N477AS

Part: POWER SUPPLY — NO TEST (ZONE 200) · airframe 34,368 hrs · 10,537 cycles

EMERGENCY LIGHTS ASSOCIATED WITH BATTERY PACK M1695 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK SUPPLY M1695 S/N 123358 AND OPERATIONAL TEST PERFORMED SUCCESSFULLY IAW B737-900 AMM 33-51-06-960-806.

Part: POWER SUPPLY — NO TEST (ZONE 200) · airframe 34,368 hrs · 10,537 cycles

EMERGENCY LIGHTS ASSOCIATED WITH BATTERY PACK M1676 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M1676 S/N 24289 AND OPS CHECK GOOD IAW B737 AMM 33-51-06.

Part: POWER SUPPLY — NO TEST (MAIN CABIN) · airframe 34,368 hrs · 10,537 cycles

EMERGENCY LIGHTS ASSOCIATED WITH BATTERY PACK M2335 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK M2335 S/N 122986 AND OPERATIONAL TEST PERFORMED SUCCESSFULLY IAW B737-900 AMM 33-51-06-960-806.

Part: POWER SUPPLY — NO TEST (ZONE 200) · airframe 32,883 hrs · 10,075 cycles

EMERGENCY LIGHTS ASSOCIATED WITH BATTERY PACK M2626 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M2626 AND OPS CHECK GOOD IAW B737 AMM 33-51-06. (S/N 103438)

Part: WEB — CORRODED (ZONE 100) · corrosion level 2 · airframe 32,883 hrs · 10,075 cycles

FWD CARGO PIT THRESHOLD WEB HAS MULTIPLE SPOTS OF CORROSION. GROUNDED - YES. REMOVED CORROSION ORIGINAL MATERIAL THICK .045" REMOVED .009" REMAINING .036" FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-30-15-1A-1. LOCATED AND DRILLED NEW FWD CARGO DOOR THRESHOLD WEB IAW B737-900ER SRM 51-40-05.. INSTALLED FWD PIT THRESHOLD WEB IAW B73-900 SRM 51-40-02 AND PER B/P# 143A8330. REV-

Part: WEB — CORRODED (ZONE 100) · corrosion level 2 · airframe 32,883 hrs · 10,075 cycles

AFT CARGO PIT THRESHOLD WEB HAS MULTIPLE SPOTS OF CORROSION. GROUNDED - YES. REMOVED CORROSION FROM AFT CARGO PIT THRESHOLD WEB. ORIG .050",REMOVED.007" REMAINING .043. FOUND TO BE OUT OF LIMITS IAW B737-900 SRM 53-60-15-1A-1. REMOVED WEB IAW B737-900 SRM 51-40-02. RECEIVED NEW WEBPN: 146A8123U25. PO:1106827.5 LOCATED AND DRILLED NEW THRESHOLD WEB IAW B737-900 SRM 51-40-05. INSTALLED NEW THRESHOLD WEB IAW B737-900 SRM 51-40-02 REF DWG 146A8340 REV: -.

Part: DOUBLER — GOUGED (ZONE 100) · airframe 32,883 hrs · 10,075 cycles

WATER SERVICE DOOR AFT LATCH CONTACT AREA ON INTERNAL SURFACE OF CUTOUT IS GOUGED. GROUNDED - YES. REMOVED AND REPLACED WATER SERVICE DOOR DOUBLER AND COMPLIED WITH EA900ER-53EA-27894 REPAIR.

Part: POWER SUPPLY — NO TEST (ZONE 200) · airframe 34,369 hrs · 10,537 cycles

EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M2816 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M2816 AND OPERATIONAL TEST PERFORMED SUCCESSFULLY IAW B737-900 AMM 33-51-06-960-806. (S/N 125216)

Part: POWER SUPPLY — NO TEST (ZONE 200) · airframe 34,369 hrs · 10,537 cycles

EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1675 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M1675 AND OPERATIONAL TEST PERFORMED SUCCESSFULLY IAW B737-900 AMM 33-51-06-960-806. (S/N 123887)

Part: POWER SUPPLY — NO TEST (ZONE 200) · airframe 34,369 hrs · 10,537 cycles

EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M2627 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M2627 AND OPS CHECK GOOD IAW B737 AMM 33-51-06. (S/N 124217)

Part: BATTERY PACK — DISCHARGED (ZONE 200) · airframe 33,637 hrs · 10,302 cycles

DURING T/C 78233008, FOUND R2 DOOR OVERDOOR EXIT SIGN & EXIT INDICATOR SIGN INOP. GROUNDED - YES. REMOVED & REPLACED EMERGENCY LIGHTING BATTERY PACK PER AMM 33-51-06. OPS CHECK NORMAL PER AMM 33-51-00.

Part: POWER SUPPLY — NO TEST (EMERGENCY LIGHTS) · airframe 31,123 hrs · 9,582 cycles

WHILE PERFORMING T/C 78233001, AFT GALLEY LH EMERGENCY LIGHTS FAILED CAPACITY CHECK. GROUNDED - YES. REPLACED AFT GALLEY L/H EMERGENCY LIGHT BATTERY PACK PER AMM 33-51-06, OPS NORMAL. GROUND VERIFICATION SUCCESSFUL.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 29,792 hrs · 9,214 cycles

AFTER ENG START FWD + R SIDE WINDOW OVERHEAT LIGHTS ILLUMINATED GROUNDED - YES. RESET PER QRH

Part: POWER SUPPLY — MALFUNCTIONED (EMERGENCY LIGHTS) · airframe 29,296 hrs · 9,068 cycles

PER TASK CARD 78233008 " EMERGENCY LIGHTS" CHECK FOUND 2 L/H OVER WING EMERGENCY SLIDE LIGHTS INOP. GROUNDED - YES. RELAMPED INOP BULBS PER AMM 33-51-04. NO HELP. REMOVED AND REPLACED BATTERY PACK M1670 PER AMM 33-51-06. OPS CHECK NORMAL. ITEM OKAY FOR SERVICE.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 28,937 hrs · 8,969 cycles

WHILE COMPLETING TASK CARD 78273000 FOUND #2 ENG FAULT CODE 73-11272 THE ALTERNATOR VOLTAGE INPUT TO THE EEC OUT OF RANGE SHORT TIME FAULT. GROUNDED - YES. ON DEFERRAL.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 28,821 hrs · 8,934 cycles

#2 ENG HAS FAULT 75-10832 T3 SIGNAL IS OUT OF RANGE. GROUNDED - YES. ON DEFERRAL.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 28,755 hrs · 8,914 cycles

IN CRUISE FL340, A AUTOPILOT KICKED OFF IN SMOOTH AIR. A AUTOPILOT REENGAGED NORMAL. GROUNDED - YES. ACCOMPLISHED LAND VERIFY TEST. TEST NORMAL. REF B737-900 AMM 22-11-00-700-801. ETOPS GROUND VERIFICATION GOOD.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 28,692 hrs · 8,895 cycles

SATCOM LOCKOUT GROUNDED - YES. SATCOM LOCKOUT QRH PROCEDURE SUCCESSFULLY PERFORMED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 28,687 hrs · 8,894 cycles

SATCOM LOCK-UP. GROUNDED - YES. PERFORMED SATCOM LOCK-UP CB RESET PROCEDURE PER QRH. CPDLC WAS RESTORED AFTER 25 MINUTES.

Part: HEAT EXCHANGER — LEAKING (NR 2 ENG FUEL) · airframe 28,608 hrs · 8,867 cycles

#2 ENGINE HAS FUEL DRIPPING FROM IT. GROUNDED - YES. ACCOMPLISHED IDLE LEAK CHECK AND FOUND FUEL DRIPPING FROM MAIN FUEL/OIL HEAT EXCHANGER AT 9 DPM. REMOVED AND REPLACED #2 ENGINE FUEL/OIL HEAT EXCHANGER IAW B737-900 AMM 79-21-02. LEAK CK GOOD.

Part: SENSOR — FAILED (#2 ENGINE) · airframe 28,567 hrs · 8,855 cycles

WHILE ACCOMPLISHING ASA T/C 78273000 ENG2 BITE TEST RECENT FAULTS LONG TIME MSG NBR : 75-10832 THE T3 SIGNAL IS OUT OF RANGE FLT LEG 0,1 & 3 WAS SEEN. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 75-33 TSK 802, T3 SIGNAL OUT OF RANGE FAULT ISOLATION. PER FIM REMOVED AND REPLACED T3 SENSOR REF. B737-900 AMM 73-21-07/401.

Part: SENSOR — FAILED (#2 ENGINE) · airframe 28,335 hrs · 8,782 cycles

WHILE PERFORMING ASA T.C. 78273000, #2 ENGINE HAS LONG TIME FAULT 75-10832. THE T3 SIGNAL IS OUT OF RANGE ON MULTIPLE LEGS IN HISTORY. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 75-33 TSK 802, T3 SIGNAL OUT OF RANGE FAULT ISOLATION. PER FIM REMOVED AND REPLACED T3 SENSOR REF. B737-900 AMM 73-21-07/401.

Part: EEC — FAULTY (#2 ENGINE) · airframe 28,289 hrs · 8,766 cycles

WHILE PERFORMING T.C. #78273000, #2 ENG HAS LONG TIME FAULT 75-20832, THE T3 SIGNAL IS OUT OF RANGE, ON 2 LEGS. GROUNDED - YES. REMOVED #2 ENG EEC REF B737-900 AMM 73-21-60. COMPLETED REMOVAL OF J10 HARNESS REF AMM 73-21-06. INSTALLED J10 HARNESS REF AMM 73-21-06. (REF ASA LP 60569872)

Part: EEC — FAULTY (#2 ENGINE) · airframe 28,289 hrs · 8,766 cycles

WHILE PERFORMING TASK CARD 78273000, #2 ENG HAS LONG TIME FAULT 77-20862, THE BOTTOM LEFT EGT SINGAL (T495S3) IS OUT OF RANGE ON 2 LEGS. GROUNDED - YES. REMOVED #2 ENG EEC REF B737-900 AMM 73-21-60. COMPLETED REMOVAL OF J10 HARNESS REF AMM 73-21-06. INSTALLED J10 HARNESS REF AMM 73-21-06. (REF ASA LP 60569872)

Part: EEC — FAULTY (#2 ENGINE) · airframe 28,289 hrs · 8,766 cycles

WHILE PERFORMING T.C. #782730000, #2 ENG HAS ECONOMIC FAULT 75-20542, THE LPTACC POSITION SIGNAL IS OUT RANGE, ON 2 LEGS. GROUNDED - YES. REMOVED #2 ENG EEC REF B737-900 AMM 73-21-60. COMPLETED REMOVAL OF J10 HARNESS REF AMM 73-21-06. INSTALLED J10 HARNESS REF AMM 73-21-06. (REF ASA LP 60569872)

Part: EEC — FAULTY (#2 ENGINE) · airframe 28,289 hrs · 8,766 cycles

WHILE PERFORMING T.C. 78273000, #2 ENG HAS LONG TIME FAULT 75-20592 THE TBV POSITION SIGNAL IS OUT OF RANGE, ON 2 LEGS. GROUNDED - YES. REMOVED #2 ENG EEC REF B737-900 AMM 73-21-60. COMPLETED REMOVAL OF J10 HARNESS REF AMM 73-21-06. INSTALLED J10 HARNESS REF AMM 73-21-06. (REF ASA LP 60569872)

Part: EEC — FAULTY (#2 ENGINE) · airframe 28,289 hrs · 8,766 cycles

WHILE PERFORMING T.C. #78273000, #2 ENG HAS LONG TIME FAULT 75-20822, THE T25 SIGNAL IS OUT OF RANGE, ON 2 LEGS. GROUNDED - YES. REMOVED #2 ENG EEC REF B737-900 AMM 73-21-60. COMPLETED REMOVAL OF J10 HARNESS REF AMM 73-21-06. INSTALLED J10 HARNESS REF AMM 73-21-06. (REF ASA LP 60569872)

