N142AA

MCDONNELL DOUGLAS DC-10-30 No injuries Part 121 — AMERICAN AIRLINES, INC.

Operated by AMERICAN AIRLINES (per NTSB report)

MCDONNELL DOUGLAS DC-10 Serious injury Part 121 — operator not named in the NTSB record

ATA 3260

Part: UPLOCK SWITCH — DEFECTIVE (ZONE 700) · airframe 3,530 hrs · 2,168 cycles

THIS IS TO INFORM YOU THAT ON 24 SEPTEMBER 2024, NASJET AIRCRAFT N142AA MSN 560-5281 RETURNED TO LSZH DUE CREW REPORTED THAT THE NLG DOOR LIGHT DID NOT EXTINGUISH WHEN THE GEAR HANDLE WAS UP. ON GROUND, CONTRACTED MAINTENANCE REPLACED NOSE LANDING GEAR DOOR UPLOCK SWITCH AND ADJUSTED IAW AMM 32-61-00. PERFORMED NOSE LANDING GEAR CYCLED AND GROUND OPERATIONAL CHECK. DOOR INDICATION WAS FOUND SATISFACTORY, AND AIRCRAFT WAS RELEASED BACK TO SERVICE. THIS MDR IS CONSIDERED CLOSED.

ATA 2721

Part: TRIM TAB — OUT OF ADJUST (RUDDER) · airframe 3,524 hrs · 2,167 cycles

ON 22 SEPTEMBER 2024, NASJET AIRCRAFT N142AA MSN 560-5281 RETURNED BACK/FLIGHT (LSZH) DUE TO CREW REPORTED THAT WHEN AIRCRAFT REACHED 200 KTS ABOVE, THE SLIP SKID DISPLACED TO THE LEFT AND NEED TO TRIM RUDDER HALFWAY TO THE LEFT TO CENTER IT. THE AIRCRAFT LANDED SAFELY BACK TO LSZH. ON GROUND, CONTRACTED MAINTENANCE PERFORMED TROUBLESHOOTING AND FOUND RUDDER TRIM AND TRIM TAB NEED ADJUSTMENT AND RIGGING. MAINTENANCE PERFORMED FLIGHT NEUTRAL ADJUSTMENT OF RUDDER AND RUDDER TRIM TAB IAW AMM:27-20-00, RESULT SHOWS SATISFACTORY. CLOSED.

ATA 5270

Part: PROXIMITY SWITCH — OUT OF ADJUST (ZONE 800) · airframe 3,500 hrs · 2,150 cycles

AIRCRAFT RETURNED BACK/FLIGHT (LSZH - LGIR) DUE TO AT CLIMB STATE, PASSING FL 230, THE CABIN DOOR CAS MSG (STEADY) APPEARED. THE AIRCRAFT LANDED SAFELY BACK TO LSZH. ON GROUND, CONTRACTED MAINTENANCE PERFORMED TROUBLESHOOTING AND FOUND CABIN DOOR UPPER AFT PROXIMITY SWITCH WITH 2MM DISTANCE AFAR THE TARGET. MAINTENANCE ADJUSTED THE CABIN DOOR UPPER AFT PROXIMITY SWITCH IAW AMM 52-70-00, OPERATIONAL CHECK, DOOR OPERATION AND INDICATION NORMAL. AIRCRAFT PRESSURIZATION PERFORMED WAS SATISFACTORY.

ATA 7930

Part: OIL SYSTEM — LOW PRESSURE (LT ENGINE) · airframe 3,309 hrs · 2,024 cycles

AIRCARFT DIVERTED TO OJAM AND DECLARED EMERGENCY DUE TO LT ENG OIL PRESSURE DROPPED TO ZERO DURING CLIMB AT FL220 (L ENG OIL PRESS WARNING ON ANNUNCIATION PANEL), ON GROUND AFTER SHUTDOWN, NOTICED SMOKE COMING OUT AT THE ENGINE EXHAUST. NO OBVIOUS OIL LEAK FOUND DURING ENG EXTERNAL VISUAL INSPECTION AND ENG OIL SIGHT GLASS SHOWED EMPTY. INCIDENT IS UNDER FURTHER INVESTIGATION (POSSIBLE ENGINE INTERNAL OIL LEAK). OPEN.

