 hrs · 5,686 cycles

WHILE ACCOMPLISHING T/C 78472000 FOR THE NR 2 ENGINE, FOUND A BRACKET LOOSE AT A1 FLANGE JUST BELOW START VALVE. ACFT GROUNDED. TIGHTENED BOLTS ON THE BRACKET IAW AMM 20-50-11.

Part: PRESSURE SWITCH — FAULTED (APU OIL) · airframe 17,023 hrs · 5,663 cycles

WHILE ACCOMPLISHING AN APU BITE PROCEDURE IAW FIM 49-60 TASK 801, FOR AIRCRAFT HISTORY OF BLUE MAINTENANCE LIGHT ON WITH OIL LEVEL FOUND FULL, FAULT HISTORY SHOWS NO FAULTS. CURRENT STATUS LAST 17 CYCLES, FAILED TEST, MESSAGE 49-94226 FOR LOW OIL PRESSURE SWITCH, SHOWS OPEN CIRCUIT. ACFT GROUNDED. ACCOMPLISHED FIM 49-90 TASK 805, REMOVED & REPLACED THE LOW OIL PRESSURE SWITCH IAW AMM 49-94-22, LEAK & OPS CHECKED NORMAL. CURRENT STATUS NOW SHOWS NO FAULTS.

Part: ACM — SEIZED (LEFT) · airframe 17,003 hrs · 5,653 cycles

LEFT A/C PACK TRIPPED OFF, THE PACK TEMP WAS 90 DEGREES. ACFT GROUNDED. IAW FIM TASK 21-53 TASK 817, FOUND ACM SEIZED. REMOVED AND REPLACED THE LT ACM IAW AMM 21-51-04/401, CONFIG 2. LEAK CHECKED GOOD. NR 1 AND 2 PZTC BITE TESTED GOOD WITHOUT FAULTS. VERIFIED LT PACK OPS CHECKED NORMAL ON GROUND WITHOUT FAULT LIGHTS. RESTORED ACFT TO NORMAL CONFIGURATION.

Part: ACM — SEIZED (LEFT) · airframe 16,984 hrs · 5,644 cycles

DURING TAXI, THE LEFT PACK LIGHT ILLUMINATED. ACFT GROUNDED. THE LEFT ACM WAS FOUND SEIZED IAW FIM 21-53 TASK 817.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 16,942 hrs · 5,630 cycles

LEFT PACK LIGHT ILLUMINATED FL 260 IN CLIMB RAN QRH AND PACK LIGHT CLEARED 1 MINUTE LATER LIGHT RE-ILLUMINATED RAN QRH SHUT OFF PACK CLOSED ISOLATION VALVE. GROUNDED - YES. PERFORMED BITE CHECK OF LEFT AND RIGHT PACK TEMP CONTROLLER PER FIM 21-53-00 NO CURRENT FAULTS NO PREVIOUS LEG FAULTS. PERFORMED VERIFY NO FAULTS NOTED.

Part: WARNING LIGHT — ILLUMINATED (RT A/C PACK) · airframe 16,627 hrs · 5,514 cycles

RT PACK LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED. ACCOMPLISHED BITE OF PACK-ZONE TEMP CONTROLLERS. BITE SWITCH ON RIGHT PZTC FAULTS SRADA INLET IAW FIM 21-62, TASK 801. ACCOMPLISHED FIM 21-62 TASK 852 CYCLED POWER TO RIGHT SRADA. RAN VERIFY TEST ON RIGHT PZTC. "GO" LIGHT ON. RESET RIGHT PZTC. GROUND VERIFICATION SUCCESSFUL.

Part: DISPLAY — MALFUNCTIONED (CAPTAIN'S) · airframe 16,606 hrs · 5,509 cycles

AT FL350 CAPTAIN'S NAV DISPLAYED VTK FOLLOWED BY MAP FAILURE FLAGS. NO FMC DATA ON CAPTAIN'S NAV DISPLAY AND NO FMC DATA ON BOTH CDUS. RESTORED ITSELF IN 1 MINUTE. ACFT GROUNDED. PERFORMED BITE CHECK FMC SYSTEM IAW AMM 34-61-801, NO FAULT NOTED, ACFT OK FOR SERVICE.

Part: SATCOM — MALFUNCTIONED · airframe 16,600 hrs · 5,507 cycles

SATCOM VOICE CALLS INOPERATIVE. UNABLE TO TALK OUT ON ACTIVE SATCOM CHANNEL WHEN CALL IS CONNECTED. TRIED BOTH SATCOM 1/2 CHANNELS TO MEDLINK AS WELL AS DISPATCH, COULD HEAR THE CALLED PARTY FINE BUT PARTY COULD NOT HEAR TRANSMISSIONS. ACFT GROUNDED. ESTABLISHED CLEAR 2 WAY VOICE COMMUNICATIONS ON SATCOM 1 & 2. GROUND VERIFICATION SUCCESSFUL IAW AMM 23-15-00/501.

Part: WARNING LIGHT — FALSE ACTIVATION (A/C PACK) · airframe 16,428 hrs · 5,452 cycles

PACK LIGHT ILLUMINATED AFTER T/O. RAN QRH, PACK LIGHT DID NOT RESET. CONT FLT & MONITOR PRESSURIZATION. AFTER 30 MIN PACK TEMP DECREASED AND PACK LIGHT EXTINGUISHED WITH MASTER CAUTION RECALL. WENT BACK TO NORMAL OPS. GROUNDED - YES. OPERATED RT PACK NUMEROUS TIME. UNABLE TO DUPLICATE PACK LIGHT FAULT. RT PACK OPS CK GOOD. REF B737-900 FIM 21-53 TASK 806.

Part: CONTROL VALVE — FAILED (RIGHT ECS BAY) · airframe 16,435 hrs · 5,454 cycles

RIGHT PACK OVERHEAT LITE ON RECALL, EXTINGUISHES WHEN RESET. GROUNDED - YES. REMOVED AND REPLACED RIGHT PACK TEMP CONTROL VALVE PER B737-900 AMM 21-51-10. OPS CK GOOD. THIS REMOVES MEL 21-32B.

Part: CONNECTOR — UNSECURE (CONTROL VALVE) · airframe 16,433 hrs · 5,453 cycles

FOUND RIGHT PACK LIGHT ILLUMINATED ON PREFLIGHT. GROUNDED - YES. DISCOVERED CANNON PLUG ON RT TEMP CONTROL VALVE WAS NOT COMPLETELY SECURED. SECURED CANNON PLUG. RT PACK SYSTEM AND FAULT LITE OPS CK GOOD. REF B737-900 AMM 21-61-00-700-806-002.

Part: CONTROL VALVE — FAILED (RIGHT ECS BAY) · airframe 16,413 hrs · 5,446 cycles

R/H PACK LIGHT ILLUMINATES WITH RECALL ON AFTER START CHECKLIST, EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. TROUBLESHOOTING USING BIT TEST REF B737-900 FIM 21-62 TASK 801 FOUND RIGHT TEMP CONTROL VALVE INOP. REMOVED AND REPLACED RIGHT TEMP CONTROL VALVE REF B737-900 AMM 21-51-10 OPS CHECK GOOD NO LEAKS NOTED. THIS CLEARS MEL 21-32B.

Part: LENS — BROKEN (EMERGENCY LIGHT) · airframe 15,826 hrs · 5,252 cycles

EMERGENCY LIGHT EXIT LOCATOR SIGN ON THE NR 1 GALLEY ADJACENT TO R1 DOOR HAS BROKEN LENS. ACFT GROUNDED. REMOVED AND REPLACED THE LENS AND TESTED THE LIGHT ASSEMBLY IAW AMM 33-51-01-960-801. OPS NORMAL.

Part: WARNING LIGHT — FALSE ACTIVATION (LT RAM AIR) · airframe 15,189 hrs · 5,032 cycles

DURING CRUISE AT FL350, THE LEFT RAM DOOR FULL OPEN ANNUNCIATOR CAME ON AND REMAINED ON. ACFT GROUNDED. LT PACK ZONE TEMP CONT BITE TESTED OK IAW FIM 21-62-801. OPENED AND CLOSED TWO CIRCUIT BREAKERS ON P6-4 FOR ACTUATOR STOWAGE. PERFORMED STEPS 1-6 ON LEFT PACK OF TSR AND FOUND NO FAULTS AT THIS TIME.