Part: EEC — FAULTY (#2 ENGINE) · airframe 28,289 hrs · 8,766 cycles

WHILE PERFORMING T.C. # 78273000, #2 ENG HAS LONG TIME FAULT 75-10832, THE T3 SIGNAL IS OUT OF RANGE, ON MULTIPLE LEGS IN HISTORY. GROUNDED - YES. REMOVED #2 ENG EEC REF B737-900 AMM 73-21-60. COMPLETED REMOVAL OF J10 HARNESS REF AMM 73-21-06. INSTALLED J10 HARNESS REF AMM 73-21-06. (REF ASA LP 60569872)

Part: EEC — FAULTY (#2 ENGINE) · airframe 28,289 hrs · 8,766 cycles

WHILE PERFORMING T.C. # 78273000, #2 ENG HAS LONG TIME FAULT 75-20442, THE VBV POSITION SIGNAL IS OUT OF RANGE, ON 2 LEGS. GROUNDED - YES. REMOVED #2 ENG EEC REF B737-900 AMM 73-21-60. COMPLETED REMOVAL OF J10 HARNESS REF AMM 73-21-06. INSTALLED J10 HARNESS REF AMM 73-21-06. (REF ASA LP 60569872)

Part: EEC — FAULTY (#2 ENGINE) · airframe 28,289 hrs · 8,766 cycles

WHILE PERFORMING ASA TASK CARD 78273000, #2 ENG HAS LONG TIME FAULT 77-20872, THE TOP LEFT EGT SINGAL (T495S4) IS OUT OF RANGE ON 2 LEGS. GROUNDED - YES. REMOVED #2 ENG EEC REF B737-900 AMM 73-21-60. COMPLETED REMOVAL OF J10 HARNESS REF AMM 73-21-06. INSTALLED J10 HARNESS REF AMM 73-21-06. (REF ASA LP 60569872)

Part: EEC — FAULTY (#2 ENGINE) · airframe 28,289 hrs · 8,766 cycles

WHILE PERFORMING ASA T.C. #78273000, #2 ENG HAS FAULT 75-20392, THE VSV POSITION SIGNAL IS OUT OF RANGE, ON 2 LEGS IN HISTORY. LONG TIME. GROUNDED - YES. REMOVED #2 ENG EEC REF B737-900 AMM 73-21-60. COMPLETED REMOVAL OF J10 HARNESS REF AMM 73-21-06. INSTALLED J10 HARNESS REF AMM 73-21-06. (REF ASA LP 60569872)

Part: EEC — FAULTY (#2 ENGINE) · airframe 28,289 hrs · 8,766 cycles

WHILE PERFORMING TASK CARD 78273000 #2 ENG HAS ECONOMIC FAULT 75-20362 THIS HPTACC POSITION SIGNAL IS OUT OF RANGE ON 2 LEGS. GROUNDED - YES. REMOVED #2 ENG EEC REF B737-900 AMM 73-21-60. COMPLETED REMOVAL OF J10 HARNESS REF AMM 73-21-06. INSTALLED J10 HARNESS REF AMM 73-21-06. (REF ASA LP 60569872)

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 28,284 hrs · 8,763 cycles

ON TAXI IN #2 EEC ENGINE CONTROL LIGHT ILLUMINATED. GROUNDED - YES. EEC BITE LOGGED FAULT 75-30832 T3 SIGNAL OUT OF RANGE GVI ENG 2 EEC FOUND T3 CONNECTOR AND J10 LOOSE. REMOVED 8 GV1 CONNECTOR- NO DEFECTS NOTED RECONNECTED & TEST OD EEC OKAY REF B737-900 FIM TASKS 73-00 TASK 801 & 73-33 TASK 802 & 73-21 TASK 804 ENG CONTROL LT OUT ENG RUN OKAY.

Part: FUEL HEATER — LEAKING (#2 ENGINE) · airframe 28,282 hrs · 8,762 cycles

DURING ACTUATORS TEST ON ENGINE 2 FOUND SERVO FUEL HEATER LEAKING. GROUNDED - YES. R/R SERVO FUEL HEATER PER B737-900 AMM 73-11-07-400-801-F00.

Part: SENSOR — OUT OF RANGE (#2 ENGINE) · airframe 28,282 hrs · 8,762 cycles

"ENGINE CONTROL" LIGHT ON OVERHEAD ILLUMINATED ON ENGINE #2 AFTER LANDING. GROUNDED - YES. REMOVED T3 SENSOR REF B737-900 AMM 73-21-07. INSTALLED ENGINE 2 T3 SENSOR PER AMM 73-21-07-400-801-F00.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 28,161 hrs · 8,724 cycles

AUTO PILOT "A" DISCONNECTED IN CRUISE FLT, RE-ENGAGED, AFTER 5 MINUTES AUTOPILOT DISCONNECTED, SWITCHED TO AUTO "B" WORKS FINE. GROUNDED - YES. REF B737-900 FIM 22-11 TASK 854 PERFORMED LLM AUTOLAND TEST, ALL TEST PASSED NO FAULTS DETECTED AT THIS TIME. CAT III AUTOLAND AUTHORIZED.

Part: MOTOR — FAULTED (STAB TRIM) · airframe 28,087 hrs · 8,705 cycles

AUTOPILOT A DISCONNECTED IN CRUISE FLIGHT. GROUNDED - YES. INSPECTED AND FOUND FAULT MESSAGE 22-11186 SEVERAL TIMES IN AUTO PILOT DISCONNECT AND DFCS LOGGED FAULTS. PER FIM 22-11 TASK 854. REPLACED STABILIZER TRIM MOTOR M1659. RMVD AND INSTALLED NEW M1669. REF B737-900 AMM 27-41-71/401.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 28,074 hrs · 8,700 cycles

AT FL360 ENGAGGED "A" AUTOPILOT. AFTER 5 MINUTES, AUTOPILOT DISENGAGED. RE-ENGAGED "A" AUTOPILOT, AND AFTER 5 MINUTES, AUTOPILOT DISENGAGED AGAIN. ENGAGED "B" AUTOPILOT, "B" WORKS FINE. GROUNDED - YES. ACCOMPLISHED DFCS BITE B737-900 FIM 22-11 TASK 801. FOUND FAULT " 22-11186 TRIM CMD RESPSE MON" ON CHANNEL A FLIGHT LEG 1 @ 36000 FT. ACCOMPLISHED FIM 22-11 TASK 854. ALL TESTS PASS. NO HISTORY PAS 30 DAYS.

Part: LENS — MISSING (MAIN PASSENGER C) · airframe 27,500 hrs · 8,531 cycles

EMERGENCY AISLE LIGHT LENS MISSING (INOP) ABOVE ROW 30ABC. GROUNDED - YES. REPLACED AISLE EMERGENCY LIGHT LENS, REF B737-900 AMM 33-51-03.

Part: SENSOR — OUT OF RANGE (#2 ENGINE) · airframe 27,365 hrs · 8,498 cycles

WHILE ACCOMPLISHING ASA T/C 78273000 FOUND LONG TIME FAULT ON #2 ENGINE. "T3 SIGNAL IS OUT OF RANGE" MESSAGE # 75-10832. GROUNDED - YES. REPLACED THE T3 SENSOR REF B737-900 FIM 75-33 TSK 802 AND B737-900 AMM 73-21-07.

Part: SATCOM — LOCKED · airframe 27,061 hrs · 8,399 cycles

SATCOM LOCKED UP. GROUNDED - YES. CIRCUIT BREAKER CYCLED TO CLEAR LOCKUP.

Part: FMC — MALFUNCTIONED · airframe 27,056 hrs · 8,396 cycles

AT CRUISE RECEIVED 'VTK" AND NO FMC DATA ON CA SIDE. AFTER A FEW SECONDS "VTK" EXTINGUISHED AND FMC DATA CAME BACK AND WE RESUMED NORMAL OPERATIONS. GROUNDED - YES. PERFORMED FMC SYSTEM BITE PROCEDURE IAW B737-900 FIM 34-61 TASK 801, NO DEFECTS NOTED CAPTAIN AND FO FMC GOOD.

Part: WARNING LIGHT — FALSE INDICATION (AIR CONDITIONING) · airframe 27,051 hrs · 8,393 cycles

ON RECALL MASTER CAUTION AND "AIR CON " LIGHT ILL ZONE TEMP LIGHT ABOVE CONTROLLER CABIN ILLUMINATED LIGHTS EXTINGUISHED OM MASTER CAUTION RESET. GROUNDED - YES. PERFORMED PZTC BITE IAW AMM 21-61-00, ONE HIT FOR FLT DECK TRIM VALVE AT CONTROLLER NR 2 M1443. PERFORMED PZTC BITE AND TEST PASSED. SUSPECTED INTERMITTEN FAULT.

Part: LAMP — INOPERATIVE (EMERGENCY LIGHTS) · airframe 26,935 hrs · 8,362 cycles

RH EMERGENCY LIGHT AFT OF WING INOPERATIVE. GROUNDED - YES. REPLACED THE RT EMERGENCY LIGHT LAMP IAW AMM 33-51-04. OPS CHECKED GOOD.

Part: WARNING MESSAGE — FALSE ACTIVATION (SATCOM) · airframe 26,639 hrs · 8,270 cycles

SAT PROMPT NOT DISPLAYED ON MCDU PERFORMED QRH SAT LOCK UP PROCEDURE AND SAT RESTORED. GROUNDED - YES. CONFIRMED RESET SATCOM OP OK REF B737-900 AMM 23-15-00.

Part: PRESSURE SWITCH — FAULTED (FUEL SYSTEM) · airframe 26,489 hrs · 8,215 cycles

IN LEVEL FLIGHT W/1.6 CTR TANK R CTR FUEL PUMP LOW PRESSURE LIGHT REMAINS ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED RH CENTER FUEL PUMP PRESSURE SWITCH REF B737-900 AMM 28-42-11.

Part: PUMP — FAILED (CENTER FUEL TANK) · airframe 26,484 hrs · 8,213 cycles

RT CTR FUEL PUMP LOW PRESSURE LT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED OF RT CTR FUEL PUMP MOTOR IMPELLER.

Part: PRESSURE SWITCH — FAULTED (FUEL SYSTEM) · airframe 26,462 hrs · 8,206 cycles

LEFT CENTER TANK FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED LEFT CENTER FUEL BOOST PUMP PRESSURE SWITCH IAW B737-900 AMM 28-42-11/401.

Part: PUMP — FAULTED (FUEL SYS) · airframe 26,460 hrs · 8,205 cycles

RIGHT CENTER FUEL LOW PRESSURE LIGHT IS ILLUMINATED WITH FUEL PUMP ON. GROUNDED - YES. REMOVED AND REPLACED RIGHT CENTER FUEL PUMP PER B737-900 AMM 28-22-41.

Part: WARNING LIGHT — FALSE ACTIVATION (APU) · airframe 26,437 hrs · 8,197 cycles

APU FAULT LIGHT ON START. GROUNDED - YES. FOUND FAULT CODE 49-41012 ON BITE TEST, APU REMAINS ON MEL 49-1B. PERFORMED B737-900 FIM 49-40 TASK 803 FAULT 49-41012 NOT CURRENT NO OTHER ACTIVE FAULTS ASSOCIATED NOT ACTIVE FOR 8 STARTS OPERATED APU SEVERAL TIMES NO FAULTS.

Part: AUTOPILOT SYS — FAULTED · airframe 26,243 hrs · 8,140 cycles

JUST AFTER BAART AUTOPILOT DISCONNECTED AT FL 340 AND SATCOM LOCKUP. GROUNDED - YES. RE-ENGAGED AUTOPILOT, FOLLOWED ASA QRH FOR SATCOM LOCKUP.

