N523AT

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHT)

L1 DOOR SLIDE LIGHT INOPERATIVE. REMOVED AND REPLACED BATTERY PACK NR 731 POWRER SUPPLY IAW MM 33-51-07. OPS CHECK NORMAL. (M)

Part: BATTERY — INOPERATIVE (EMERGENCY LIGHT)

EGRESS FLOOR LIGHTS BETWEEN ROW 5 TO ROW 9 INOPERATIVE. REMOVED AND REPLACED NR 731 BATTERY PACK AND POWR SUPPLY EGRESS LIGHTS, OP'S CHECK NORMAL. (M)

Part: MONITOR — FAILED (COCKPIT)

EICAS MSG ENGINE VIB DISPLAYED, INTERMITTENLY CAME ON IN CLIMB, WENT OUT IN CRUISE FAILED TO .1 CAME BACK 1.0-1.1. T/S PER FIM 77-31-00. REMOVED AND REPLACED AVM SYSTEM IAW M/M 77-31-00. (M)

Part: WARNING LIGHT — ILLUMINATED (LT ENGINE FIRE)

EICAS STATUS MSG LEFT ENGINE FIRE LOOP NR 1 DISPLAYED. DEFERRED PER MEL 26-11-1. (M)

Part: CIRCUIT CARD — MALFUNCTIONED (LT ENGINE FIRE)

LT ENGINE FIRE LP-1 DISPLAYED. RERACKED AFOLTS CARD IAW FIM 26-11-00. RERACKED IAW AMM 26-10-01. OK FOR SERVICE. (M)

Part: PCU — FAILED (LT ENGINE)

ON DESCENT, LT EEC AND LT ENG LIMITER INOP LIGHTS ILLUMINATED. EICAS MSG LT ENG EEC AND LT ENG LIMITER DISPLAYED. ON ENGINE START STARTER DID NOT DISENGAGE AT 49 PERCENT. BIT BVCU FOUND CODE 06, REPLACED PCCU. ENGINE START AND OPS SATIS MM 73-21-10-4. (M)

Part: FIRE DETECTOR — MALFUNCTIONED (LT ENGINE)

LEFT ENGINE FIRE LP 1. PERFORMED FIM PROCEDURE 26-11-00, OPS CHECK NORMAL. (M)

Part: INDICATOR — INOPERATIVE (MLG)

RIGHT MAIN GEAR GREEN LIGHT INOPERATIVE. REPLACD RIGHT MLG LAMP ASSEMBLY PER CHAPTER 20 PART USED WAS CCN 3221420. (M)

Part: GOVERNOR — INOPERATIVE (ENGINE)

LT ENGINE WOULD NOT REACH TO EPR WITH EEC AND ENG LIMITER ON. ENG PARAMETERS NORM FOR LOW EPR TO WITH EE C AND ENG LIMITER OFF NOT CHECKED. REMOVED AND REPLACED NR 1 ENG FFG IAW MM. REF DIS 7100-482 AND -483 FOR LEAK CHECK AND POWER PLANT ADJUSTMENT TEST.

Part: FIRE WARNING — FALSE ACTIVATION (COCKPIT)

STATUS MSG L ENGINE FIRE LP1 ON IN CRUISE, EXTINGUISHED UPON DESCENT. S/D - CONTINUALLY CHECKED ALL DETECTORS. MESSAGE IS NOT PRESENT ON EICAS. SWAPPED LOOP 1 AND LOOP 2 FIRE DETECTION CARD FILE. LOOP 1 S/N 18837 P/N 6445-01. LOOP 2 S/N 18869 P/N 6445-01. FIRE DETECTION CARD FILE IAW MM 26-10-01-4. OPS NORMAL. (M)

Part: WIRE — DISCONNECTED (EMERGENCY LIGHT)

FLOOR TRACK EGRESS LIGHTS INOPERATIVE AT ROW 10. RECONNECTED WIRES ON LIGHT ASSEMBLY, OPS NORMAL. (M)

Part: WIRE — DISCONNECTED (EMERGENCY LIGHT)

EMEGENCY ESCAPE PATH LIGHTS INOPERATIVE AT 2 FED, 3 BULBS. RECONNECTED WIRES TO LIGHT BULB FIXTURES, OPS CHECK GOOD. (M)

Part: GCU — FAILED (E/E BAY) · airframe 12,138 hrs · 4,004 cycles

(ORIG-CLOSED) FLT 431. ON TAKEOFF ROLL BELOW 40 KTS, RT GENERATOR TRIPPED OFF. AIRCRAFT RETURNED TO GATE. MAINTENANCE REMOVED AND REPLACED THE RT GCU IAW MM. PERFORMED GENERATOR CONTROL ADJUSTMENT AND TEST IAW AMM OPERATIONAL CHECKS NORMAL.