Part: CONNECTOR — DIRTY (NR 1 ENGINE) · airframe 15,111 hrs · 5,006 cycles

WHILE PERFORMING T/C 78273000, FOUND FAULT MESSAGE 75-20831, THE T3 SIGNAL IS OUT OF RANGE, LONG TIME FAULT NR 1 ENGINE, ACFT GROUNDED. EEC BITE DONE IAW FIM 73-00, TASK 801. FAULT ACTIVE. ACCOMPLISHED T3 CONNECTOR CLEANING IAW FIM 75-33, TASK 802, AND WDM 75-31-11. FOUR CIRCUIT BREAKERS WERE PULLED AND RESET AND ALL CONNECTORS RECONNECTED. REPAIR CONFIRMATION GOOD IAW FIM 75-33, TASK 802. FAULT NO LONGER ACTIVE.

Part: FAULT CODE — ILLUMINATED (NR 2 ENGINE) · airframe 15,058 hrs · 4,992 cycles

WHILE PERFORMING T/C 7827300 FOUND FAULT MESSAGE 75-20831, THE T3 SIGNAL IS OUT OF RANGE LONG TIME FAULT. ACFT GROUNDED. ACCOMPLISHED INITIAL EVALUATION FOR MESSAGE 75-20831, IAW FIM 75-33 TASK 802. NO FAULTS FOUND.

Part: EEC — MALFUNCTIONED (NR 1 ENGINE) · airframe 14,757 hrs · 4,900 cycles

PERFORMED TASK CARD 78273000, #1 ENGINE HAD LONG TIME FAULT 75-20831 - "THE T3 SIGNAL IS OUT OF RANGE". GROUNDED - YES. PERFORMED EEC BITE PROCEDURE IAW B737-900 FIM 75-33 TASK 802, STEP 802 E(1), NO FAULTS NOTED FOR RECENT FAULTS OR FLIGHT HISTORY. PERFORMED EEC TEST IAW B737-900 FIM 75-33 TASK 802 STEP E (2) (A). NO FAULTS NOTED, ALL TESTS ON #1 ENGINE.

Part: LENS — DETACHED (EMERGENCY LIGHT) · airframe 14,627 hrs · 4,856 cycles

F/A REPORTED EXIT LIGHT COVER CAME OFF IN AFT OF AIRCRAFT. ACFT GROUNDED. SECURED L2 EMERGENCY EXIT SIGN LENS, OPS NORMAL IAW AMM 33-51-00.

Part: WARNING MESSAGE — FALSE ACTIVATION (NR 1 ENGINE) · airframe 14,522 hrs · 4,817 cycles

WHILE PERFORMING T/C 7827300, FOUND FAULT MESSAGE 75-20831. THE T3 SIGNAL IS OUT OF RANGE. PERFORMED EEC BITE PROCEDURE IAW FIM 75-33. 802, STEP 802. NO FAULTS NOTED FOR RECENT FAULTS OR FLIGHT HISTORY. PERFORMED EEC TEST IAW FIM 75-33, 802, STEP 802. NO FAULTS NOTED. ACFT GROUNDED.

Part: WINDOW — MULTIPLE FAIL (L2) · airframe 14,180 hrs · 4,708 cycles

CLIMBING THROUGH NFL220 AFTER TAKEOFF LEFT SIDE WINDOW OVERHEAT ILLUMINATED. AFTER 5 MINUTES. VIA QRH, OVERHEAT CAUTION LIGHT CAME ON FOLLOWING THE 5 MINS OFF. TURNED SWITCH OFF REST OF FLIGHT AND COMPLIED WITH QRH. ACFT GROUNDED. REMOVED L2 WINDOW IAW AMM 56-21-11. MOVED LEFT SLIDING WINDOW HEAT WIRE TO CORRECT TERMINAL FOR THE NEW WINDOW, IAW AMM 56-12-11-400-801 AND WDM 30-41-12. INSTALLED A NEW L2 WINDOW IAW AMM 56-12-11-400-801. OPS TESTED GOOD.

Part: LEAD — MALFUNCTIONED (WINDOW HEAT) · airframe 14,162 hrs · 4,702 cycles

LEFT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED AT FL 330. FOLLOWED QRH PROCEDURES. WHEN WINDOW HEAT SWITCH RETURNED TO THE ON POSITION, OVERHEAT LIGHT REAPPEARED. ACFT GROUNDED. PRESSURIZED AIRCRAFT IAW AMM 05-51-91 AND TESTED LT SIDE WINDOW HEAT FOR 15 MINUTES. NO DEFECTS NOTED IAW AMM 30-41-00. PERFORMED LT SIDE WINDOW HEAT CONTROLLER BITE IAW FIM 30-41, TASK 801. FOUND SENSE ELEMENT FAULTED IN ALL FLIGHT HISTORY REGISTERS. NO CURRENT FAULTS. REMOVED THE LT WINDOW HEAT CONTROL UNIT. TESTED THE LT WINDOW PRIMARY SENSOR AND HEAT ELEMENT RESISTANCE FROM D1046A RACK CONNECTOR. RESISTANCE WITHIN LIMITS. DISCONNECTED THE LT WINDOW CONNECTOR D10572 AND TESTED PRIMARY AND SECONDARY SENSE ELEMENTS AT THE LT WINDOW. RESISTANCE WITHIN LIMITS. DISCONNECTED OTHER END OF COIL WIRE ASSY D10568 AND TESTED FOR CONTINUITY OF COIL WIRE. NO DEFECTS NOTED. REPLACED THE COIL WIRE ASSY WITH NEW. CONNECTED ALL CONNECTORS AND INSTALLED THE LT WINDOW HEAT CONTROL UNIT IAW AMM 30-21-11, AND W/D 30-41-12, PAGE 2. LT WINDOW HEAT CONTROL UNIT SYSTEM TESTED GOOD IAW AMM 30-41-11. GROUND VERIFICATION SUCCESSFUL.

Part: SENSOR — FAULTED (L2 WINDOW) · airframe 14,111 hrs · 4,688 cycles

LEFT WINDOW OVERHEAT, UNABLE TO EXTINGUISH WITH QRH. GROUNDED - YES. PERFORMED FIM 30-41 TASK 801 WINDOW HEAT CONTROL UNIT BITE. FOUND SENSOR FAULTS FOR LT NR 2 WINDOW ON ALL HISTORY RECORDS. SWAPPED LT NR 2 WINDOW OVERHEAT SENSOR TO SECONDARY SENSOR, REF FIM 30-41 TASK 811. OPS CHECKS GOOD.

Part: CONTROL UNIT — FAILED (WINDOW HEAT) · airframe 14,101 hrs · 4,686 cycles

LEFT SIDE WINDOW OVERHEAT DID NOT CLEAR AFTER QRH PROCEDURE TO TURN OFF 2 -5 MINUTES. GROUNDED - YES. VERIFIED DISCREPANCY. REMOVED AND INSTALLED NEW LEFT SIDE WINDOW HEAT CONTROLLER, REF 30-41-11. OPS TEST, REF AMM 30-41-00. SYSTEM CHECKS NORMAL.

Part: WARNING MESSAGE — FALSE ACTIVATION (LT A/C PACK) · airframe 13,936 hrs · 4,635 cycles

LEFT PACK LIGHT ILLUMINATED ON RECALL. EXTINGUISHED WITH MASTER CAUTION RESET. ACFT GROUNDED. ACCOMPLISHED BITE OF BOTH PZTC, NR 1 HARD FAULTED INLET,

Part: ACTUATOR — FAILED (LT RAM AIR INLET) · airframe 13,932 hrs · 4,634 cycles

LEFT RAM DOOR FULL OPEN LIGHT STAYS ON, AIRPLANE IN FLT. ACFT GROUNDED. REMOVED AND REPLACED THE LEFT RAM AIR INLET ACTUATOR IAW AMM 21-51-21. NO FAULTS NOTED AT THIS TIME.