Part: CONTROL VALVE — FAILED (RIGHT ECS BAY) · airframe 26,079 hrs · 8,096 cycles

ROWS 6-13 VERY WARM. DIFFICULT TO CONTROL THE TEMPERATURE IN FWD CABIN. DUCT TEMP FLUCTUATES +8/-8 DEGREES OR SO. GROUNDED - YES. REPLACED R/H TCV IN REF TO B737-900 AMM 21-51-10. OPS CHECK NORMAL.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 25,907 hrs · 8,046 cycles

IN CRUISE AT FL 340 A AUTOPILOT DISENGAGED. ALL INDICATIONS WERE NORMAL AND FLIGHT DIRECTOR REMAINED IN LNV / VNAV. RE-ENGAGED A AUTOPILOT AND IT OPERATED NORMALLY FOR THE REST OF THE FLIGHT. WE WERE IN SMOOTH AIR WHEN IT DISENGAGED. GROUNDED - YES. ACCOMPLISHED LAND VERIFY TEST REF B737-900 AMM 22-11-00-700-801. ETOPS GROUND VERIFICATION SUCCESSFUL. NO CURRENT FAULTS. NO OTHER HISTORY PASSED 30 DAYS.

Part: CONTROL PANEL — INOPERATIVE (FLIGHT COMPARTME) · airframe 25,730 hrs · 7,993 cycles

IAS/MACH ADJUSTMENT KNOB WILL NOT ADJUST SPEED WHEN AP A OF FD #1 IS MASTER. ALSO, AP DISCONNECTED AT CRUISE. WE WERE ABLE TO RENGAGE AP A. GROUNDED - YES. REMOVED & REPLACED MCP REF B737-900 AMM 22-11-34-400-801.

Part: CIRCUIT BREAKER — TRIPPED (UNKNOWN) · airframe 25,495 hrs · 7,928 cycles

FUEL QTY 2 C/B TRIPPED/OUT (P6-3 A5). GROUNDED - YES. FOUND C/B P6-3 A5 FUEL QTY 2 OPEN. INSPECTED C/B IAW B737-900 AMM 20-60-01-860-801 PERFORMED C/B RESET PER AMM 20-60-01-860-801 C/B REMAINS CLOSED. FUEL QTY INDICATION NORMAL PER AMM 28-41-00.

Part: CHARGER — FAULTED (UNKNOWN) · airframe 25,474 hrs · 7,921 cycles

ELEC LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED ELEC BITE LIGHT PROCEDURE , SPCU, AUX BATT CHARGER FAULT , AND STATIC INV FAULT, PERFORMED RESET ALL FAULTS CLEARED, NO OTHER FAULTS NOTED IAW B737-900 FIM 24-31-TASK 801.

Part: DOOR — BINDING (UNKNOWN) · airframe 24,787 hrs · 7,714 cycles

APU WOULD NOT START AFTER 3 ATTEMPS. GROUNDED - YES. FOUND APU INLET DOOR BINDING + SHUTTERING. LUBRICATED APU INLET DOOR HINGES WITH OIL. OPS CHECK GOOD.

Part: HYDROMECH UNIT — FAILED (#1 ENGINE) · airframe 24,720 hrs · 7,692 cycles

#1 ENG ACTUATOR TEST FAILED, FAULT CODE 75-20431 AND 75-30531. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 75-32 TASK 801 AND 75-22 TASK 801 FOR VBV DEMAND/POSITION AND LPTACC DEMAND/POSITION DISAGREE FAULTS. ELECTRICAL CKS PER TABLE 201 ON BOTH FIM TASKS RETURNED NO FAULTS. ACCOMPLISHED ACTUATORS TEST AND VERIFIED FAULTS 75-30431 AND 75-20531 ACTIVE. SEE LP 60342266 FOR REPLACEMENT OF #1 ENG HMU.

Part: FUEL HEATER — LEAKING (#1 ENGINE) · airframe 24,720 hrs · 7,692 cycles

WHILE ACCOMPLISHING #1 ENG HMU AND FUEL SERVO HEATER LEAK CHECK FOUND SERVO FUEL HEATER CAP LEAKING. GROUNDED - YES. REMOVED AND REPLACED #1 ENG SERVO FUEL HEATER IAW B737-900 AMM 73-11-07 THROUGH STEP 3. E. 6. L. #1 ENG SERVO FUEL HEATER INSTALLATION TEST PASSED. NO LEAK. REF AMM 73-11-07.

Part: APU — FAULTED (UNKNOWN) · airframe 24,707 hrs · 7,689 cycles

APU INOP. GROUNDED - YES. PERFORMED BITE REF B737-900 FIME 49-40-803, PERFORMED AS NORMAL OF THE APU, NO DEFECTS NOTED. NO FAULTS REPORTED. APU FAULT HISTORY SHOWS FAULT 49-11019, DC SHUTDOWN OF THE APU. SUSPECT INLET DOOR OUT OF SEQUENCE. PERFORMED A NORMAL SHUTDOWN AND START AGAIN, NO FAULTS REPORTED. NO HISTORY OF START FAULTS 30 DAYS.

Part: AUTOLAND SYS — ERRATIC (UNKNOWN) · airframe 24,581 hrs · 7,656 cycles

A/L & HGS ON 16R LANDED LEFT OF CTR LINE. IT DID TRACK STRAIGHT AFTER VEERING LEFT, MIGHT HAVE GOTTED BACK TO CTR IF 50-100 MORE FEET ALT. NO OBSTICLES NEAR RWY DURING LNDG. GROUNDED - YES. FLIGHT LEG HISTORY IN DFCS AND HGS AND FOUND NO RELEVANT DFCS MESSAGES OR HGS FAILURES IN LAST 10 FLIGHT LEGS. PERFORMED DFCS LAND VERIFY TEST AND HGS SYSTEM AND OPS TEST REF B737-900 FIM 22-11 TASK 899 AND 34-36 TASK 899 AND ROCKWELL COLLINS HGS-4000 SMM 34-36-00. ALL TESTS PASS. NO FAULTS. ALL TESTS ACCOMPLISHED FOR AUTOLAND AND HGS 30 DAY IN USE DURING THIS TEST SEQUENCE REF B737-900 AMM 22-00-01-730-807 AND -808. A/C APPROACH SURVEY ACCOMPLISHED TO RENEW 30 IN USE REQUIREMENTS.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 24,414 hrs · 7,602 cycles

THE LEFT TO/GA BUTTON ON THE THROTTLE CONTROL STAND DOES NOT ENGAGE TO/GA MODE. THE RIGHT SIDE SWITCH OPERATES NORMALLY. GROUNDED - YES. ACCOMPLISHED B37-900 FIM 22-32 TASK 804 FOR TO/GA SWITCH OPERATIONAL ISSUES. DISCRETES SHOW SWITCH IS OPERATING NORMALLY. PERFORMED DFGS BITE TEST 35 DUAL AND TO/GA SWITCH OPERATION NORMAL. FIM DESCRIBES THIS FAULT AS INTERMITTENT AND OK FOR SERVICE.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 24,163 hrs · 7,528 cycles

DURING CRUISE FL 320, SUDDEN LOSS OF LNAV /VNAV F/O SCRATCHPAD SHOWED SINGLE FMC ACCOMPANIED BRIEFLY VTK & MAP ON NAV DISPLAY REENGAGED LNAV/VNAV ON THE MCP. REENGAGED SUCCESSFULLY WITH NO FURTHER ANOMALIES. GROUNDED - YES. VERIFIED L/H FMC HAD NUISANCE ERROR. REF B737-900 AMM 34-61-00-860-801 FOR VTK/ MAP - OPS RESTORED. FMC L/H BITE TEST OK.

Part: WIRE HARNESS — WORN (#2 ENGINE) · airframe 23,922 hrs · 7,454 cycles

DURING ACCOMPLISHMENT OF TASK CARD N8420001 RIGHT ENGINE HARNESS INSPECTION FOUND CJ9 HARNESS WORN. GROUNDED - YES. REMOVED AND REPLACED CJ9 HARNESS REF B737-900 AMM 73-21-06/401. CJ9 HARNESS INSTALLATION TEST NORMAL.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 23,385 hrs · 7,299 cycles

SATCOM LOCKUP GROUNDED - YES. PERFORMED SATCOM LOCKUP PROCEDURE. SATCOM RESTORED NORMAL.

Part: SPINNER — NICKED (#1 ENGINE) · airframe 22,948 hrs · 7,175 cycles

PER T/C 78472010 #1 ENG FAN BLADE LUBE REAR SPINNER CONE HAVE NICKS FORWARD #5 BALANCE SCREW AND AFT OF #22 BALANCE SCREW. GROUNDED - YES. REMOVED REAR SPINNER CONE REF TASKCARD 78472010 SUBTASK 839-006. REPLACED REAR SPINNER, INSTALLATION ACCOMPLISHED ON T/C 78472010. BALANCE WEIGHTS MATCH OLD SPINNER AND AVM.

Part: BLADE — DAMAGED (#1 ENGINE) · airframe 22,948 hrs · 7,175 cycles

PER T/C 78472010 #1 ENG FAN BLADE LUBE #12 BLADE CU-NI-IN COATING MISSING BEYOND LIMITS OF CONVEX SIDE. GROUNDED - YES. REPLACED #1 ENG FAN BLADE #12 AND ITS PAIR. INSTALLATION ACCOMPLISHED ON T/C 78472010.

Part: TRANSCEIVER — FAILED (EE RACK, E6) · airframe 22,735 hrs · 7,115 cycles

HF 2 RADIO "FAIL" WHEN TRYING TO TUNE. GROUNDED - YES. REMOVED AND REPLACED #2 HF TRANSCEIVER REF B737-900 AMM 23-11-21. OPS CHECK GOOD. GROUND VERIFICATION TEST SUCCESSFUL.

Part: WINDOW — NONE (FLIGHT COMPARTME) · airframe 22,678 hrs · 7,095 cycles

LEFT SIDE OVERHEAT LIGHT ILLUMINATED. FOLLOWED QRH PROCEDURE. AFTER 5 MINUTES IT WAS STILL ILLUMINATED. TURNED OFF AND CONTINUED FLIGHT. GROUNDED - YES. REMOVED AND REPLACED LH NO. 2 OPENABLE WINDOW PER AMM 56-12-11. OVERHEAT LIGHT NOT ILLUMINATED. OPS CHECK GOOD.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 22,656 hrs · 7,087 cycles

LEFT SIDE WINDOW OVERHEAT AT CRUISE. GROUNDED - YES. CLEARED VIA QRH PROCEDURE.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 22,619 hrs · 7,075 cycles

IN FLIGHT LEFT FMC FAILED FOR AROUND 30 SECONDS BEFORE IT RESTORED ITSELF. GROUNDED - YES. BOTH FMC'S RESTORED FROM RE-SYNC R/H & L/H FMC BITE TEST OK. REF B737-900 AMM 34-61-00-710-801.

Part: NONE — NONE · airframe 22,593 hrs · 7,067 cycles

L SIDE WINDOW HEAT OVERHEAT IN FLIGHT. GROUNDED - YES. PERFORMED B737-900 FIM 30-41 TASK 801 WINDOW HEAT BITE TEST. SYSTEM TEST NORMAL LEFT SIDE (M322) TEST PASSED.

