N738AL

Part: APU — SHUTDOWN · airframe 24,920 hrs · 6,630 cycles

AIRCRAFT GROUND EVENT IN KOA. THE APU AUTO SHUTDOWN FOR LOW OIL PRESSURE INDICATION. MAINTENANCE VISUALLY CHECKED OIL LEVEL AND VERIFIED AT FULL. THE APU WAS RESTARTED AND RAN NORMAL WITH NO DEFECTS NOTED. AIRCRAFT WAS RETURNED TO SERVICE.

Part: OIL COOLER — UNKNOWN (APU OIL SYSTEM)

AIRCRAFT GROUND EVENT IN SNA, THE APU AUTO SHUTDOWN FOR HIGH OIL TEMPERATURE INDICATION AND FAULT CODE 49-91005. MAINTENANCE PERFORMED FIM TASK 49-90-00-810-801, REMOVED AND REPLACED THE APU OIL COOLER PER AMM 49-91-41-000-801. MAINTENANCE ALSO REMOVED AND REPLACED THE APU OIL TEMPERATURE CONTROL VALVE PER AMM 49-91-21-000-801. NO DEFECTS NOTED ON GROUND RUN. AIRCRAFT WAS RETURNED TO SERVICE. A FLIGHT VERIFICATION WAS COMPLETED.

Part: APU — SHUTDOWN · airframe 24,920 hrs · 6,630 cycles

AIRCRAFT GROUND EVENT IN OGG, THE APU AUTO SHUTDOWN FOR LOW OIL PRESSURE INDICATION. MAINTENANCE COMPLIED WITH FIM TASK 49-90-00-810-803. INSPECTED THE LOW OIL PRESSURE SWITCH AND THE OIL DELTA P INDICATOR WITH NO DEFECTS NOTED. APU OPERATED NORMAL WITH ALL INDICATIONS NORMAL. AIRCRAFT WAS RETURNED TO SERVICE.

Part: IDG — FAILED (NR 1 ENGINE) · airframe 24,758 hrs · 6,586 cycles

NON-ETOPS FLIGHT 483 RNO-SNA. AFTER ENGINE START, CREW NOTED THE NR 1 ENGINE IDG DRIVE LIGHT ILLUMINATED. CREW DISCONNECTED THE NR 1 IDG AND RETURNED TO GATE WITHOUT FURTHER INCIDENT. MAINTENANCE DEFERRED THE NR 1 IDG PER MEL 24-1-2 AND RELEASED THE AIRCRAFT FOR SERVICE. FLIGHT 483 CONTINUED TO SNA WHERE MAINTENANCE REMOVED AND REPLACED THE NR 1 IDG IN ACCORDANCE WITH ALOHA MAINTENANCE TASK FORM M-727. THE IDG PASSED ALL MAINTENANCE CHECKS AND INSPECTIONS AND THE AIRCRAFT WAS RELEASED FOR SERVICE. THE IDG PASSED A FLIGHT VERIFICATION ON THE NEXT FLIGHT LEG.

Part: TRANSCEIVER — FAILED (NR 2 HF SYSTEM) · airframe 24,386 hrs · 6,490 cycles

ETOPS FLT 477 OAK-KOA - DURING CRUISE FLIGHT, CREW NOTED THAT THE NR 2 HF RADIO WOULD NOT TRANSMIT. CREW CONTINUED TO KOA WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NR 2 HF TRANSCEIVER AND COMPLETED NECESSARY CHECKS PER AMM 23-11-21-00-001/400. AIRCRAFT WAS RELEASED FOR SERVICE AND PLACED ON FLIGHT VERIFICATION. THE NR 2 HF PASSED THE FLIGHT VERIFICATION AS OPERATIONAL THE FIRST 60 MINUTES OF FLIGHT.

Part: COUPLER — FAILED (HF SYSTEM) · airframe 24,386 hrs · 6,490 cycles

ETOPS FLT 478 KOA-OAK. AFTER THE NR 2 HF PASSED THE FLIGHT VERIFICATION FROM FLIGHT 477 (PREVIOUS FLIGHT LEG), THE NR 2 HF LATER BECAME UNABLE TO TRANSMIT DURING CRUISE FLIGHT. CREW CONTINUED TO OAK WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NR 2 HF COUPLER PER AMM 23-11-61-4 AND COMPLETED OPERATIONAL CHECKS. AIRCRAFT WAS RETURNED TO SERVICE AND PLACED ON FLIGHT VERIFICATION. AIRCRAFT PASSED FLIGHT VERIFICATION.

Part: RADIO — FAILED (HF SYSTEM) · airframe 24,243 hrs · 6,453 cycles

FLIGHT 478 KOA-OAK - DURING CRUISE FLIGHT, CREW NOTED THE NR 2 HF RADIO WOULD NOT TRANSMIT VOICE. CREW CONTINUED TO OAK WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED A BITE CHECK AND AN OPERATIONAL CHECK WITH NO FAULT FOUND PER AMM 23-11-00. AIRCRAFT WAS RELEASED FOR SERVICE AND A SUCCESSFUL FLIGHT VERIFICATION WAS COMPLETED ON THE NEXT FLIGHT LEG.

Part: WARNING LIGHT — FALSE ACTIVATION (CROSSBLEED) · airframe 24,090 hrs · 6,414 cycles

NON-ETOPS FLT 467 SNA-SMF. ON CLIMB FROM SNA CREW NOTED THE CROSSBLEED WARNING INDICATION ABOVE THE NR 1 ENGINE N1 ON THE DISPLAY UNIT. THIS ITEM WAS ON A FLIGHT VERIFICATION SO THE CREW DECIDED TO RETURN TO SNA. THERE WAS ALSO A PSEU FAULT INDICATION. THE AIRCRAFT LANDED IN SNA WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND AND RESET FAULT 29-29001. MAINTENANCE COMPLETED A SUCCESSFUL OPERATIONAL CHECK IAW FIM TASK 29-20-00-810-809. THE AIRCRAFT WAS RETURNED TO SERVICE. AIRCRAFT WAS PLACED ON FLIGHT VERIFICATION AND THE CREW FOUND NORMAL SYSTEM OPERATION IN FLIGHT.