Part: ACTUATOR — FAILED (RAM AIR DOOR) · airframe 13,685 hrs · 4,553 cycles

RIGHT RAM DOOR FULL OPEN LIGHT ON CONTINUOUSLY IN FLIGHT. GROUNDED - YES. REMOVED AND REPLACED RIGHT RAM AIR INLET ACTUATOR, REF AMM 21-51-21. INSTALLED NEW RAM AIR EXHAUST ACTUATOR, REF AMM 21-51-27-400-801. NO FAULTS ON SRADA. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE TEST, REF AMM 21-61-00-700-806-002, NO FAULTS.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 13,671 hrs · 4,547 cycles

LEFT RAM DOOR FULL OPEN LIGHT ILLUMINATED IN CRUISE. GROUNDED - YES. NO FAULTS ON INLET OR EXHAUST SRADA. ACCOMPLISHED PACK/ZONE TEMP BITE TEST, REF AMM 21-61-00-700-806-002. NO FAULTS. SYSTEM RETURNED TO SERVICE AND OPS CHECKS NORMAL.

Part: WARNING LIGHT — FALSE ACTIVATION (RAM AIR DOOR) · airframe 13,666 hrs · 4,544 cycles

RIGHT RAM AIR DOOR FULL OPEN LIGHT ILLUMINATED CONTINUOUSLY DURING FLIGHT. ACFT GROUNDED. IAW FIM 21-51 TASK 803, THE INLET AND EXIT BITE SHOWED NO FAULTS. THE PACK TEMP CONTROL BITE SHOWED NO FAULTS. INSPECTED THE HEAT EXCHANGER INLETS AND FOUND NO BLOCKAGE. PERFORMED FIM 21-51 TASK 803 STEPS 5-11. THE RIGHT RAM AIR DOOR OPEN LIGHT EXTINGUISHED IN AIR MODE WITH FLAPS RETRACTED AND INLET/EXIT CYCLED TOWARDS CLOSED.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 13,507 hrs · 4,484 cycles

RT RAM AIR DOOR FULL OPEN LIGHT ILLUMINATED FULL TIME. GROUNDED - YES. ACCOMPLISHED FIM 21-51 TASK 803 PACK TEMP CONT LTS BITE - DIDN'T SHOW ANY FAULTS LAST FLIGHT LEG AND CURRENT SRADA INLET AND EXHAUST ACTUATORS DIDN'T SHOW ANY FAULTS, FAULT SEEMS TO BE INTERMITTENT. PERFORMED BITE TEST, NO FAULTS DETECTED.

Part: STARTER — FAILED (NR 2 ENGINE) · airframe 13,032 hrs · 4,303 cycles

NR 2 ENGINE START NORMAL INDICATIONS WHEN START LEVER PLACED TO IDLE. SHORTLY AFTER, TUG COMMANDED "ABORT" DUE TO SPARKS NEAR TAIL PIPE. PER QRC, PUT START LEVER - CUTOFF. N1 AND N2 BOTH WENT TO 0 WHILE START SWITCH STILL ON GND. GROUNDED - YES. REMOVED AND REPLACED ENGINE START VALVE, REF AMM 80-11-03. REMOVED AND REPLACED NR 2 ENGINE STARTER, REF AMM 80-11-01. REMOVED AND INSTALLED QAD ADAPTER 2, REF AMM 80-11-02. INSPECTED CHIP DETECTORS AND SCAVENGE SCREEN, NO MATERIAL FOUND, REF AMM 79-00-00. PERFORMED LEAK CHECK OF NR 2 ENGINE START VALVE, NO LEAK NOTED, REF AMM 71-00-00, AND THE AIR STARTER LEAK CHECK, REF AMM 71-00-00, NO LEAK NOTED.

Part: WARNING LIGHT — ILLUMINATED (RAM AIR DOOR) · airframe 12,983 hrs · 4,284 cycles

LEFT RAM DOOR FULL OPEN LIGHT ON. ACFT GROUNDED.

Part: WARNING LIGHT — MALFUNCTIONED (A/C PACK) · airframe 12,983 hrs · 4,284 cycles

SHORTLY AFTER STARTING THE DESCENT NOTICED LEFT NR 1 PACK LIGHT ILLUMINATED, MASTER CAUTION DID NOT ILLUMINATE. DID NOT LOOK AT THE PACK TEMP GAUGE. ACCOMPLISHED QRH PROCEDURE, NR 1 PACK LIGHT DID NOT EXTINGUISH PUSHING THE TRIP RESET BUTTON NOR DID IT EXTINGUISH WITH MASTER CAUTION RESET. THE NR 1 PACK LIGHT DID EXTINGUISH WITH A SECOND ATTEMPT WITH MASTER CAUTION RESET. ACFT GROUNDED. PERFORMED PACK TEMPERATURE CONTROL BITE PROCEDURE IAW FIM 21-62 TASK 801. NO FAULTS. PERFORMED TROUBLESHOOTING IAW FIM 21-53 TASK 815. PACK OPERATED ON GROUND, NO PACK LIGHT EVER ILLUMINATED, PACK OPERATING TEMP NORMAL. NO PREVIOUS HISTORY LAST 30 DAYS. CHECKED GOOD FOR SERVICE.

Part: DOOR — MALFUNCTIONED (RAM AIR) · airframe 12,979 hrs · 4,283 cycles

LEFT RAM DOOR FULL OPEN LIGHT REMAINED ILLUMINATED THROUGHOUT CLIMB, CRUISE AND DESCENT. ACFT GROUNDED. ALL PACK TEMPERATURES NORMAL. ACCOMPLISHED CONFIGURATION CHANGES DEACTIVATED THE LEFT RAM AIR INLET MODULATING SYSTEM AND RAM AIR EXHAUST MODULATING SYSTEM IN THE FLIGHT OPEN AND OPEN POSITION PER OPTION 1. ACCOMPLISHED FINAL CONFIGURATION CHECK. REACTIVATED LT RAM AIR INLET AND LH RAM AIR EXHAUST MODULATING SYSTEM. TROUBLESHOT IAW FIM 21-51 TASK 803. PACK TEMPERATURE CONTROL BITE CHECKED GOOD IAW FIM TASK 21-62 TASK 801. OPERATED RAM AIR AIR DOORS WITH FLAPS TO POSITION 1 AND RETRACTED WHILE IN AIR MODE, RAM DOOR FULL OPEN LIGHT OPERATES CORRECTLY. NO PREVIOUS HISTORY LAST 30 DAYS, CHECKED GOOD.

Part: CONTROLLER — FALSE INDICATION (CABIN TEMP) · airframe 12,917 hrs · 4,257 cycles

AFTER STARTING BOTH ENGINES & PUSHING THE RECALL BUTTON, WE NOTICED A MASTER CAUTION CONT CAB ZONE TEMP LIGHT. WE RAN THE CHECKLIST FOR THIS LIGHT & CALLED MX CONTROL. WE THEN EXECUTED A FLIGHT CREW PLACARD. ACFT GROUNDED. NR 2 TEMPERATURE CONTROLLER LOGGED FLIGHT DECK TRIM VALVE. PERFORMED BITE, SYSTEM TESTED GOOD, FAULT RESET.

Part: TRANSCEIVER — UNSECURE (WX RADAR SYS) · airframe 12,861 hrs · 4,233 cycles

10 MINUTES BEFORE DESCENT AT FL 360, RECEIVED A GPWS LIGHT AND TERRIAN FAIL LIGHT. ACFT GROUNDED. FOUND THE WEATHER RADAR TRANSCEIVER UNIT LOOSE IN THE RACK. SECURED THE TRANSCEIVER. THE WEATHER RADAR OPS TESTED OK IAW AMM 34-43-00, AND GPWS OPS TESTED OK IAW AMM 34-46-00.