Part: SLIDING WINDOW — FAULTY (FLIGHT DECK) · airframe 22,551 hrs · 7,057 cycles

DESCENDING THROUGH 18,00' LEFT SIDE WINDOW OVERHEAT CAUTION ILLUMINATED. COMPLETED QRH PROCEDURE - WINDOW HEAT ILLUMINATED AGAIN. GROUNDED - YES. REF B737-900ER FIM 30-41 TASK 801 BITE SHOWS LH WINDOW SENSOR FAULT. VERIFIED FAULT REF FIM 30-41 TASK 811 PRIMARY SENSOR WAS OUT OF LIMITS. SWITCHED TO SPARE SENSOR. FAULT NO LONGER ACTIVE ALL TEST PASS WINDOW HEATS NORMALLY.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 22,534 hrs · 7,048 cycles

PRESSURIZATION AUTO FAIL ILLUMINATED AFTER LANDING. GROUNDED - YES. ACCOMPLISHED #1CPC BITE REF B737-900 FIM 21-31 TASK 801. FOUND NO ACTIVE FAULTS. IN HISTORY IT SHOWED OFV FAIL, ONE TIME. ABLE TO CLEAR FAULT LOGGED. PERFORMED PRESSURIZATION SYS MANUAL MODE TEST. TEST PASSED. NO FAULTS LOGGED. REF AMM 21-31-00-710-801. PERFORMED CPC GROUND TEST ALL TESTS PASSED. OFVLV LOOKS CLEAR OF ANY FOD.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 22,426 hrs · 7,021 cycles

CAPTAIN'S FMC CDU WENT BLANK. "CALL AND FAIL" LIGHTS ILLUMINATED AFTER 30 SECONDS RETURNED TO NORMAL OPERATION. GROUNDED - YES. REF B737-900 FIM 34-61 TASK 803: PERFORMED LEFT CDU DISPLAY TEST, COLOR TEST, KEY TEST NOTING CORRECT OPERATION. PULLED/RESET 1 CB. LEFT CDU POWER UP SAFETY TEST SUCCESSFUL W/ NO DEFECTS OBSERVED. ETOPS GROUND VERIFICATION SUCCESSFUL.

Part: LENS — DETACHED (L2 DOOR) · airframe 22,451 hrs · 7,027 cycles

L2 EXIT LIGHT COVER LOOSE. MAG FALL OFF. GROUNDED - YES. SECURED L2 EXIT LIGHT COVER OK FOR SVC.

Part: WARNING LIGHT — FALSE ACTIVATION (WINDOW HEAT) · airframe 22,182 hrs · 6,945 cycles

LEFT SIDE WINDOW OVERHEAT LIGHT CAME ON. FOLLOWED CHECKLIST, LIGHT EXTINGUISHED. GROUNDED - YES. ACCOMP. WINDOW HEAT SYSTEM OPS TEST, TEST PASS REF. B737-900 M/M 30-41-00-710-801.

Part: SENSOR — DIRTY (COCKPIT TEMP) · airframe 21,864 hrs · 6,851 cycles

CONT CABIN 'ZONE TEMP' ILLUMINATES ON RECALL AND EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. PACK/ZONE TEMP CONTROLLER BITE PER B737-900 FIM 21-62 TASK 801 SHOWED FAULT FOR CONTROL CABIN TEMP CONTROL VALVE BUT VERIFY TEST DID NOT CONFIRM FAULT. FOUND CONTROL CABIN TEMP SENSOR AND FILTER DIRTY - CLEANED SENSOR AND REPLACED FILTER. PERFORMED CABIN TEMP CONTROL AND INDICATION OPERATIONAL TEST PER B737-900 AMM 21-61-00-700-807-002 AND PZTC BITE PER ABOVE FIM - ALL TESTS PASS.

Part: CONTROL VALVE — FAULTY (LEFT ECS BAY) · airframe 21,327 hrs · 6,705 cycles

WHILE PERFORMING T/C NG-21EA-23228-1 FOUND TCV FAULT ON ZONE TEMP CONT #1 GROUNDED - YES. REMOVED AND REPLACED L/H TCV REF B737-900 MM 21-51-10-400-801, OPS AND LEAK CHECK OK.

Part: DISPLAY — INTERMITTENT (FIRST OFFICER'S) · airframe 21,278 hrs · 6,690 cycles

FIRST OFFICER'S NAVIGATION DISPLAY INTERMITTENTEY SHOWS "VTK FLAG". GROUNDED - YES. VERIFIED FAULT, R/H FMC CYCLES ON & OFF. CYCLED BOTH FMC CMPTR C/B'S. ACCOMP. FMC BITE TEST RFMC SHOWS PGM FAULT, INTERMITTENT. ACCOMP. FMC SENSOR STATUS TEST ALL SHOW OK REF. B737-900 M/M 34-61-00-710-026 B737-900 FIM 34-61 TASK 801 & TASK 807. SEA/MC NOTIFIED ARNIE.

Part: REGULATOR — FAILED (NR 2 ENGINE) · airframe 21,228 hrs · 6,671 cycles

FOLLOW-UP TO REPORT OF RIGHT BLEED TRIP IN FLIGHT, ACCOMPLISH RIGHT ENGINE PNEUMATIC SYSTEM HEALTH CHECK PER TASK CARD NG-36WC-00002-2 GROUNDED - YES. ACCOMPLISHED T/C NG-36WC-00002-2 THROUGH STEP 4L FOUND HSR BAD. REMOVED AND REPLACED HSR REF B737-800 AMM 36-11-07-400. COMPLETED T/C NG 36-WC-00002-2 PERFORMED CROSS OVER CHECK REF AMM 36-11-00-710 NO DEFECTS NOTED.

Part: FMC — FAILED (LEFT) · airframe 21,224 hrs · 6,669 cycles

HAD A LEFT SIDE VTK FLAG AND DUAL FMC FAILURE TWICE DURING FLIGHT. BOTH TIMES RECOVERED AND CLEARED WITHIN ABOUT 30 SEC- 1 MIN. GROUNDED - YES. PER B737-900 AMM 34-61-00 THIS IS A NUISANCE ERROR, ACCOMPLISHED SENSOR CK OF BOTH L & R FMC REF FMC BITE B737-900 FIM 34-61 TASK 801 NO SENSOR FAIL. FLT FAULT HAD R FMC FAULT, ACCOMPLISHED FIM 34-61 TASK 824 WITH NO SUBSEQUENT FAULTS.

Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 20,877 hrs · 6,563 cycles

R1 SLIDE LIGHT INOP. GROUNDED - YES. RELAMPED. OPS CHECK GOOD PER B737-900 AMM 33-51-04.

Part: TRANSITION PANEL — CORRODED (AFT PIT FLOOR) · corrosion level 2 · airframe 20,166 hrs · 6,321 cycles

AFT PIT FLOOR TRANSITION PANEL RT SIDE BETWEEN STA 727I&J- STA 767 HAVE CORROSION AROUND FASTENER HOLES. GROUNDED-YES. REMOVED CORROSION ORG THICKNESS .040, PER B737-900ER SRM 53-60-53-01-2. REMOVED .005 MATERIAL OUT OF LIMITS, PER B737-900ER 53-00-53-1A-2. REMOVED, FABRICATED AND INSTALLED PER B737-900ER SRM 53-00-53-2R-5.

Part: TRANSITION PANEL — CORRODED (AFT PIT FLOOR) · corrosion level 2 · airframe 20,166 hrs · 6,321 cycles

AFT PIT FLOOR TRANSITION PANEL LT SIDE BETWEEN STA 727I & J- STA 797 HAVE CORROSION AROUND FASTENER HOLES. GROUNDED-YES. REMOVED CORROSION ORG THICKNESS .040, PER B737-900ER SRM 53-60-53-01-2. REMOVED .008 MATERIAL OUT OF LIMITS, PER B737-900ER SRM 53-00-53-1A-2. REMOVED, FABRICATED, AND INSTALLED, PER B737-900ER SRM 53-00-53-2R-5.

Part: TRANSITION PANEL — CORRODED (AFT PIT FLOOR) · corrosion level 2 · airframe 20,166 hrs · 6,321 cycles

AFT PIT FLOOR TRANSITION PANEL RT SIDE BETWEEN STA 727E&F- STA 727I & J HAVE CORROSION AROUND FASTENER HOLES. GROUNDED-YES. REMOVED, FABRICATED AND INSTALLED AFT PIT TRANSITION PANEL ON RT BETWEEN FS 727E AND F TO FS 727I AND J. REMOVED CORROSION ORIG THICKNESS .040, PER B737-900ER SRM 53-60-53-01-2. REMOVED .008 MATERIAL OUT OF LIMITS, PER B737-900SRM 53-00-53-1A-2. REMOVED, FABRICATED, AND INSTALLED, PER B737-900ERSRM 53-00-53-2R-5.

Part: TRANSITION PANEL — CORRODED (FWD CARGO) · corrosion level 2 · airframe 20,166 hrs · 6,321 cycles

FWD PIT R/H FLOOR TRANSITION PANEL BETWEEN STA 500G - STA 500L HAS CORROSION AROUND FASTENER HOLES. GROUNDED - YES. REMOVED CORROSION ON R/H TRANSITION PANEL STA 500G-500L, ORIGINAL MATERIAL :.040 MATERIAL REMOVED: .040. TOTAL MATERIAL LOSS .040. REMOVED TRANSITION PANEL PER ASA B737-900ER SRM 53-00-53-2R-5. FABRICATED NEW PANEL PN: BA :1496-444 ZEE CHANNEL 7075T62 PO:883991.1 IAW ASA B737-900ER SRM 53-00-53-2R-5 INSTALLED NEW PANEL PER ASA B737-900ER SRM 53-00-53-2R-5

Part: PLATFORM — DAMAGED (NR 2 ENGINE FAN) · airframe 20,004 hrs · 6,280 cycles

WHILE ACCOMPLISHING T/C 78472010 NR 2 ENGINE NR 24 FAN BLADE PLATFORM GOUGED ON AFT LUG. GROUNDED-YES. REMOVED AND REPLACED NR 2 ENGINE FAN BLADE PLATFORM, PER T/C #78472010.

Part: FMC — INOPERATIVE (LEFT) · airframe 19,914 hrs · 6,256 cycles

LEFT FMC INOPERABLE AFTER LANDING. GROUNDED-YES. VERIFIED LEFT FMC PROMPT NOT DISPLAYED. LEFT FMC LOGGED PGM FAULT. PERFORMED B737-900 FIM 34-61 TASK 836. SYSTEM OPERATIONS NORMAL.

Part: CIRCUIT BREAKER — TRIPPED (WINDOW HEAT) · airframe 18,973 hrs · 5,963 cycles

RH NO. 1 WINDSHIELD HEAT INDICATES "OVERHEAT" AT 12 DEGREES C. WINDSHIELD IN SHADE. GROUNDED - YES. FOUND FRONT R/H WINDOW HEAT C.B. OPEN. INSPECTED CIRCUIT BREAKER, NO DEFECTS NOTED REF B737-900 AMM 30-41-710-801

Part: SIGN — DETACHED (CABIN) · airframe 18,864 hrs · 5,938 cycles

R2 DOOR EXIT SIGN FELL OFF. GROUNDED - YES. RESECURED EXIT SIGN LOCATED IN AFT GALLEY R/H SIDE OF WASTE CONTAINER AS REQUIRED OK TO CONTINUE SERVICE.

Part: SATCOM — MALFUNCTIONED · airframe 18,790 hrs · 5,920 cycles

SATCOM INOP. GROUNDED - YES. ACCOMP RE-CYCLING OF A/C EXT PWR & BATTERY. ACCOMP SATCOM BITE & OPS TEST. SATCOM SYS. CHECKED GOOD. REF B737-900 AMM TASK 23-15-00-730-801 & B737-900 FIM TASK 23-15 TASK 801.

Part: FMC — MALFUNCTIONED (LEFT) · airframe 18,715 hrs · 5,899 cycles

LEFT FMC FAILED IN CRUISE FLT AT FL380. GROUNDED - YES. VERIFIED LH FMC FAILED. ACCOMPLISHED B737-900 FIM 34-61 TASK 807 TEST OF FMC, OKAY. FMC PROMPT IS NOW SHOWN ON MCDU PAGE. NO LH FMC FAILURE MESSAGE NOTED ON BITE TEST.

Part: WARNING LIGHT — FALSE INDICATION (PITOT HEAT) · airframe 18,519 hrs · 5,842 cycles

CAPT PITOT HEAT LIGHT ILLUMINATED AND CIRCUIT BREAKER TRIPPED. GROUNDED - YES. IAW FIM 30-31 TASK 806/-802, RESET THE CIRCUIT BREAKER IAW AMM 20-60-01, CIRCUIT BREAKER DID NOT TRIP, WAITED 20 MIN. ACFT OK FOR SERVICE.