Part: GENERATOR — INOPERATIVE (RT ENGINE) · airframe 12,113 hrs · 3,996 cycles

(ORIG-CLOSED) FLT NR 576. DURING CRUISE RT GENERATOR OFF DISPLAYED. RT GENERATOR OFF LIGHT ILLUMINATED. GENERATOR SWITCH RESET DID NOT CORRECT CONDITION. CREW DEACTIVATED SYSTEM. MAINTENANCE INSTALLED SERVICABLE RIGHT ENGINE GENERATOR DRIVE ASSY IAW MM. OPERATIONAL CHECKS GOOD.

Part: TERMINAL — BURNED (WINDOW HEAT) · airframe 11,990 hrs · 3,960 cycles

(ORIG-CLOSED) LT FORWARD WINDOW HEAT INOPERATIVE. MAINTENANCE FOUND WIRES BURNED ON TB5031. INSTALLED NEW TERMINAL BOARD TB5031. RETERMINATED AND REINSTALLED WIRES IAW WDM 24-51-11 AND 24-21-14. OPERATIONAL CHECKS GOOD.

Part: FMC — FAILED (E/E BAY) · airframe 10,317 hrs · 3,381 cycles

FLIGHT NUMBER 710, RIGHT FMC FAILED ON TAXI OUT. AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REMOVED AND REPLACED THE RIGHT FMC COMPUTER IN ACCORDANCE WITH MM 34-61-01-024, OPERATIONAL CHECKS GOOD.

Part: NOZZLE — CRACKED (NR 1 ENGINE)

DURING A-CHECK, THE NR 1 ENGINE COMMON NOZZLE ASSY WAS FOUND CRACKED AT BOTH THE INBOARD AND OUTBOARD HOIST ATTACH POINTS. MAINTENANCE REMOVED AND REPLACED THE NOZZLE ASSY. (M)

Part: NOZZLE — CRACKED (NR 2 ENGINE)

DURING A-CHECK, THE NR 2 ENGINE COMMON NOZZLE ASSY WAS FOUND CRACKED AT THE INBOARD HOIST ATTACH POINT. MAINTENANCE REPAIRED THE ASSY IAW AMTA ERA-757-78R-4616 AND ROLLS-ROYCE TECHNICAL VARIANCE DOCUMENT F37183. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: DUCT — CRACKED (APU)

WHILE SERVICING APU FOUND A HOLE ABOUT 2 INCHES IN DIAMETER AND A CRACK ABOUT 3 INCHES LONG IN THE BLEED AIR TEE DUCT. REPLACED THE TEE DUCT PER MM 49-53-01, OPERATIONAL CHECKED OK. (M)

Part: SLIDE — DEPLOYED (PAX DOOR)

DURING GROUND HANDLING, A CLEANER UNINTENTIONALLY ACTIVATED THE R1 DOOR WITH THE ESCAPE SLIDE HANDLE IN ARMED POSITION. SLIDE FULLY DEPLOYED AND DOOR ASSIST BOTTLE BLOWN. REPLACED SLIDE -AFT ASSY AT R1 DOOR PER MM 25-66-01 AND REPLACED THE DOOR ASSIST BOTTLE PER MM 52-11-30. AIRCRAFT RETURNED TO SERVICE. (M)

Part: SLIDE — DEPLOYED (PAX DOOR)

DURING GROUND HANDLING, A CLEANER UNINTENTIONALLY ACTIVATED THE R1 DOOR WITH THE ESCAPE SLIDE HANDLE IN ARMED POSITION. SLIDE FULLY DEPLOYED AND DOOR ASSIST BOTTLE BLOWN. REPLACED SLIDE, RAFT ASSY AT R1 DOOR PER MM 25-66-01 AND REPLACED THE DOOR ASSIST BOTTLE PER MM 52-11-30. AIRCRAFT RETURNED TO SERVICE. (M)