Part: AUTOLAND SYS — MALFUNCTIONED · airframe 12,643 hrs · 4,160 cycles

ON A PRACTICE CAT IIIA AUTOLAND APPROACH, AT APPROX 1,000 AGL, AUTOPILOT A DISENGAGED WITH NO APPARENT CAUSE. ALL PROCEDURES PERFORMED WERE STANDARD IAW A CAT III AUTOLAND APPROACH. ONCE NOTED WE PERFORMED A NORMAL MANUAL AAPROACH AND LANDING. ACFT GROUNDED. PERFORMED DFCS BITE TEST IAW FIM 22-11 TASK 801 FAULT REVIEW. CURRENT STATUS, NO FAULTS. FAULT HISTORY - NO FAULT BY FLT LEG. PERFORMED LAND VERIFY IAW AMM 22-11-00/201. BITE GRP 49. TESTS OK. ALL LWMP REQUIRED TESTS COMPLETE AND OK IAW AMM 22-00-01.

Part: FAN — FAILED (FWD CABIN) · airframe 11,456 hrs · 3,753 cycles

AFTER LANDING, ONE OF OUR FLIGHT ATTENDANTS REPORTED LOUD SOUND FROM THE OVERHEAD PASSENGER SERVICE UNIT. ACFT GROUNDED. REPLACED FWD CABIN TEMP SENSOR FAN IAW AMM 21-61-11 AND WDM 21-61-13. FUNCTIONS NORMAL

Part: HEATER — MALFUNCTIONED (R2 WINDOW) · airframe 11,364 hrs · 3,718 cycles

DURING CLIMB OUT THRU FL 300, RIGHT SIDE WINDOW OVERHEAT ANNUNCIATOR CAME ON. RAN QRH PROCEDURE LIGHT WENT OUT AND STAYED OUT AFTER TURNING WINDOW HEAT BACK ON. ACFT GROUNDED. TAPPED RT SIDE WINDOW IAW WDM 30-41-11. REPLACED R2 WINDOW IAW AMM 56-12-11. LEAK AND OPS TEST GOOD.

Part: KEYBOARD — FAILED (FMC) · airframe 11,316 hrs · 3,702 cycles

FMC SELECTION ON MENU PAGE INTERMITTENT PREVENTS ABILITY TO SELECT FMC AND LOAD ROUTE. ACFT GROUNDED. REMOVED AND INSTALLED NEW FMC KEYBOARD, IAW AMM TASK 34-61-01-000-801. PERFORMED CDU KEYBOARD TEST AND CDU LAMP TEST, ALL TESTS PASSED, IAW AMM 34-61-00.

Part: LRU — FAILED (CABIN) · airframe 11,281 hrs · 3,687 cycles

EMERGENCY LIGHTS ON ACFT LT AT ROW 1 THROUGH 4 GOING ON AND OFF AT RANDOM. LATER DURING FLIGHT THE EMERGENCY LIGHTING STRIPS ON THE LT SIDE OF BOTH FWD RAFT COMPARTMENT DOORS COME ON AND WOULD FLICKER IN TURBULENCE. ACFT GROUNDED. PERFORMED SYS TEST AT ACP INDICATED LRU 2-27 WAS CAUSING MULTIPLE PROBLEMS. R & R LRU 2-27, WHICH IS CROSS BIN AND WASH LIGHT AT ROWS 9 AND 10 ABC, REF AMM 33-22-00-960-802. OPS CHECKS OK.

Part: TRANSCEIVER — FAILED (SATCOM) · airframe 10,855 hrs · 3,551 cycles

DURING FLIGHT NOTICED SATCOM LOCKUP. AFTER FOLLOWING QRH RESET PROCEDURE, THE SAT PROMPT FAILED TO APPEAR. ACFT GROUNDED. REMOVED & REPLACED SATCOM TRANSCEIVER. OPS CHECKED NORMAL, GROUND VERIFICATION SUCCESSFUL.

Part: DISPLAY — MALFUNCTIONED (CAPTAIN'S) · airframe 10,793 hrs · 3,530 cycles

CAPTAIN`S MCDU LOST POWER. SCREEN WENT BLANK FOR 10-15 SECONDS, THEN ALL WARNING LIGHTS ILLUMINATED AND SCREEN CAME BACK TO NORMAL. ACFT GROUNDED. CAPTAIN'S MCDU OPS NORMAL IAW FIM 34-61 TASK 804.

Part: PACKING — FAILED (ENGINE OIL SYS) · airframe 9,939 hrs · 3,255 cycles

PUDDLED FUEL DISCOVERED UNDER ENGINE NR 1. ACFT GROUNDED. FOUND OIL CAP O-RING LEAKING. INSTALLED NEW O-RING. TEST RAN AGAIN 5 MIN NO LEAK FOUND REF AMM 71-71-00.

Part: AUTOLAND SYS — MALFUNCTIONED · airframe 9,767 hrs · 3,196 cycles

UNSATISFACTORY AUTOLAND, HGS APPROACH. ACFT FAR RT OF CENTERLINE AT 1300FT ON RWY 16R. ACFT GROUNDED. PERFORMED FIM 22-11, TASK 825. PERFORMED LAND VERIFY TEST BITE NR 49, AMM 22-11-00 WITH A TEST PASS.

Part: EXCITER — FAILED (APU) · airframe 9,675 hrs · 3,169 cycles

APU HAS HISTORY OF FAULT LIGHT ILLUMINATING DURING START WITH NO FLAME SHUTDOWN FAULTS BEING LOGGED. PREVIOUS MAINT IGNITION LEAD AND PLUG REPLACED. ACFT GROUNDED. R & R THE APU IGNITION UNIT. IAW AMM 49-41-31/401, OPS CHECKS NORMAL. NO CURRENT APU FAULTS.

Part: EXCITER — FAILED (APU) · airframe 9,693 hrs · 3,175 cycles

ON APU START, FAULT LIGHT ILLUMINATED. ACFT GROUNDED. R & R THE APU IGNITION UNIT, IAW AMM 49-41-31/401, OPS CHECKS NORMAL. NO CURRENT APU FAULTS.

Part: IGNITER — FAILED (APU) · airframe 9,632 hrs · 3,153 cycles

APU FAULT LIGHT CAME ON WHEN TRYING TO START THE APU. ACFT GROUNDED. R & R THE IGNITOR PLUG IAW AMM 49-41-51, AND THE IGNITOR LEAD IAW AMM 49-41-52. OPS CHECKED NORMAL.

Part: WARNING LIGHT — FALSE ACTIVATION (APU) · airframe 9,619 hrs · 3,150 cycles

APU FAULT LIGHT ON START. ACFT GROUNDED. COMPLIED WITH FIM 49-60, TASK 801. NO FAULTS CURRENT STATUS. FAULT HISTORY FOUND 49-41011. NO FLAME SHUTDOWN. OPS CHECKS NORMAL AT THIS TIME.

Part: IGNITER — FAILED (APU) · airframe 9,565 hrs · 3,129 cycles

APU FAILED TO START & FAULT LIGHT ILLUMINATED. AFTER 5 MINUTES FAULT LIGHT WENT OUT. 2ND ATTEMPT TO START AND FAILED AGAIN WITH FAULT LIGHT. ACFT GROUNDED. COMPLIED WITH FIM 49-40, TASK 802. FOUND IGNITER WORN. R & R APU IGNITER PLUS REF AMM 49-41-51/ 401. OPS CHECKS GOOD, FUEL FLOW RATE WAS 56PPH. CDU REPORTS NO FAULTS. STARTED APU 3 TIMES. NO DEFECTS NOTED.

Part: WARNING LIGHT — FALSE ACTIVATION (APU) · airframe 9,546 hrs · 3,124 cycles

DURING APU START, THE FAULT LIGHT CAME ON, FOLLOWING THE QRH, THE LIGHT WENT OUT WITHIN 5 MINUTES. TRIED STARTING THE APU AGAIN, THE FAULT CAME ON AGAIN. ACFT GROUNDED. ACCOMPLISHED APU BITE REF FIM 49-60, TASK 801. CURRENT STATUS PAGE LOGGED FAULT 49-41011, NO FLAME SHUTDOWN. ACCOMPLISHED B737-900 FIM 49-40 TASK 802. FAULT CLEARED STARTED APU 3X WITH NO DEFECTS NOTED. INTERMITTENT FAULT OK FOR SERVICE.