Part: AUTOLAND SYS — MALFUNCTIONED · airframe 18,362 hrs · 5,794 cycles

AUTOLAND FAIL, AUTOPILOT TRACKED LOCALIZER AND GLIDESLOPE WELL UNTIL APPROXIMATELY 60 FEET AGL JUST PRIOR TO AND DURING LANDING FLARE, THE AIRCRAFT DRIFTED LEFT OF CENTERLINE BY APPROXIMATELY 50 FEET. AUTOPILOT WAS DISCONNECTED AND AIRCRAFT WAS LANDED MANUALLY. GROUNDED - YES. ACCOMPLISHED 22-11-801 BITE GROUP 20 NO LOGGED FAULTS. LAND VERIFY REF 22-11-00 BITE GROUP 49 - NO FAULTS. MMR BITE OK.

Part: FMC — MALFUNCTIONED (FIRST OFFICER'S) · airframe 17,642 hrs · 5,585 cycles

WHILE AT CRUISE FO'S ND HAD VTK FLAG WITH SINGLE FMC OPERATION IN SCRATCH PAD AND LOSS OF VNAV AND LNAV, AFTER ABOUT ONE MINUTE SYSTEM RESTORED ITSELF. GROUNDED - YES. PERFORMED FMC RESET PER B737-900 FIM 34-61 TASK 836. OPS CHECK NORMAL A/C OK FOR SERVICE.

Part: FMC — MALFUNCTIONED (COCKPIT) · airframe 17,360 hrs · 5,502 cycles

VTK ILLUMINATED CAPT SIDE QRH/ BOTH ON FMC R, OPS NORMAL. GROUNDED - YES. ACCOMPLISHED FMC RESET PER FIM 34-61 TASK 836 OPS NORMAL.

Part: FUEL NOZZLE — DEFECTIVE (APU) · airframe 17,145 hrs · 5,435 cycles

APU REPORTS SHOW A RAPID SPIKE IN CT5ATP TEMP CT5ATP TEMP IS AT OR ABOVE THE THRESHOLD 605 DEGREES. GROUNDED - YES. REPLACED APU FUEL NOZZLES. LEAK CHECK OK. REF AMM 49-31-14-400-801, FIM 49-90 TASK 825 STEP D(2). STEP D(10) ALSO COMPLETE, REFERS TO CONTINUED MONITORING FOR HIGH EGT.

Part: WARNING MESSAGE — FALSE ACTIVATION (AUTOLAND) · airframe 17,058 hrs · 5,411 cycles

ON HGS AIII AND AUTOLAND APPROACH, RECEIVED APPROCH WARNING ANNUNCIATION AT ABOUT 50' AGL. ACFT WAS TRACKING ABOUT 50' OR MORE TO THE LEFT. WIND WAS 170 DEGREES/11 KTS AT 500'. CRITICAL AREA WAS CLEAR. GROUNDED - YES. ACCOMPLISHED LAND VERIFY TEST IAW AMM 22-11-00-700-801. ALL TESTS PASSED WITH NO FAULTS LOGGED. GROUND VERIFICATION SUCCESSFUL.

Part: SENSOR — INOPERATIVE (APU) · airframe 16,405 hrs · 5,235 cycles

DURING WALK AROUND, HEARD LOUD "BACKFIRE" TYPE NOISE FROM APU EXHAUST AREA, COUPLED WITH A DRAMATIC REDUCTION IN AIRFLOW NOTED. HEARD X4 EVENTS AT 30 SECONDS APART, AND X2 MORE WHEN INTERNAL TO THE FLIGHT DECK. APU ON ELEC & BLEED AIR, EXT POWER AND AIR WERE BOTH DISCONNECTED. GROUNDED - YES. PER FIM 49-60 TASK 817 APU CURRENT FAULTS STILL HAS 49-61262 SPEED SENSOR 2 SHOWS OPEN CIRCUIT. SPEED SENSOR RESISTANCE TEST FAILED. SPEED SENSOR REMOVED AND REPLACED IAW AMM 49-61-21. APU BITE SHOWS NO CURRENT FAULTS. APU RUN CHECK NO ISSUES. NO LEAKS. INSTALLATION TEST GOOD.

Part: UNKNOWN — MALFUNCTIONED (COCKPIT) · airframe 16,321 hrs · 5,211 cycles

WE HAD A DUAL FMC FAILURE THREE TIMES (VTK/MAP) BIT IT CAME BACK EACH TIME. LOST VNAV DATA FOR GOOD THOUGH. GROUNDED - YES. ISSUE IS INTERMITTENT LT FMC, RT FMC HAD NO ISSUES. PERF FIM 34-61 TASK 836. OPENED, THEN RESET C/B A6 ON P18-2. L/H & R/H FMC OPS NML. ETOPS GND VERIFICATION TEST SUCCESSFUL.

Part: FMC — MALFUNCTIONED (CAPTAIN'S) · airframe 15,437 hrs · 4,978 cycles

AT CRUISE FLIGHT LEVEL 320, "VTK' FOLLOWED BY "MAP" DISPLAYED ON CAPTAIN'S NAV DISPLAY. LASTED ABOUT 15 SECONDS. NORMAL OPERATION FOLLOWED AFTER THAT. 1:30 LATER "VTK" ON CAPTAIN'S SIDE AND BOTH FMC'S LOST. FOLLOWED QRH, NO HELP. USING FMC ON RIGHT. "VTK" GONE, FMC 2 WORKED. GROUNDED - YES. REF B737-900 AMM 34-61-00-860-801, FIM 34-61 TASK 807, 34-61 TASK 837. OPS TEST NORMAL. COULD NOT DUPLICATE.

Part: FMC — MALFUNCTIONED (COCKPIT) · airframe 14,796 hrs · 4,788 cycles

IN CRUISE L FMC FAILED IN CRUISE FMC RECOVERED ON ITS OWN. A/P ENTERED CWS-R AND ALT HOLD. NO FMC DATA ON BOTH CDU. FAILED AGAIN. GROUNDED - YES. RESET NR 1 FMC IAW FIM 34-61-TASK 836 GRND VERIFICATION SUCCESSFUL.

Part: FMC — MALFUNCTIONED (LEFT) · airframe 14,124 hrs · 4,595 cycles

LEFT FMC FAILED BRIEFLY. RECOVERED AFTER ABOUT FIVE SECONDS. NORMAL OPS THEREAFTER. GROUNDED - YES. PERFORMED B737-900 FIM 34-61-00-810-836. LEFT FMC OPS NML. INTERMITTENT FAULT PER FIM.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 13,008 hrs · 4,256 cycles

CAPTAIN'S F/D WILL NOT ENGAGE F/D FLAG ILLUMINATED. GROUNDED - YES. CONFIRMED. OPENED, THEN RESET 1 EA C/B ON P18-1, D2 FCC A DC. FD FLAG PULLED. DFCS LRU RPLC TEST GOOD REF B737-900 FIM 22-11 TASK 801 AND B737-900 AMM 22-11-00.

Part: HF COMM — MALFUNCTIONED (NR 2) · airframe 12,798 hrs · 4,191 cycles

NR 2 HF SHOWS FAIL IN ACTIVE AND STANDBY WINDOW, WHEN IN DATA MODE AND COMM MODE. CALLED AND HAD A POSITIVE CHECK AND COMM CHECK OK. ACFT GROUNDED. TROUBLESHOT IAW FIM 23-11 TASK 802. INITIAL EVALUATION AND BITE CHECK SHOWED NO CURRENT FAULTS, NO FAULTS DISPLAYED ON WINDOWS. ACCOMPLISHED AN OPS CHECK OF THE NR 2 HF IAW AMM 23-11-00. OPS CHECKED OK.

Part: UNKNOWN — MALFUNCTIONED (FMC) · airframe 12,216 hrs · 3,993 cycles

VTK & MAP FLAG ON NAV DATA DISPLAY AND SINGLE FMC OPS DISPLAYED ON FMC. GROUNDED - YES. ACCOMPLISHED AMM FIM 34-61 TASK 836, FMC'S OPS NML.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 12,050 hrs · 3,939 cycles

AFTER LANDING, EXITING RUNWAY, AUTO FAIL LIGHT ILLUMINATED, FOLLOWED BY ALTN LIGHT ILLUMINATION. GROUNDED - YES. PERFORMED FIM 21-31 TASK 827, AUTO FAIL LIGHT, EXTINGUISHED, GROUND VERIFICATION SUCCESSFUL.

Part: SATCOM — MALFUNCTIONED · airframe 12,004 hrs · 3,925 cycles

SATCOM WOULD NOT TRANSMIT, BUT DID RECEIVE. ACFT GROUNDED. PERFORMED SATCOM LOCKUP PROCEDURE FROM QRH 5.4. SATCOM OPS NORMAL.

Part: WARNING MESSAGE — FALSE ACTIVATION · airframe 11,905 hrs · 3,891 cycles

AUTO FAIL LIGHT ILLUMINATED DURING TAXI OFF RUNWAY. ALTERNAT LIGHT ILLUMINATED. ACFT GROUNDED. PERFORMED FIM 21-31 TASK 827. AUTO FAIL LIGHT ON FAULT ISOLATION. AUTO FAIL LIGHT EXTINGUISHED, GROUND VERIFICATION SUCCESSFUL.

Part: SATCOM — LOCKED (COCKPIT) · airframe 11,866 hrs · 3,878 cycles

SAT COMM LOCKUP. GROUNDED - YES. CREW PERFORMED THE SAT COMM LOCKUP QRH SAT COMM RECOVERED.

Part: FMC — MALFUNCTIONED · airframe 11,869 hrs · 3,879 cycles

LEFT FMC SHOWED SOME INDICATIONS OF FAILING. VTK FOLLOWED BY MAP FAILURE, ON THE CAPTAIN`S NAV DISPLAY. RESTORED ON ITS OWN AFTER ABOUT 10 SECONDS BEFORE ANY CORRECTIVE ACTION WAS TAKEN. SEEMS TO BE OPERATING NORMALLY SINCE. ACFT GROUNDED. PERFORMED FIM 34-61 TASK 836 WITH NO DEFECTS NOTED, AIRCRAFT OK FOR SERVICE.

Part: SIGN — UNSECURE (EMERGENCY LIGHTS) · airframe 11,662 hrs · 3,813 cycles

EXIT SIGN ON CEILING AT ROW 16, & 17 HAS PARTIALLY FALLEN DOWN. ACFT GROUNDED. FOUND ROW 16 EMERGENCY EXIT SIGN ON CEILING HAS LOOSE FASTENERS. ADJUSTED THE SIGN AND TIGHTENED ALL LOOSE FASTENERS. OK FOR SERVICE IAW AMM 33-51-01.

Part: INSERT — DEFECTIVE (FAN DUCT) · airframe 11,217 hrs · 3,665 cycles

DURING A NR 2 ENGINE INLET INSPECTION. FOUND DAMAGE ON THE NR 3 FAN DUCT PANEL AT AFT UPPER SCREW, DOES NOT SECURE PANEL. ACFT GROUNDED. REMOVED AND REPLACED A DEFECTIVE INSERT, IAW SPM 70-42-13-350-014, AND AMM 72-23-07-400-801-F00. LEAK CHECKED GOOD IAW AMM 71-00-00-700-801-F00.

Part: FMC — MALFUNCTIONED (COCKPIT) · airframe 10,958 hrs · 3,578 cycles

BOTH FMC'S BLANKED FOR APPROX 10-15 SECONDS APPROX 10 NW BKA VOR AT FL 350: MENU PAGE BLANK AT L1: VTK FLAG ON CAPT SIDE NAV DISPLAY. GROUNDED - YES. PERFORMED FIM 34-61 TASK 807 FOUND TO BE INTERMITTENT FAULT. NO DEFECTS NOTED.

Part: CONTROL VALVE — FAULTED (LT A/C PACK) · airframe 10,854 hrs · 3,541 cycles

LEFT PACK ILLUMINATED ON RECALL & RESET ON M/C. ACFT GROUNDED. LEFT CABIN TEMP CONTROLLER BITE DONE IAW FIM 21-62 TASK 801. PACK TCV FAULT ON PREVIOUS FLIGHT, RESET ON VERIFY. BITE GOOD. REMOVED AND REPLACED THE LT TEMPERATURE CONTROL VALVE IAW AMM 21-51-10. OPS CHECKED GOOD.