Part: IDG — FAILED (NR 2 ENGINE) · airframe 24,038 hrs · 6,400 cycles

DURING CRUISE FLIGHT, CREW NOTED NR 2 GENERATOR OFF BUS AND SOURCE LIGHTS ILLUMINATED. CREW DISCONNECTED THE NR 2 IDG. CREW LANDED IN OAK WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NR 2 IDG PER AMM 24-11-11-4 AND COMPLETED ALL NECESSARY OPERATIONAL CHECKS PER AMM 24-11-00-5.

Part: RADIO — FAILED (NR 2 HF SYSTEM) · airframe 24,050 hrs · 6,400 cycles

DURING CRUISE FLIGHT THE CREW NOTED THE NR 2 HF RADIO WOULD NOT TRANSMIT ON ANY FREQUENCY. CREW LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REINSTALLED THE NR 2 HF AND COMPLETED THE REQUIRED THE OPERATIONAL CHECKS. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: SENSOR — INTERMITTENT (TE FLAPS)

ON APPROACH, FLAPS STUCK AT 5 DEGREES. NO OTHER WARNING INDICATIONS. SET FLAPS USING ALTERNATE FLAP UNIT. UNEVENTFUL LANDING AT ONT. MAINTENANCE PERFORMED FSEU BITE CHECK PER AMM 27-51-00-810-802. NO EXISTING FAULTS NOTED. FAULT HISTORY SHOWS TE FLAP SENSOR LEFT INTERMITTENT FAULT. PERFORMED TE FLAP OPS CHECK PER AMM 27-51-00-810-836. OPS CHECK OK. FLIGHT VERIFICATION, FLAPS CYCLED TO 40 DEGREES ON LANDING. FLAPS CYCLED OKAY. NOTED BY MAINTENANCE. FLIGHT VERIFICATION ACCOMPLISHED.

Part: ACTUATOR — FAILED (LE SLAT)

FLIGHT 482, HNL-SNA: L/E FLAP TRANSIT LIGHT REMAINED ON AFTER TAKEOFF, QRH COMPLETED AND RETURN TO HNL. WEIGHT ON LANDING APPROXIMATELY 150,000 LBS, LOW SINK RATE AT TOUCHDOWN. FOUND THE NR 2 AND NR 5 SLAT ACTUATORS INTERNALLY BYPASSING, REPLACED NR 2 AND NR 5 SLAT ACTUATORS IAW AMM 27-81-41-4. LEAK AND OPS CHECK GOOD. PERFORMED OVERWEIGHT LANDING PHASE I INSPECTION IAW AMM 05-51-35-2, NO DEFECTS NOTED. AIRCRAFT RETURNED SERVICE.

Part: ACTUATOR — FAILED (LE SLAT)

L/E FLAP TRANSIT LIGHT ON AFTER FLAP RETRACTION. SOME LEADING EDGE DEVICES REMAIN EXTENDED. OVERWEIGHT LANDING 151,300 LBS AT 50 FEET PER MINUTE. PHASE 1A REF 05-51-35-2, LANDING SINK RATE WAS LOW TO MODERATE, INSPECTION COMPLETE, NO DEFECTS NOTED. REPLACED EXTEND HYDRAULIC FUSE IAW AMM 27-81-61-4. GROUND OPS CHECK GOOD. REPLACED RETRACT HYDRAULIC FUSE IAW AMM 27-81-61-4. GROUND OPS CHECK GOOD. REPLACED NR 6 L/E SLAT ACTUATOR IAW AMM 27-81-41. OPS AND LEAK CHECK GOOD IAW AMM 27-81-00-700-802 AND 27-81-00-710-801. AIRCRAFT RETURNED TO SERVICE.

Part: APU — FAILED

APU LOW OIL PRESSURE LIGHT CAME ON. FAULT 49-911007, INSPECTED APU, NO OIL IN TANK. ADDED 5 QTS. EVIDENCE OF OIL LEAK ON APU SHROUD. REMOVED AND REPLACED APU IAW M-715 AND CONFORMED WITH TASK CARDS 49-152-00-01, 49-040-00-01, AND 49-030-00-01. VERIFIED OPS AND LEAK CHECK OK. AIRCRAFT RETURNED TO SERVICE.

Part: PITOT TUBE — OBSTRUCTED (PITOT/STATIC SYS)

DURING TAKEOFF ROLL THE CAPTAINS AIRSPEED INDICATOR ACCELERATED SLOWER THAN THE FIRST OFFICERS AIRSPEED INDICATOR. AFTER LIFT-OFF, THE AIRCRAFT EXPERIENCED AN ENGINE WARNING LIGHT AND STICK SHAKER WARNING. RETURNED WITH NO FURTHER INCIDENT. MAINTENANCE PERSONNEL FOUND A WASPS NEST (MUD DOBBER) IN THE CAPTAINS PITOT PROBE. THE PITOT PROBE WAS CLEANED. LEAK AND OPERATIONAL CHECKS WERE GOOD. OVERWEIGHT LANDING INSPECTION WAS COMPLETED AND THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: SLIDE — DEPLOYED (CABIN)

FORWARD SERVICE DOOR EMERGENCY SLIDE CHUTE INADVERTENTLY DEPLOYED UPON INSTALLATION OF SHELL. REPLACED EMERGENCY SLIDE CHUTE. (M)