Part: AUTOLAND SYS — MALFUNCTIONED · airframe 9,419 hrs · 3,084 cycles

FLIGHT CREW REPORTS AUTOLAND UNSUCCESSFUL. ACFT LANDED 30 FT RT OF CENTER LINE AND NO FLARE. FAILS LAND VERIFY BITE GROUP 49. HGS OPS TEST IAW AMM 34-36-00 NORMAL. ACFT GROUNDED. REVIEWED DFCS AND HGS IN-FLIGHT FAULTS. NO RELEVANT FAULTS FOUND EXCEPT ILS ANOMOLY FAULTS IN HGS LEGS 29 & 30. PERFORMED DFCS LIBRARY TEST GROUP NR 49, LAND VERIFY, REF AMM 22-11-00 AND HGS SYS TEST REF AMM 34-36-00. ALL TESTS PASS, NO FAULTS FOUND, REF AMM 22-00-01. AUTOLAND, OPS CHECKS GOOD. ACFT UPGRADED TO CAT IIIA AUTOLAND AND HGS CAPABLE.

Part: VALVE — MALFUNCTIONED (CABIN TEMP) · airframe 8,582 hrs · 2,804 cycles

FWD CAB ZONE TEMP LIGHT ON AND WOULD NOT GO OUT. ACFT GROUNDED. R & R FWD CAB ZONE TRIM AIR MODULATING VALVE IAW AMM 21-61-21-400-801. PERFORMED BITE CHECK IAW AMM 21-61-00-700-806-002. BITE CHECK GOOD. ACCOMPLISHED LEAK CHECK. NO LEAKS NOTED.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 8,545 hrs · 2,793 cycles

FMC DISAGREE ON THE GROUND AFTER ENGINE START. ACFT GROUNDED. NR 1 AND NR 2 FMC BITE CHECK GOOD. REF FIM 34-61, TASK 801.

Part: WARNING LIGHT — FALSE ACTIVATION (CABIN TEMP) · airframe 8,516 hrs · 2,784 cycles

FWD CABIN TEMP LIGHT ILLUMINATED ON RECALL. ACFT GROUNDED. CONTROLLER LOGGED TRIM VALVE FAULT. ACCOMPLISHED PACK /ZONE TEMP CONTROLLER BITE TEST PROCEDURES IAW MM TASK 21-61-00 AND FAULT CLEARED, NO EXISTING FAULT. ZONE TEMP CONTROLLER, OPS CK GOOD. NO HISTORY 30 DAYS.

Part: CONTROL PANEL — FAILED (FLIGHT DECK) · airframe 8,341 hrs · 2,717 cycles

NR 1 HF/SAT SWITCH WILL NOT SELECT. ACFT GROUNDED. REPLACED HF/SAT SWITCHING PANEL. OPS NORMAL REF AMM 23-15-00.

Part: A/C PACK — MISSING (EMERGENCY LIGHT) · airframe 8,147 hrs · 2,653 cycles

EMERGENCY EXIT LIGHT COVER NEAR R-2 DOOR MISSING. ACFT GROUNDED. REPLACED LIGHT ASSY IAW AMM 33-51-01.

Part: WARNING LIGHT — FALSE ACTIVATION (RAM AIR DOOR) · airframe 8,124 hrs · 2,644 cycles

LEFT RAM DOOR FULL OPEN LIGHT AFTER TAKEOFF, REMAINED ILLUMINATED FOR ENTIRE DURATION OF FLIGHT. ACFT GROUNDED. COULD NOT DUPLICATE MALFUNCTION. PACK/ZONE TEMP CONTROLLER BITE CK NORMAL. OPS CK NORMAL, ACTUATION WAS SMOOTH AND EVEN DURING BITE CHECK REF FIM 21-51, TASK 803. VERIFIED FAN BYPASS DOOR INSTALLED & OPERATES SMOOTHLY. INSPECTED INLET OF PRIMARY & SECONDARY HEAT EXCHANGERS. NO BLOCKAGE OR DEFECTS NOTED. PRIMARY HEAT EXCHANGER DROPS APPROXIMATELY 80 DEGREES DURING PACK OPERATION. SECONDARY HEAT EXCHANGER DROPS APPROXIMATELY 60 DEGREES DURING PACK OPERATION. OAT WAS 32 DEGREES F.

Part: FMC — MALFUNCTIONED · airframe 8,117 hrs · 2,641 cycles

FMC ROUTE WAS ERASED WHEN DEPARTURE PROCEDURE WAS LOADED. ACFT GROUNDED. PULLED BOTH FMC CIRCUIT BREAKERS AND RESET , OPS RETURNED TO NORMAL.

Part: SATCOM — LOCKED · airframe 8,104 hrs · 2,637 cycles

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

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 7,972 hrs · 2,583 cycles

ON GROUND, FMC DISAGREE LIGHT AND MESSAGE. ACFT GROUNDED. ACCOMPLISHED QRH RESET PROCEDURE. OPERATION BACK TO NORMAL.

Part: WIRE HARNESS — DAMAGED (NR 1 ENGINE) · airframe 7,732 hrs · 2,503 cycles

NR 1 ENGINE - OTBD UPPER AFT- CORE AREA - FIRELOOP - HARDLINE SHIELD DAMAGED. ACFT GROUNDED. DAMAGED PART IS HARNESS MW0326, PN CA244-01. R & R MW0326 HARNESS IAW MM 26-11-02-400-802. OPS NORMAL IAW MM 26-11-00-710-801.

Part: CONTROLLER — FALSE INDICATION (CABIN TEMP) · airframe 7,538 hrs · 2,434 cycles

ON RECALL, CONTROLLER CABIN ZONE TEMP LIGHT ILLUMINATED, EXTINGUISHED ON RECALL. ACFT GROUNDED. ACCOMPLISHED PACK/ ZONE TEMPERATURE CONTROLLER BITE TEST, CONTROLLER NR 1 SHOWS NO FAULTS, CONTROLLER NR 2 SHOWS TRIM VALVE FLIGHT DECK, V143, FAULT. DISCONNECTED CONNECTOR, INSPECTED. NO DEFECTS NOTED. CLEARED FAULT ON CONTROLLER NR 2. SUPPLIED PNEUMATIC POWER AND RAN BOTH PACKS FOR 75 MIN". RE-ACCOMPLISHED PACK/ ZONE CONTROLLER BITE TEST, TEST NOW PASSES REF MM 21-61-00-700-806-002, & 21-61-21-400-801.

Part: CONTROL PANEL — INTERFERENCE (WX RADAR) · airframe 7,493 hrs · 2,418 cycles

WEATHER RADAR INTERMITTENTLY GOES IN & OUT OF TEST, DURING TEST MODE. ACFT GROUNDED. TRIED NEW RT, NO HELP, ORIGINAL REINSTALLED REF MM 34-43-41. REPLACED WEATHER CONTROL PANEL, REF MM 34-43-91, OPS TEST NORMAL.

Part: OUTFLOW VALVE — DAMAGED · airframe 7,392 hrs · 2,381 cycles

F/A REPORTS THAT R2 DOOR MAKES LOUD, HIGH PITCHED NOISE DURING FLIGHT. ALL PRESSURIZATION INDICATIONS ARE NORMAL. F/A REPORTS THAT IT WAS VERY LOUD ON DESCENT AND INTERFERED WITH COMMUNICATIONS. ACFT GROUNDED. PRESSURIZED AIRFRAME TO 4 PSI, HIGH HISS ON INSIDE ON LOWER CENTER OF DOOR R-2 CONFIRMED BY LEAK CHECK ON OUTSIDE LOWER CENTER OF DOOR & ON AFT LOWER DOOR, WHERE DOOR MEETS SILL. FOUND ANTI-SKATING FOIL DAMAGE ON OUTFLOW VALVE REPAIRED ANTI-SKATING FOIL ON OUT FLOW VALVE. REF AMM 21-31-03-400-801, STEP 3.F.4, PRESSURIZED ACTUATOR TO 4 PSI NO LEAKS NOTED ON R2 DOOR.

Part: WARNING LIGHT — FALSE ACTIVATION (RAM AIR DOOR) · airframe 7,038 hrs · 2,272 cycles

RAM DOOR FULL OPEN LIGHT REMAINS ON DURING FLIGHT, RIGHT. ACFT GROUNDED. PERFORMED FIM TASK 21-51, TASK 803, NO FAULTS FOUND. NO HISTORY LAST 90 DAYS, OK FOR SERVICE.