Part: WARNING MESSAGE — FALSE ACTIVATION (LT A/C PACK) · airframe 10,831 hrs · 3,531 cycles

LEFT PACK ILLUMINATES WITH MASTER CAUTION RECALL. EXTINGUISHES WITH MASTER CAUTION RESET. ACFT GROUNDED. TROUBLESHOT IAW FIM 21-62, TASK 830, LEFT PACK TEMP CONTROL BITE SHOWED THIS PACK TCV. PERFORMED PZTC RESET, FAULT CLEARED. NO FURTHER MAINTENANCE ACTION REQUIRED.

Part: SLIDING WINDOW — FAILED (COCKPIT) · airframe 10,236 hrs · 3,329 cycles

ON APPROACH, THE LEFT SIDE WINDOW OVERHEAT LIGHT ILLUMINATED. QRH PROCEDURE ACCOMPLISHED. OVERHEAT LIGHT REMAINED ON WITH WINDOW HEAT ON AFTER COOLDOWN TIME. WINDOW HEAT SELECTED OFF. PERFORMED RESISTANCE CHECK OF WINDOW HEAT FILM FOR LT SIDE WINDOW AND FOUND RESISTANCE OUT OF TOLERANCE IAW AMM 30-41-21-000-801 AND WDM 30-41-12. MEL 30-11E. . REMOVED AND REPLACED THE L2 WINDOW IAW AMM 56-12-11-400-801. OPS AND LEAK CHECKED GOOD. ACFT GROUNDED.

Part: WARNING LIGHT — FALSE ACTIVATION (WINDOW HEAT) · airframe 10,236 hrs · 3,329 cycles

LEFT SIDE WINDOW HEAT LIGHT ILLUMINATED DURING DESCENT. QRH FOLLOWED. LIGHT ILLUMINATED AGAIN. SWITCHED OFF. ACFT GROUNDED. UNABLE TO DUPLICATE FAULT. LT SIDE WINDOW HEAT OPS CHECKED GOOD IAW FIM 30-41 TASK 814. NO HISTORY 30 DAYS.

Part: FMC — FAILED (LEFT) · airframe 10,049 hrs · 3,262 cycles

L FMC FAILED 3 TIMES AND SELF RECOVERED. THE 4TH TIME THE QRH WAS COMPLETED, NO ISSUES THE LAST HOUR AND A HALF OF THE FLIGHT. GROUNDED - YES. PERFORMED B737-900 FIM 34-61 TASK 801, NO FAULTS NOTED AT THIS TIME. NO HISTORY LAST 60 DAYS.

Part: RADAR — MALFUNCTIONED (WX SYSTEM) · airframe 9,951 hrs · 3,232 cycles

WXR RADAR SHOWING FALSE RETURNS IN AUTO MODE WITH WX-T SELECTED IN CLEAR AIR AT CRUISE FL340 WITH NO VISIBLE WEATHER PAINTS 3 CEUS APPROX 1/2 INCH IN DIAMETER ON 80 AND 160 NM RANGE, AT 2:00- 2:30 POSITION ON ND. CEUS DO NOT APPEAR IN MANUAL MODE. LASTED 30 MINUTES,THEN DISAPPEARED. GROUNDED - YES. PERFORMED WEATHER RADAR SYSTEM BITE PER B737-900 FIM 34-43-00-810-801 AND WEATHER RADAR SYSTEM OPS TEST PER B737-900 AMM 34-43-00-710-802-001. NO FAULTS NOTED & ALL TESTS PASS. NO HISTORY, CLEARS MEL 34-15D.

Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 9,858 hrs · 3,199 cycles

R1 EXTERIOR EMERGENCY LIGHT INOPERATIVE DURING TEST. ACFT GROUNDED. REPLACED THE LAMP AT THE R1 EXTERIOR SLIDE EMERGENCY LIGHT IAW AMM 33-51-04. OPS CHECKED GOOD.

Part: VALVE — FAULTED (CABIN TEMP) · airframe 9,735 hrs · 3,160 cycles

CONTROL CABIN ZONE TEMPERATURE ILLUMINATED ON RECALL. RESETS ON MASTER CAUTION RESET. ACFT GROUNDED. THE CONTROLLER FAULTED FLIGHT DECK TRIM VALVE. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE IAW AMM 21-61-00, TEST PASSED. FAULT RESET.

Part: CONTROL VALVE — FAULTED (RT A/C PACK) · airframe 9,055 hrs · 2,934 cycles

RIGHT PACK ILLUMINATED DURING RECALL. OFF WITH RESET. ACFT GROUNDED. RIGHT PACK PRIMARY TEMP CONTROL IS INOP. PERFORMED A PTC BITE IAW FIM 21-62 TASK 801. RT PTC SHOWS A TCV FAULT. REMOVED AND REPLACED RT PACK TVC IAW AMM 21-51-10, BITE AND OPS CHECKED GOOD. NO LEAKS AT VALVE.

Part: WARNING LIGHT — FALSE ACTIVATION · airframe 9,038 hrs · 2,930 cycles

PACK LIGHT ILLUMINATED ON RECALL. EXTINGUISHED ON RESET. ACFT GROUNDED. PERFORMED PTC BITE PROCEEDURE IAW FIM 21-62-00. TCV LIGHT ILLUMINATED AND EXTINGUISHED AFTER RESET, RECALL CHECK OK, NO 30 DAY HISTORY.

Part: FILTER — CLOGGED (TEMP SENSOR) · airframe 8,469 hrs · 2,752 cycles

DURING RECALL CONT CAB ZONE TEMP LIGHT ILLUMINATED ON MASTER CAUTION. RESET LIGHT EXTINGUISHES. ACFT GROUNDED. PACK/ZONE TEMP CONTROLLER BITE IAW FIM 21-62 TASK 801 SHOWED RIGHT PZTC FAULT FOR FLIGHT DECK TRIM VALVE. ACCOMPLISHED T/S FOR FLIGHT DECK TRIM VALVE FAULT IAW FIM 21-62 TASK 832 - INITIAL EVALUATION DID NOT CONFIRM FAULT. CHECKED FLIGHT DECK TEMP SENSOR, FOUND FILTER FULLY CLOGGED WITH DUST. REMOVED AND REPLACED TEMP SENSOR FILTER AND PERFORMED CABIN TEMPERATURE CONTROL AND INDICATION. OPERATIONAL TESTED IAW AMM 21-61-00-700-807-002, ALL TESTS PASSED. PZTC BITE IAW FIM 21-62 TASK 801 SHOWS NO FAULTS.

Part: ECU — FAILED (APU) · airframe 7,552 hrs · 2,484 cycles

ON APU START, A FAULT LIGHT ILLUMINATED. APU ECU INOPERATIVE. ACFT GROUNDED. ACCOMPLISHED APU BITE IAW TASK 49-60, TASK 801. LOGGED ECU FAILED. REMOVED AND REPLACED THE APU ECU IAW AMM 49-61-12 . GROUND VERIFICATION CHECKED OK.

Part: CONTROL UNIT — FAILED · airframe 7,552 hrs · 2,484 cycles

SPCU INOPERATIVE ELECTRIC LIGHT OVERHEAD ILLUMINATED. ACFT GROUNDED. ACCOMPLISHED BITE CHECK IAW FIM 24-31, TASK 801, SPCU FAILED. UNABLE TO CLEAR. REMOVED & REPLACED SPCU IAW AMM 24-14-11, PB 400. GROUND VERIFICATION CHECKED OK.

Part: WARNING LIGHT — FALSE ACTIVATION (NR 2 HF) · airframe 7,347 hrs · 2,423 cycles

HF 2 INDICATES FAILED. ACFT GROUNDED. PERFORMED HF COMMUNICATION SYSTEM TEST IAW AMM 23-11-00. NO DEFECTS NOTED. PERFORMED BITE PROCEDURE IAW FIM 23-11-00. NO DEFECTS NOTED. COULD NOT DUPLICATE DISCREPANCY.

Part: FMC — MALFUNCTIONED · airframe 7,261 hrs · 2,387 cycles

LEFT FMC INOP - CAPT'S. GROUNDED - YES. ACCOMPLISHED BITE ON FMC'S FLT HISTORY - LOGGED "PGM FAULT" ON LEG 2. ACCOMPLISHED FIM 34-61 TASK 807, LT FMC OPS NORMAL. A/C CHECKED AND RELEASED FROM MEL 34-36J, CREW PLACARD REMOVED, FMC TRANSFER S/W PLACED TO NORMAL POS.

Part: INTERCOSTAL — CRACKED (BS 785) · airframe 7,180 hrs · 2,363 cycles

INTERCOSTAL WEB BS 785 BELOW STRINGER 20R , FASTENER HOLES WILL NOT PASS HFEC. ACFT GROUNDED. FABRICATED A NEW INTERCOSTAL IAW DWG 146A8320 REV-, DWG 146A8322 REV-, AND EA 900ER-53EA-18712. REV 00.

Part: INTERCOSTAL — CRACKED (BS 794-847) · airframe 7,180 hrs · 2,363 cycles

AFT CARGO INTERCOSTAL BETWEEN BS 794 - 847, STRINGER 25R IS CRACKED. ACFT GROUNDED. LOCATED AND DRILLED A NEW INTERCOSTAL IAW ER 51-40-05.

Part: ANGLE — CRACKED (BS 806) · airframe 7,180 hrs · 2,363 cycles

AFT CARGO LOWER SILL INTERCOSTAL ANGLE BS 806, STRINGER 25R IS CRACKED. ACFT GROUNDED. REMOVED AND REPLACED THE ANGLE IAW DWG 146A8120, AND SRM 51-40-02.

Part: CONTROL VALVE — FAULTED (LT A/C PACK) · airframe 7,089 hrs · 2,336 cycles

LEFT PACK LIGHT ILLUMINATED ON RECALL, EXTINGUISHED ON SYSTEM RESET. ACFT GROUNDED. PERFORMED BIT ON PACK ZONE TEMP CONT 1. FOUND PACK TCV FAULT. R & R THE LEFT PACK TCV IAW AMM 21-51-10. RAN PACK, HIT RECALL. NO PACK LIGHT. OPS & BITE CHECKED GOOD.

Part: WARNING MESSAGE — FALSE ACTIVATION (TEMP) · airframe 6,930 hrs · 2,289 cycles

PRIMARY CONTROL TEMP INOPERATIVE. ACFT GROUNDED. FOUND TEMP CONTROLLER NR 2 TCV FLIGHT DECK FAULT ON PREVIOUS LEG. RAN BITE CHECK, FAULT CLEARED. CLEANED FLIGHT DECK AIR FILTER. RAN PACKS FOR 30 MINUTES. RAN BITE CHECK AGAIN, NO FAULTS FOUND.

Part: WINDOW — FAULTED (R2) · airframe 6,836 hrs · 2,254 cycles

DURING CLIMBOUT, FL280, RIGHT SIDE WINDOW OVERHEAT & MASTER CAUTION LIGHTS ILLUMINATED. ACCOMPLISHED QRH, WINDOW WOULD NOT RESET. FOLLOWED QRH AND LEFT WINDOW HEAT SWITCH OFF. ACFT GROUNDED. REMOVED AND REPLACED THE RT SLIDING WINDOW ASSEMBLY IAW AMM 56-12-11/401. OPS CHECKED AND TESTED GOOD.

Part: SLIDING WINDOW — FALSE INDICATION (COCKPIT) · airframe 6,813 hrs · 2,245 cycles

LEVEL OFF AT FL 310, RECEIVED A MASTER CAUTION ANTI-ICE RIGHT SIDE WINDOW OVERHEAT LIGHT. RAN WINDOW OVERHEAT QRH, LET WINDOW COOL FOR 5 MINUTES. OVERHEAT LIGHT CAME ON AGAIN WHEN THE SWITCH WAS TURNED ON. FOLLOWED QRH PROCEDURE AND TURNED OFF. ACFT GROUNDED. REMOVED AND REPLACED THE RT SLIDING WINDOW ASSY IAW AMM 56-12-11/401. OPS CHECKED AND TESTED GOOD.