Part: FMC — MALFUNCTIONED (LEFT) · airframe 6,980 hrs · 2,256 cycles

APPROXIMATELY 20 MINUTES AFTER TOC HAD VTK INDICATED ON THE CAPTAIN'S DISPLAY. QRH COMPLIED WITH FOR FMC FAILURE. FLIGHT CONTINUED WITH BOTH ON RT FMC. ACFT GROUNDED. NO INFLIGHT FAULTS LOGGED IN FMC. NO VTK FLAG. LT FMC, OPS NORMAL REF MM 34-61-00.

Part: EEC — FAULTED (NR 1) · airframe 6,566 hrs · 2,129 cycles

WHILE PERFORMING TC 78273000, "INTERROGATE FMC CDU FAULTS" FOUND FAULTS ENGINE CONTROL LIGHT MSG NR: 73-20131, INTERNAL EEC FAULT. SHORT TIME MSG NR 73-20101, INTERNAL EEC FAULT, LONG TIME MSG NR 73-20131, INTERNAL EEC FAULT ON THE NR 1 ENGINE GROUNDED. REPLACED NR 1 ENGINE EEC. ALTERNATE DEACTIVATION PROCEDURES REVERSED. OPS CK GOOD. REF AMM 73-21-60/401.

Part: SWITCH — BROKEN (NR 2 HF) · airframe 6,545 hrs · 2,125 cycles

NR 2 HF/SAT TRANSFER LIGHT NOT ON IN HF MODE LIGHT TESTS GOOD. ACFT GROUNDED. REPLACED H/F SAT PANEL REF MM 23-15-00-400-804, HF2 SWITCH WAS BROKEN. OPS CK OK. HF OPS OK, REF MM 23-11-00-710-801 ETOPS GROUND VERIFICATION COMPLETE.

Part: WIRE HARNESS — BROKEN (NR 1 ENGINE) · airframe 6,197 hrs · 2,025 cycles

NR 1 OVERHEAT TEST SYSTEM, FAULT IN B LOOP. ACFT GROUNDED. DUPLICATED DEFECT. FOUND NR 1 ENGINE LT CORE UPPER TERMINAL END BROKEN. REPLACED NR 1 ENGINE LT CORE MW0326 B LOOP FIRE DETECTOR HARNESS, REF MM:26-11-02, OPS CK NORMAL.

Part: VALVE — MALFUNCTIONED (A/C BAY) · airframe 5,760 hrs · 1,886 cycles

CONTROLLER CABIN ZONE TEMP LIGHT ILLUMINATED UPON DEPARTURE-LIGHT WENT OUT WHEN MASTER CAUTION WAS RESET. ACFT GROUNDED. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE TEST IAW MM 21-61-00-700-806-002. NR 2 TEMP CONTROLLER LOGGED FLT DECK TRIM VALVE. REPLACED FLT DECK TRIM VALVE IAW MM 21-61-21. VALVE OPS CHECKS, LEAK CHECKS GOOD. NO FAULTS LOGGED ON NR 2 TEMP CONT.

Part: CONTROLLER — MALFUNCTIONED (CABIN TEMP) · airframe 5,766 hrs · 1,889 cycles

CONT CABIN ZONE TEMP LIGHT ILLUMINATED, UPON DEPARTURE FOLLOWED QRH LIGHT WENT OUT AFTER MASTER CAUTION RESET WAS PUSHED. ACFT GROUNDED. PERFORMED BITE CHECK ON NR 1 & 2 ZONE TEMP CONTROLLER, NO FAULTS NOTED, ZONE TEMP LIGHT REMAIN EXTINGUISHED AND NO 30 DAY HISTORY, REF FIM TASK21-62, TASK 801.

Part: WARNING MESSAGE — ACTIVATED (NR 1 EGT) · airframe 5,657 hrs · 1,854 cycles

MAINTENANCE MESSAGE 77-20861, ECONOMIC ENGINE NR 1 BOTTOM LEFT EGT SIGNAL IS OUT OF RANGE. ACFT GROUNDED. ON DEFERRAL.

Part: CIRCUIT BREAKER — OPEN (WX RADAR SYS) · airframe 5,436 hrs · 1,780 cycles

PWS INOPERATIVE NOTED DURING PREFLIGHT. ACFT GROUNDED. FOUND P6-1 "WXR RDR" CB OPEN. SECONDARY CHECK, REF MM 20-60-01. CHECK GOOD. RESET CB. PERFORMED GPWS/WXR RADAR, OPS CHECK REF MM 34-46-00 AND MM 34-43-00. OPS NORMAL. GROUND VERIFICATION GOOD.

Part: PROBE — FAILED (FWD FUSELAGE) · airframe 5,089 hrs · 1,651 cycles

AUX PITOT LIGHT ILLUMINATED. C/B IS IN. ACFT GROUNDED. REPLACED RT LOWER AUX PITOT PROBE IAW AMM 34-11-01/401. ALTERNATE PITOT SYSTEM LEAK TESTED GOOD IAW AMM TASK 34-11-00-790-812. PITOT HEATER, OPS CHECK GOOD.

Part: VALVE — MALFUNCTIONED (A/C BAY) · airframe 4,862 hrs · 1,573 cycles

AFT CABIN ZONE TEMP LIGHT ON RE-SET WITH MASTER CAUTION. ACFT GROUNDED. PERFORMED PACK ZONE TEMP CONTROLLED BITE IAW MM 21-61-00-700-806-002 FOUND AFT CABIN ZONE TRIM MODULATING VALVE FAULT. R & R AFT CABIN ZONE TRIM MOD. VALVE IAW AMM 21-61-21 LEAK CHECK GOOD. PERFORMED OPS TEST FOR ZONE TRIM MOD. VALVE IAW MM 21-61-21-400-801. OPS TEST IS GOOD. OPERATED PACK NO CABIN ZONE TEMP LIGHT. PERFORMED PACK ZONE TEMP CONTROLLER BITE NO FAULTS.

Part: WARNING LIGHT — ILLUMINATED · airframe 4,784 hrs · 1,542 cycles

TR UNIT LIGHT ILLUMINATED AFTER POWER TRANSFER FROM APU GENERATOR TO ENGINE GERNERATORS. ACFT GROUNDED. CYCLED POWER ON AND OFF SEVERAL TIMES, AND TRANSFERRED POWER BETWEEN APU AND GROUND WITH NO DISCREPANCIES NOTED. ACCOMPLISHED FIM 24-31, TASK 826 WITH NO DEFECTS NOTED. NO FAULTS LOGGED. SYSTEMS OP NORMAL. NO HISTORY 30 DAYS. GROUND VERIFICATION SATISFACTORY.

Part: WARNING LIGHT — FALSE ACTIVATION (RT RAM AIR DOOR) · airframe 4,771 hrs · 1,537 cycles

RIGHT RAM DOOR ILLUMINATED DURING CRUISE FLIGHT. ACFT GROUNDED. PERFORMED A GVI RAM INLET, NORMAL NO FOD IN INLET. ACCOMPLISHED FIM TASK 21-51, TASK 803 BOTH INLET OPERATES NORMAL. NO HISTORY IN LAST 30 DAYS.

Part: VALVE — MALFUNCTIONED (A/C BAY) · airframe 4,701 hrs · 1,513 cycles

FWD CABIN ZONE TEMP LIGHT ON RECALL, GOES OUT ON MASTER CAUTION RESET. ACFT GROUNDED. RT PACK/ZONE TEMP CONTROLLER, M1443, SHOWS NUMEROUS FWD CABIN ZONE TRIM AIR VALVE, V144, FAULT. REPLACED FWD CABIN ZONE TCV REF AMM TASK 21-61-21, LEAK CK AND GROUND FUNCTIONAL CK, RAN APU & RT PACK FOR 30 MIN, OPS CK NORMAL. ALSO, ACCOMPLISHED RT PACK/ZONE TEMP CONTROLLER BITE REF AMM TASK 21-61-00-700-806-002, OPS CK NORMAL.

Part: SERVO — FAILED (AUTOTHROTTLE SYS) · airframe 4,582 hrs · 1,469 cycles

AUTOTHROTTLE INOPERATIVE. ACFT GROUNDED. CURRENT STATUS TEST GOOD BUT SERVO MOTOR TEST FAILS ASM 2. WILL NOT MOVE. FLIGHT FAULT REVIEW SHOWED SEVERAL ASM 2 FAILURES IN FLIGHT. CONFIRMED ASM 2 BAD. REPLACED ASM 2. OPS NORMAL REF MM 22-31-91.

Part: WARNING LIGHT — FALSE ACTIVATION (COCKPIT TEMP) · airframe 4,465 hrs · 1,426 cycles

CONTROLLER CABIN ZONE TEMP LIGHT ILLUMINATED. QRH PROCEDURE FOLLOWED. ZONE TEMP LIGHT ILLUMINATES ON RECALL. ZONE TEMP LIGHT EXTINGUISHES UPON MASTER CAUTION RESET. ACFT GROUNDED. NR 2 CONTROLLER SHOWS "FLT DECK TRIM VALVE" FAULT. RESET FAULT. PERFORMED FIM 21-62, TASK 842. OPS NORMAL IAW SAME. INTERMITTENT FAULT. GROUND VERIFICATION GOOD. NO HISTORY 30 DAYS.

Part: WARNING MESSAGE — FALSE ACTIVATION (RAM AIR DOOR) · airframe 4,426 hrs · 1,418 cycles

RIGHT RAM AIR DOOR FULL OPEN REMAINED ILLUMINATED DURING ENTIRE FLIGHT. ACFT GROUNDED. OPS CHECKED PACK/ZONE TEMP CONTROLLER 5 TIMES. NO DEFECTS NOTED AT THIS TIME REF MM 21-51-00. NO HISTORY IN 30 DAYS.

Part: FMC — MALFUNCTIONED · airframe 4,026 hrs · 1,276 cycles

RIGHT FMC UNRESPONSIVE TO BUTTON INPUTS. ACFT GROUNDED. OPENED & RESET FMCS COMPUTER & MCDU C/B'S. RT FMC OPERATES NORMALLY. REF AMM 34-61-00.

Part: WARNING LIGHT — FALSE ACTIVATION (RAM AIR DOOR) · airframe 3,974 hrs · 1,258 cycles

LEFT SIDE RAM DOOR FULL OPEN, STAYED ILLUMINATED AFTER TAKEOFF WITH NO UNUSUAL SOUNDS OR VIBRATIONS. ACFT GROUNDED. ACCOMPLISHED CONTROLLER BITE WITH NO FAULTS NOTED. REF 21-51-00. ACCOMPLISHED FIM TASK 21-51, TASK 803 INITIAL EVALUATION, CHECKED GOOD. THIS IS AN INTERMITTENT FAULT. NO HISTORY 30 DAYS.

Part: CONTROL VALVE — MALFUNCTIONED (RT A/C PACK) · airframe 3,893 hrs · 1,234 cycles

RT PACK LIGHT "ON" RECALL RESETS WITH MASTER CAUTION. ACFT GROUNDED. RT PACK/ZONE TEMP CTRL FAULTS. "TCV-THIS PACK". REPLACED RT TCV REF MM 21-51-10. TCV INSTALLATION TEST NORMAL IAW SAME. LEAK CHECKED GOOD. NO LEAKS NOTED. REF AMM 21-51-10.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 3,875 hrs · 1,226 cycles

ON TAXI OUT, RECEIVED AN FMC DISAGREE MESSAGE. ACFT GROUNDED. ACCOMPLISHED QRH PROCEDURE AND MESSAGE WAS CLEARED.

Part: EEC — FAULTED (NR 2 ENGINE) · airframe 3,686 hrs · 1,178 cycles

NR 2 ENGINE FAILED TO COMPLETE ACTUATORS TEST NR 12 AND LOGGED FAULT 75-20372. ACFT GROUNDED. ACCOMPLISHED FIM 75-31, TASK 801 THRU STEP F6. DETERMINED EEC FAULT. REMOVED EEC IAW MM 73-21-60-000-801-F00. INSTALLED EEC IAW MM 73-21-60-400-801-F00. OPS CK'S AND TESTS ACCOMPLISHED REF MM 71-00-00-811-F00. NO FAULTS NOTED, ACTUATORS TEST PASSED.

Part: WARNING LIGHT — ILLUMINATED (RT A/C PACK) · airframe 3,653 hrs · 1,168 cycles

RT PACK LIGHT ILLUMINATED DURING RECALL. ACFT GROUNDED. RT PACK LOGGED TCV FAULT LAST FLIGHT. PERFORMED FIM 21-62, TASK 831 AND FAULT CLEARED. GROUND FUNCTIONAL TEST PASSED.

Part: CONTROL VALVE — MALFUNCTIONED (LT A/C PACK) · airframe 3,642 hrs · 1,166 cycles

LEFT PACK LIGHT ILLUMINATED DURING MASTER CAUTION RECALL TEST ON LANDING. PACK LIGHT RESET OFF WHEN MASTER CAUTION WAS PRESSED. ACFT GROUNDED. REPLACED LT TEMP CONTROL VALVE (V139) IAW MM 21-61-21. PERFORMED FIM TASK 21-61-00-21-61, TASK 801, TEMP CONTINUE BITE PROCESS. OPS NORMAL.

Part: GEARBOX — FAILED (NR 1 ACCESSORY) · airframe 3,604 hrs · 1,152 cycles

FOUND IN THE NR 1 ENGINE AGB / TGB MCD, CHIP DETECTOR, NOT IDENTIFIED IAW LABORATORY ANALYSIS. ACFT GROUNDED. NR 1ENGINE AGB R & R.

Part: PUMP — LEAKING (NR 1 ENGINE) · airframe 3,568 hrs · 1,140 cycles

AFTER ENGINE INSTALLATION, OPS & LEAK CHECK, NR 1 ENGINE FUEL PUMP PAD LEAKAGE. CLASSIFIED AS A RUNNING LEAK. ACFT GROUNDED. REMOVED FUEL PUMP PACKAGE IAW T/C 73-11-01-000-801-F00, ACCOMPLISHED STEPS 2 THRU 2H (15). FINISHED STEP 2.H, 16, 17, 18. FUEL PUMP PACKAGE REMOVAL IAW AMM 73-11-01-000-801-F00. INSTALLED FUEL PUMP PACKAGE IAW MM 73-11-01-400-801-F00 AND HMU IAW T/C'S N8473000 & N8473001.

Part: WARNING LIGHT — FALSE ACTIVATION (RAM DOOR) · airframe 3,264 hrs · 1,048 cycles

RIGHT RAM DOOR FULL OPEN LIGHT ILLUMINATED CONTINUOSLY BRIGHT DURING CRUISE FLIGHT. ACFT GROUNDED. ACCOMPLISHED FIM 21-51, TASK 803 STEPS A-G , 1-11, IAW FIM THIS IS AN INTERMITTENT FAULT, NO HISTORY 90 DAYS.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 2,917 hrs · 920 cycles

FMC DISAGREE MESSAGE ON BOTH INBD DISPLAY UNITS DURING TAXI OUT. ACFT GROUNDED. FOLLOWED FMC DISAGREE PROCEDURE IN QRH AND FMC DISAGREE NO LONGER DISPLAYED.

Part: HF COMM — FAILED (NR 2) · airframe 2,872 hrs · 906 cycles

NR 2 HF DOES NOT TRANSMIT OR RECEIVE. ACFT GROUNDED.

Part: AUTOLAND SYS — MALFUNCTIONED · airframe 2,838 hrs · 896 cycles

AUTOLAND NOT SUCCESSFUL. AT APPROXIMATELY 75 FT, THE ACFT ROLLED TO THE RIGHT. DRIFTING RIGHT, CORRECTED BUT LANDED AWKWARDLY - DRIFTING BACK LEFT SLIGHTLY NOSE HIGH - CRITICAL AREAS PROTECTED. ACFT GROUNDED. NO FAULTS LOGGED IN FFR, DFCS, ACCOMPLISHED LAND VERIFY TEST IAW 22-11-00. HGS LOGGED 'ILS ANOMALY' LAST LEG, ACCOMPLIGH HGS OPS TEST IAW 34-36-00. ALL TESTS PASS, ACFT REMAINS CAT III AUTOLAND/HGS, SCREW REFLECTS SAME.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 2,448 hrs · 781 cycles

FMC DISAGREE ON GROUND. ACFT GROUNDED. COMPLIED WITH QRH PROCEDURE, OPS NORMAL.