Part: WIRE — FAILED (R2 WINDOW) · airframe 6,787 hrs · 2,237 cycles

AT CRUISE R2 WINDSHIELD OVERHEAT LIGHT ILLUMINATED, PERFORMED QRH CHECKLIST, LIGHT REMAINED OUT. ACFT GROUNDED. NUMEROUS FAULT FOR SENSOR ON WHCU BITE. RESISTANCE CHECKED FOR WINDOW COLD & EXTENDED HEAT APPLIED SHOW SAME VALUE WITHIN LIMITS, IAW AMM 30-41-21 & WDM 30-41-11. REPLACED COIL CORD, WINDOW HEAT OPERATIONAL TEST PASSED.

Part: WARNING LIGHT — FALSE ACTIVATION (WINDOW HEAT) · airframe 6,758 hrs · 2,223 cycles

RIGHT WINDOW OVERHEAT LIGHT ILLUMINATED WHILE CLIMBING THROUGH 30,000FT. RAN THE CHECKLIST, TURNED OFF SWITCH FOR 5 MINUTES AND TURNED BACK ON, OVERHEAT LIGHT ILLUMINATED AGAIN. TURNED SWITCH OFF FOR REMAINDER OF FLIGHT. ACFT GROUNDED. TURNED RT WINDOW HEAT TO ON, OVERHEAT LIGHT DID NOT ILLUMINATE. RESISTANCE CHECK OF SENSOR & HEAT FILM WITHIN LIMITS IAW AMM 30-41-21. WINDOW HEAT SYSTEM TESTED NORMAL, SHOOK ON HARNESS & OUTSIDE TEMP OF WINDOW NORMAL IAW AMM 30-41-11, NO HISTORY PAST 90 DAYS.

Part: CONTROL PANEL — FAULTY (COCKPIT) · airframe 6,571 hrs · 2,155 cycles

ALTITUDE WINDOW DISPLAY HAS SEVERAL ANOMALIES. IT APPEARS THE IS A "MINUS" SIGN IN FRONT OF THE ALTITUDE. GROUNDED - YES. CONFIRMED ALTITUDE WINDOW DISPLAY IS DISPLAYING INCORRECT. REPLACED MCP AND RESET 9 C/B'S. OPS TEST NML. REF B737-900 AMM 22-11-34. ALL TEST PASS. GROUND VERIFICATION GOOD. ACCOMPLISHED DFCS LRU INTERFACE TEST MCP BITE GROUP 32 AND LAND VERIFY BITE GROUP #49. ALL TEST PASS. ALSO ACCOMPLISHED HGS SENSOR TEST FCC/AT. ALL TEST PASS. REF LWMP CHECKLIST AMM 22-00-01 AND SMM 34-36-00. A/C REMAINS CAT IIIA AUTOLAND AND HGS. A/C PLAC SCREW REFLECTS THE SAME. CLEARS MEL22-16K.

Part: CIRCUIT BREAKER — TRIPPED (AUTOPILOT B) · airframe 6,334 hrs · 2,069 cycles

AUTO PILOT B INOPERATIVE, WOULD NOT ENGAGE. CIRCUIT BREAKER P6-2 B4 TRIPPED. ACFT GROUNDED. DIGITAL FLIGHT CONTROL SYSTEM (DFCS) BITE PROCEDURE IAW AMM 22-11-00. NO AUTO PILOT DISCONNECT FAULTS FOUND. DUE TO AFCS SYSTEM B ENGAGE INTERLOCK CIRCUIT BREAKER FOUND OPEN. ACCOMPLISHED DFCS OPS TEST IAW AMM 22-11-00. ACCOMPLISHED MCP CMD/CWS INTERLOCK BITE TEST 60.58, DISENGAGE BITE LIBRARY 60.62, MACH TRIM 60.33, SPEED / STAB TRIM BITE 60.32. ALL TESTS PASSED.

Part: SATCOM — LOCKED · airframe 6,051 hrs · 1,975 cycles

SATCOM LOCK-UP. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE PER QRH. SATCOM OPS RESTORED NORMAL.

Part: WARNING LIGHT — FALSE ACTIVATION · airframe 5,890 hrs · 1,914 cycles

DURING APU START THE APU FAULT LIGHT ILLUMINATED. ACFT GROUNDED. FOUND FAULT 49-41254 WHILE PERFORMING APU BITE, IAW FIM 49-40 TASK 821. CHECK APU BITE CURRENT STATUS FOR FAULT. FAULT NOT FOUND UNDER CURRENT STATUS, IAW FIM TASK 49-40 821, FAULT INTERMITTENT.

Part: WARNING FLAG — FALSE ACTIVATION (FLIGHT DISPLAY) · airframe 5,582 hrs · 1,795 cycles

CAPTAIN`S FLIGHT DISPLAY FLAG SHOWED AT POWER TRANSFER. ACFT GROUNDED. VERIFIED, DFCS SHOWS CHA UNAVAILABLE, CYCLED FCC DC C/B P18-1 PANEL. FCC A CH RESTORED, F/D FLAG DISAPPEARED. ACCOMPLISHED LRU REPLACEMENT TEST FOR FCC A IAW AMM 22-11-33 TEST PASSED.

Part: CONTROL VALVE — FAULTED (CABIN TEMP) · airframe 5,384 hrs · 1,724 cycles

DURING MASTER CAUTION RECALL, AFT CABIN ZONE TEMP LIGHT ILLUMINATED. ACFT GROUNDED. LT PACK ZONE TEMP CONTROLLER BITE TEST IAW AMM TASK 21-61-00-700-806-002 SHOWS "AFT CABIN TRIM VALVE ZONE TCV (V145) FAIL. REMOVED AND REPLACED AFT CABIN ZONE TRIM VALVE IAW AMM TASK 21-61-21, LEAK & OPS CHECKED NORMAL. ACCOMPLISHED GROUND VERIFICATION TEST IAW AMM TASK 21-61-00.

Part: WARNING LIGHT — ILLUMINATED (CABIN TEMP) · airframe 5,373 hrs · 1,722 cycles

AFT CABIN ZONE TEMP LIGHT ILLUMINATED DURING MASTER RECALL & EXTINGUISHED WITH MASTER RECALL RESET. GROUNDED - YES. PERFORMED PACK/ZONE TEMPERATURE CONTROLLER BITE TEST IAW AMM 21-61-00, NR 1 TEMP CONTROLLER SHOWS PREVIOUS FLIGHT "ZONE TRIM VALVE" FAULT. RAN "VERIFY" TEST ON NR 1 CONTROLLER NUMEROUS TIMES, NO FAULTS NOTED. GROUND FUNCTIONAL TESTS NORMAL. OK FOR CONTINUED SERVICE.

Part: LIGHT — INOPERATIVE (WINDOW HEAT) · airframe 5,297 hrs · 1,700 cycles

RIGHT FORWARD WINDOW HEAT LIGHT WILL NOT ILLUMINATE. ACFT GROUNDED. PERFORMED WINDOW OVERHEAT TEST TWICE, OPS CHECKED NORMAL BOTH TIMES. CHECKED WINDOW OVERHEAT BOX, NO DEFECTS. WINDOW OPS CHECKED NORMAL, OK FOR SERVICE.

Part: UNKNOWN — UNKNOWN · airframe 4,766 hrs · 1,540 cycles

RIGHT PACK LIGHT ILLUMINATES DURING RECALL, THEN EXTINGUISHES ON MASTER CAUTION RESET. PRESSURIZATION AND AIR CONDITIONING APPEAR NORMAL. ACFT GROUNDED. PERFORMED BITE TEST OF TEMPERATURE CONTROLLER, REF AMM 21-61-00, FOUND TEMPS CONTROL VALVE FAULTED ON NR 2 TEMP CONTROLLER, CLEARED AND REPEATED BITE TEST, NO FAULTS NOTED. GROUND VERIFICATION SUCCESSFUL. NO FURTHER DEFECTS NOTED.

Part: WARNING LIGHT — FALSE ACTIVATION (FMC) · airframe 4,370 hrs · 1,411 cycles

CAPTAIN'S FMC FAILED LIGHT CAME ON AND VTK AMBER LIGHT ALSO ILLUMINATED. RAN VLIST WENT BACK TO FMC NORMAL AND CAPTAIN`S FMC & VTK ILLUMINATED SO WENT BACK TO FMC BOTH ON R. ACFT GROUNDED. VTK-MAP NUISANCE ERROR IAW AMM 34-61-00. "NOT A MAINTENANCE DISCREPANCY". RELEASES ACFT FROM MEL 34-36J. NO CURRENT FAULTS FMC BITE.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 4,242 hrs · 1,363 cycles

AFTER STARTING BOTH ENGINES, PERFORMED A SYSTEM RECALL. ON RECALL THE AIR CONDITION ILLUMINATED IN THE 6-PACK. ON THE OVERHEAD PANEL THERE WAS A CONTROLLER CABIN ZONE TEMP AND LT AND RT PACK LIGHTS. PERFORMED QRH FOR THE PACK LIGHTS AND NEITHER LIGHT CLEARED. ACFT GROUNDED. BITE TEST OF NR 1 PACK ZONE TEMP CONTROLLER LOGGED. MIX MANIFOLD SENSOR AND NR 2 PACK ZONE TEMP CONTROLLER LOGGED. MIX MANIFOLD SENSOR AND DUCT SENSOR. CLEARED LOGGED FAULTS ON BOTH CONTROLLERS. BITE TEST NORMAL, REF AMM TASK 21-62-00-810-801. OPERATED BOTH PACKS, NO DEFECTS NOTED.

Part: ACTUATOR — FAILED (RAM AIR DOOR) · airframe 4,242 hrs · 1,363 cycles

LEFT RAM AIR DEFLECTOR DOOR DOES NOT FULLY OPEN. ACFT GROUNDED. R & R LT RAM AIR DOOR INLET ACTUATOR REF AMM 21-51-21.

Part: SENSOR — FAILED (E&E BAY) · airframe 4,228 hrs · 1,359 cycles

ALMOST NO AIRFLOW FROM EITHER OF THE PACKS OR THE RECIRCULATING FANS WHILE AT THE GATE, OPERATING OFF APU AIR, ENGINES OFF. APPLIES TO FLIGHT DECK AND CABIN. ACFT GROUNDED. OPERATED LT PACK AT HIGH PLUS NORMAL. PRODUCED ENOUGH AIR THEN, OVER 5 MINUTES FLOW DECREASED. NOTED ICE CRYSTALS IN FLIGHT DECK AREA WHILE PACK WAS IN HIGH. WHEN CONTROLLER CABIN TEMP SELECTOR MOVED TOWARD C, WITH LT PACK OR RT PACK RUNNING DUCT TEMP DROPS BELOW 0 DEGREE C AND FREEZES CAUSING LOSS OF AIRFLOW. NO TEMP CONTROL FAULTS. REPLACED MIX MANIFOLD TEMP SENSOR REF AMM 21-51-51. PROBLEM STILL PRESENT. REPLACED TRIM AIR MODULATING VALVE REF AMM 21-61-21. PROBLEM STILL PERSISTS. R & R PACK/ZONE TEMP CONTROLLERS 1 AND 2 REF AMM 21-61-20. PROBLEM STILL EXISTS. RETURNED CONTROLLERS, ORIGINAL. TEMP CONTROLLER NR 2 BITE SHOWED, INLET, FAULT ONCE THEN RESET, NEVER RETURNED. TEMP CONTROLLER NR 1 BITE OPS TEST PASSES WITH NO FAULTS BUT NR1 INLET RAM DOOR REMAINS CLOSED DURING CYCLE. CONTINUED ON L/P 11642814, WHEN LT PACK IS ON HIGH: CONTROLLER CABIN FULL COLD TRIM ON: BELOW 0 DEGREE, TRIM OFF: ABOVE 0 DEGREE, RT PACK HIGH CONTROLLER CABIN FULL COLD TRIM ON: 0 DEGREE, TRIM OFF: ABOVE 0 DEGREE, BOTH PACKS HIGH TRIM ON: BELOW 0 DEGREE, TRIM OFF: ABOVE 0 DEGREE REF AMM 21-61-00, 21-61-00-700-807-002. CONTROLLERS 1 AND 2 BITE OK. R & R LT TEMP CONTROL VALVE IAW AMM 21-51-10-000/400-801. OPS AND LEAK CK GOOD. NO HELP NOTED. ACCOMPLISHED RESISTANCE CHECK OF LT AND RT MIX MANIFOLD.