Part: ACTUATOR — MALFUNCTIONED (RAM AIR) · airframe 2,375 hrs · 757 cycles

RIGHT "PACK" LIGHT ILLUMINATED WHILE IN CRUISE. SELECTED HIGHER TEMP IAW QRH PACK RESET FOR A FEW MIN BUT THAN TRIPPED AGAIN PACK WAS THEN SHUTOFF. ACFT GROUNDED. PERFORMED PACK/ZONE TEMP CONTROL BITE FOUND SRADA EXIT FAULT. REPLACED RAM AIR EXHAUST ACTUATOR IAW 21-51-21-400, OPS CHECK GOOD.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 2,180 hrs · 694 cycles

DURING GROUND OPS, FMC DISAGREE ANNUNCIATION ILLUMINATED. ACFT GROUNDED. RAN QRH PROCEDURE AND ANNUNCIATION CLEARED.

Part: FMC — FALSE INDICATION · airframe 2,122 hrs · 672 cycles

FAILURE OF LT FMC. ACFT GROUNDED. INSPECTED LT FMC-NO FAULTS FOUND. PERFORMED OPS TEST OF LEFT FMC REF 34-61-00. SYS CKS NORMAL. NO HISTORY IN 30 DAYS.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 2,005 hrs · 638 cycles

LEFT FMC FAIL. ACFT GROUNDED. NO HISTORY-PERFORMED FIM TASK 34-61, TASK 8360. GROUND VERIFICATION SUCCESSFUL. LT FMC OPS NORMAL.

Part: WARNING LIGHT — FALSE ACTIVATION (APU) · airframe 1,997 hrs · 635 cycles

APU MAINT LIGHT ON. ACFT GROUNDED. FOUND FAULT LOW OIL QUANTITY ON CDU. CHECKED APU AND SHUTDOWN. FAULT CLEARED APU SHOWED FULL. DID GVI ACCOMPLISHED APU STARTING AND OPERATION IAW AMM 49-11-00. OPS CHECK GOOD. NO DEFECTS NOTED.

Part: ACTUATOR — INTERMITTENT (RAM AIR) · airframe 1,627 hrs · 530 cycles

RIGHT RAM AIR DOOR FULL OPEN LIGHT REMAINED ILLUMINATED DURING FLIGHT. ACFT GROUNDED. FOUND ELECTRICAL CONNECTORS TO ACTUATOR CONNECTED. DISCONNECTED STOWED CONNECTORS TO ACTUATOR IAW MM 21-00-00-040-806 AND RT BLUE RAM AIR DOOR FULL OPEN LIGHT WENT OUT. REINSTALLED RT RAM DOOR ACTUATOR ACCESS PANEL REINSTALLED RAM AIR EXHAUST ACTUATOR IAW MM TASK 21-51-27-400-801. OPS NORMAL. GROUND VERIFICATION SUCCESSFUL.

Part: APU — MALFUNCTIONED · airframe 1,225 hrs · 402 cycles

APU TOOK TWO START ATTEMPTS BEFORE IT STARTED ON TAXI IN TO THE GATE, BLUE MAINTENANCE LIGHT ILLUMINATED. ACFT GROUNDED. ACCOMPLISHED ETOPS FIM 49-90, TASK 804. RAN APU 5 TIMES AND 2 HRS. NO DEFECTS. NO HISTORY PAST 30 DAYS.

Part: WARNING LIGHT — INTERMITTENT (LT RAM DOOR) · airframe 801 hrs · 263 cycles

LEFT RAM DOOR FULL OPEN LIGHT REMAINED ILLUMINATED DURING CLIMB AND CRUISE. ACFT GROUNDED. BITE TEST OF TEMP CONTROLLERS, FOUND OK. NO FAULTS. ACCOMPLISHED GROUND VERIFICATION IAW FIM 21-51, TASK 803. FOUND TO BE INTERMITTENT FAULT.

Part: CIRCUIT BREAKER — MALFUNCTIONED · airframe 790 hrs · 261 cycles

RT FMC FAIL VTK & MAP DISPLAYED ON F/O'S MCDU. FOLLOWED QRH AND PUT FMC SWITCH BOTH ON L. ACFT GROUNDED. CYCLED CIRCUIT BREAKER FOR RT FMC SYS RESTORED AND OPS CHECKED NORMAL IAW FIM 34-61, TASK 836.

Part: IGNITER — FAILED (APU) · airframe 788 hrs · 260 cycles

APU FAULT LIGHT ILLUMINATED AFTER FAILED START ATTEMPT. ACFT GROUNDED. R & R IGNITER PLUG, IGNITER LEAD, AND IGNITION UNIT, REF AMM 49-41-51, 49-41-52 AND 49-41-31. APU OP'S CHECKED NORMAL. NO ISSUES.

Part: WARNING LIGHT — FALSE ACTIVATION (TEMP) · airframe 788 hrs · 260 cycles

CONT CAB ZONE TEMP LIGHT ILLUMINATED DURING RECALL. ACFT GROUNDED. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE TEST ON CONTROLLERS 1 & 2. NO ERRORS. GROUND VERIFICATION SUCCESSFUL IAW AMM 21-61-00-700-806-002.

Part: OIL SYSTEM — LOW (APU) · airframe 560 hrs · 181 cycles

AFTER APU START MAINT LIGHT CAME ON. ACFT GROUNDED. FOUND APU OIL TO BE LOW, SERVICED APU OIL, SEAM C JIM NOTIFIED, FAULT CLEARED.

Part: WARNING MESSAGE — ILLUMINATED (APU) · airframe 337 hrs · 108 cycles

APU FAULT LIGHT CAME ON AFTER APU START ATTEMPT AFTER LANDING. WAITED 5 MINUTES IAW QRH, FAULT LIGHT WENT OUT AND APU STARTED NORMALLY. ACFT GROUNDED. NO HISTORY LAST 30 DAYS, APU STARTED NORMALLY, OK FOR CONTINUED SERVICE.

Part: VALVE — FAULTED (A/C BAY) · airframe 68 hrs · 27 cycles

ON RECALL MAST CAUTION , AIR CONDITIONING, AND CONT CABIN ZONE TEMP LIGHT ILLUMINATED. ON MAST CAUTION RESET, ALL LIGHTS EXT. TEMPERATURE CONTROL IS NORMAL. ACFT GROUNDED. NR 2 ZONE TEMP CONTROLLER SHOWS A FLT DECK TRIM VALVE ON BITE & PREVIOUS FLT. REPLACED FLIGHT DECK TRIM AIR VALVE REF MM 21-61-21. OPS NORMAL, FAULTS CLEARED.

Part: SEAL — SEPARATED (ENGINE)

LP FWD STATIC SEAL HAD INSUFFICIENT CLEARANCE BETWEEN THE SEAL AND THE STAGE 2 HPT ROTOR DISK AFT FACE. POSSIBLE CAUSE IS THE SEPARATION OF THE 2-PIECE STATOR SEAL. PROBLEM FOUND BY BORESCOPE INSPECTION PER CFE FIELD ENGINEERING INSTRUCTION NR CFE 738-FEI-00-01-R1. (X)

Part: SEAL — SEPARATED (ENGINE)

LP FORWARD STATIC SEAL HAD INSUFFICIENT CLEARANCE BETWEEN THE SEAL AND THE STAGE 2 HPT ROTOR DISK AFT FACE. POSSIBLE CAUSE IS THE SEPARATION OF THE 2-PIECE STATOR SEAL. PROBLEM FOUND BY BORESCOPE INSPECTION PER CFE FIELD ENGINEERING INSTRUCTION NR CFE 738-FEI-00-01-R1. (X)