Part: SWITCH — OUT OF ADJUST (CABIN PRESSURE) · airframe 4,098 hrs · 1,315 cycles

AUTO FAIL PRESSURE CONTROL AMBER LIGHT CAME ON DURING TAXI IN. ACFT GROUNDED. FOUND LANDING GEAR ALT SET TO 150' - RESET, SYSTEM TESTS GOOD IAW AMM TASK 21-31-00-700-802.

Part: SENSOR — FAILED (INLET TEMP) · airframe 3,787 hrs · 1,213 cycles

APU FAULT LIGHT ILLUMINATED AFTER APU SHUTDOWN AT CONCLUSION OF ENGINE START. ACFT GROUNDED. R & R INLET TEMP SENSOR. OPS CHECK GOOD REF AMM 49-61-31.

Part: FMC — FAILED · airframe 3,734 hrs · 1,200 cycles

CAPTAIN FMC FAILED THEN RECOVERED, 45 MIN LATER BOTH FMC'S FAILED. VTK & MAP OBSERVED. ONCE AGAIN RESTORED ITSELF. NOTE, THERE WAS A ROUTE NR 2 IN THE FMC THAT CURRENT CREW DID NOT INPUT. ACFT GROUNDED. RESET BOTH FMCS, ACCOMPLISHED GROUND VERIFICATION REF AMM FMC SYS. OPS TEST AMM 34-61-00, NO FAULTS NOTED.

Part: WARNING LIGHT — FALSE ACTIVATION (LT A/C PACK) · airframe 3,622 hrs · 1,167 cycles

ON MASTER CAUTION RECALL, LT PACK AMBER OVERHEAD LIGHT ILLUMINATED. EXTINGUISHES ON MASTER CAUTION WARNING RESET. ACFT GROUNDED. ACCOMPLISHED FIM TASK 21-62, TASK 801. NO FAULTS FOUND. GROUND VERIFICATION GOOD REF FIM 21-62, TASK 848. CLEARS MEL 21-32B.

Part: OIL FILTER — CLOGGED (APU) · airframe 3,271 hrs · 1,060 cycles

APU OIL LUBE FILTER, RED INDICATOR HAS EXTENDED, POPPED. ACFT GROUNDED. R & R APU LUBE FILTER, RESET, RED INDICATOR BUTTON, IAW AMM 49-91-12. OPS CHECK AND LEAK CHECK GOOD. NO DEFECTS NOTED.

Part: DISPLAY — MALFUNCTIONED (VTK) · airframe 3,208 hrs · 1,037 cycles

VTK DISPLAYED PILOT'S ND, BLANK CDU ON FO SIDE. RAN QRH SELECTED BOTH ON RT DISPLAY RESTORED WITH BEARING FOR BOTH FMC'S INDICATER RETURNED TO NORMAL OPS. THIS SEQUENCE OCCURRED 3 TIMES. LAST TIME EVERYTHING WORKED NORMALLY FOR REMAINDER OF FLIGHT. ACFT GROUNDED. ACCOMPLISHED OPS RESET IAW AMM 34-61, TASK 836.

Part: WARNING LIGHT — FALSE ACTIVATION · airframe 2,872 hrs · 933 cycles

ATTEMPTED MLP IN NR 1 FMC APPROXIMATELY 1 HR INTO FLT, RECEIVED A ROUTE MOD UNABLE MESSAGE IN SCRATCHPAD. NR 1 FMC SCREEN WENT BLANK AND NR 1 MAP DISPLAYED VTK W/NO NAVIGATION DATA. NR 2 FMC MAP SUBSEQUENTLY FAILED BEFORE WE COULD RUN QRH. NR 2 FMC RETURNED FOLLOWED BY NR 1. HOWEVER RECEIVED SAME RT MOD UNABLE MESSAGE WHETHER WE TRIED MLP IN NR 1 OR NR 2 FMC. BOTH FMCS SUBSEQUENTLY FAILED AGAIN BUT QUICKLY RETURNED NR 2 FIRST THEN NR 1. FINALLY ABLE TO INPUT MLP. ACFT GROUNDED. LT FMC LOGGED PGM FAULT & LOC DEV SSM FAULT. PERFORMED FIM 34-61, TASK 807 & 823, ALL TESTS PASSED AND FMC LT BITE CHECK GOOD, REF FIM 34-61, TASK 801. RT FMC LOGGED PRESSURE POSITION LAT, RATE AND LOCATION DEV SSM FAULT. PERFORMED FIM 34-61, TASK 824 & 823. ALL TESTS PASSED, RT FMC BITE CHECK PASSED, REF FIM 34-61, TASK 801.

Part: FMC — FAILED (LEFT) · airframe 2,602 hrs · 847 cycles

LEFT FMC FAILED. COMPLIED WITH QRH. ACFT GROUNDED. ACCOMPLISHED FAULT ISOLATION IAW FIM 34-61, TASK 836, FMC 1 PRESENT ON MCDU 1 AND FMC CHECKS NORMAL. FMC SOURCE SELECT SWITCH SET TO NORMAL.

Part: WARNING LIGHT — FALSE ACTIVATION · airframe 1,634 hrs · 513 cycles

LEFT PACK LIGHT ILLUMINATES ON RECALL ON TAXI OUT EXTINGUISHED WITH MASTER CAUTION RESET. ACFT GROUNDED. SMART RAM AIR DOOR ACTUATOR DEACTIVATED IAW MEL 21-5D. OPERATIONAL NOTE 1 STATES PACK LIGHT MAY ILLUMINATE DURING RECALL. PRIMARY TEMP OPS NORMAL.

Part: WARNING LIGHT — FALSE ACTIVATION (A/C PACKS) · airframe 1,575 hrs · 496 cycles

AFTER START, BOTH ACFT PACK LIGHTS REMAINED ILLUMINATED. ACFT GROUNDED. BITE OF NR 2 CONTROLLER SHOWS INLET FAULT INDUCED BY MEL 21-5D. RAN BITE & FAULT CLEARS FROM NR 2 CONTROLLER REF 21-61-00. OPS NORMAL. PACK LIGHT ON LT PACK NORMAL DUE TO MEL.

Part: DOOR — LOOSE (RAM AIR DEFLECT) · airframe 1,575 hrs · 496 cycles

IMMEDIATELY AFTER APPLYING POWER TO ACFT AND ON WALK-AROUND, DISCOVERED RAM AIR DEFLECTOR DOOR, LEFT SIDE, LOOSE. ACFT GROUNDED. ON DEFERRAL.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 1,358 hrs · 424 cycles

FMC DISAGREE LIGHT CAME ON. ACFT GROUNDED. RAN QRH OPS NORMAL.

Part: WARNING MESSAGE — FALSE ACTIVATION (FMC) · airframe 1,210 hrs · 377 cycles

FMC DISAGREE ON GROUND. ACFT GROUNDED. PERFORMED QRH PROCEDURE. FMC MESSAGE NO LONGER DISPLAYED.

Part: WARNING LIGHT — FALSE ACTIVATION (TEMP) · airframe 1,054 hrs · 329 cycles

"ZONE TEMP" ILLUMINATED AFTER ENGINE START DURING RECALL ON CONT CABIN TEMP SELECTOR. ACFT GROUNDED. PERFORMED PACK/ZONE TEMP CONTROLLER BITE TEST IAW 21-61-00-700-806. NO FAULTS NOTED AT THIS TIME.

Part: EEC — MALFUNCTIONED (NR 1 ENGINE) · airframe 969 hrs · 308 cycles

WHILE PERFORMING T/C 78273000, NR 1 ENGINE SHORT TIME FAULT 73-10341 "THE FMV POSITION SIGNAL IS OUT OF RANGE" IS DISPLAYED. LOGGED ON FLIGHT LEGS 1&3. ACFT GROUNDED. PERFORMED AN EEC BITE OF NR 1 ENGINE IAW FIM TASK 73-25-803, STEP E. THERE WERE NO CURRENT OR HISTORICAL FAULTS PRESENT. PERFORMED AN ACTUATORS TEST IAW THE SAME FIM TASK, STEP E. THERE WERE NO FAULTS. PERFORMED A DVI OF ELECTRICAL CONNECTORS DP0501, HMU, AND DP0505, ELECTRONIC ENGINE CONTROL. NO DISCREPANCIES NOTED.

Part: FAULT CODE — ACTIVATED (NR 2 ENGINE) · airframe 956 hrs · 305 cycles

WHILE ACCOMPLISHING T/C 78273000, FOUND SHORT TERM FAULT ON ENGINE, NR 2. MAINTENANCE MSG THE START SWITCH SIGNAL AND BUS DATA DISAGREE. MSG NR 73-30312, FLIGHT LEG 3. ACFT GROUNDED. ACCOMPLISHED T/C 78273000, FAULT NOT ACTIVE.

Part: WARNING LIGHT — FALSE ACTIVATION (CABIN TEMP) · airframe 928 hrs · 296 cycles

ON RECALL, ZONE TEMP F/O CONTROL CAB ILLUMINATED. LIGHT WENT OUT ON RECALL. ACFT GROUNDED. RESET FAULT ON ZONE TEMP CONTROLLER. ACCOMPLISHED PACK ZONE TEMP CONTROLLER BITE, WITH NO DISCREPANCIES NOTED. RAN PACKS FOR A WHILE THE RE-ACCOMPLISHED PZTC BITE WITH NO FAULTS LOGGED. NO PRIOR HISTORY 90 DAYS, REF FIM 21-62/807.

Part: FMC — FALSE INDICATION · airframe 794 hrs · 260 cycles

CAPTAIN NO FMC DATA AND VTK FLAG, NO FMC DATA ON BOTH CDU'S. APPROXIMATELY 30 SECONDS BOTH FMC'S RESTORED AND NORMAL OPS. ACFT GROUNDED. PERFORMED FMC FAULT ISOLATION PROCEDURE IAW FIM 34-61, TASK 836 AND FMC BITE PROCEDURE IAW FIM 34-61, TASK 801, OPS CHECK GOOD, NO FAULTS NOTED.

Part: EEC — FAILED (NR 1 ENGINE) · airframe 328 hrs · 116 cycles

WHILE ATTEMPTING TO COMPLETE T/C 78273000, INTERROGATED THE FMC CDU FOR ENGINE FAULTS, ENGINE 1 EEC SHOWS WHEN RECENT FAULTS SELECTED "CH B EEC DATA NOT AVAILABLE - CANNOT ACCESS CH B". ACFT GROUNDED. WILL NOT ENTER INTO GROUND TESTS WHEN LINE 4L SELECTED. IDENT/ CONFIG SHOWS SAME FAULT. CYCLED A/C POWER AND CYCLED 4 EA, C/B'S P18-2 A1, A3, A4, AND A5, NO HELP. REPLACED NR 1 EEC REF MM 73-21- 60. OPS NORMAL, REF SAME MM REQ'D TESTS.

Part: FMC — MALFUNCTIONED (LEFT) · airframe 238 hrs · 82 cycles

LEFT FMC FAILED ABOUT 1 HOUR INTO FLIGHT. ACFT GROUNDED. PERFORMED FIM 34-61, TASK 836, 1 CIRCUIT BREAKER CYCLED. DUAL FMC, OPS RESTORED. GROUND VERIFICATION TEST GOOD. NO HISTORY.