ATA 7930

Part: NONE — NONE · airframe 3,309 hrs · 2,024 cycles

IN REFERENCE TO UNIQUE CONTROL #: 2022FA0000683. AIRCARFT DIVERTED TO AMMAN, JORDAN (OJAM) AND DECLARED EMERGENCY DUE TO LH ENG OIL PRESSURE DROPPED TO ZERO DURING CLIMB AT FL220 (L ENG OIL PRESS WARNING ON ANNUNCIATION PANEL), REFER TO ATL SEQ. #503029. REMOVED INLET CONE, FOUND EXCESSIVE AMOUNT OF OIL PRESENT. INSPECTED INSIDE OF N1 SHAFT WITH BORESCOPE, FOUND SEVERAL PUDDLES OF ENGINE OIL INCLUDING SHINY PARTICLES CLOSE TO AIR ROUTING HOLES INTO N1 SHAFT. ENGINE DECLARED UNSERVICEABLE AND REQUIRES REPLACEMENT. REPLACED LH ENGINE ASSY. IAW AMM 72-00-00 AND PERFORMED OPERATIONAL CHECK IAW AMM 71-00-00, FOUND SATISFACTORY. P/N ON: 3131900-01, S/N ON: PCE-D80780. MOR IS NOW CONSIDERED CLOSED.

ATA 3220

Part: NONE — INSTALLED · airframe 3,300 hrs · 2,015 cycles

AIRCRAFT (OERK - OEJN) RETURNED FROM FLIGHT DUE AFTER TAKE-OFF, NOSE LANDING GEAR LIGHT REMAINED ON WITH GEAR HANDLE IN UP POSITION, REFER TO TECH LOG SEQ. #503337. AIRCRAFT TO BE FERRIED (SFP) TO WALLAN AVIATION COMPANY FACILITY (RUH, KSA) TO TROUBLE SHOOT AND RECTIFY THE DEFECT. MDR IS STILL OPEN ..

ATA 3220

Part: NONE — NONE · airframe 3,300 hrs · 2,015 cycles

IN REFERENCE TO UNIQUE CONTROL #: 2022FA0000596, AIRCRAFT (OERK - OEJN) RETURNED FROM FLIGHT DUE AFTER TAKE-OFF, NOSE LANDING GEAR LIGHT REMAINED ON WITH GEAR HANDLE IN UP POSITION, REFER TO TECH LOG SEQ. #503337. PERFORMED NLG GEAR UPLOCK SWITCH, HOOK & ROLLER CHECK FOR CORRECT RIGGING IAW AMM 32-31-05 & AMM 32-61-00, FOUND OK. ALSO CHECKED NLG STRUT EXTENSION IAW AM.M 32- 20-00, FOUND NORMAL. LUBRICATED NLG DOOR PUSHROD BEARINGS DUE FOUND VERY STIFF. NUMEROUS GEAR SWINGS CARRIED OUT WITHOUT FAULT, NLG OPERATION SATISFACTORY, REFER TO ACFT. TECH. LOG SEQ. #503341 AND WALLAN AVIATION WORK PACKAGE #CN22099. MOR IS NOW CONSIDERED CLOSED

ATA 3610

Part: BLEED AIR SYS — UNKNOWN · airframe 2,934 hrs · 1,719 cycles

AIRCRAFT RETURNED FROM FLIGHT DUE DURING CLIMB AT FL 24,400’, CREW HEARD A BANG SOUND COMING FROM THE AFT OF THE AIRCRAFT (ALONG WITH NO BLEED AIR), WITH A CABIN PRESS LEAK RATE OF 400 FT/MIN. AT FL 10,000’, NO BLEED AIR FROM LH & RH ENGINE AND APU. AT FL 3,000’, BLEED AIR IS ON/OFF INTERMITTENTLY. AT FL 2,000’, BLEED AIR NORMAL.

ATA 2120

Part: DUCT — CRACKED (WATER SEPARATOR) · airframe 2,934 hrs · 1,719 cycles

PLEASE BE INFORMED THAT SUBJECT AIRCRAFT WAS RETURNED TO SERVICE. DURING TROUBLESHOOTING, MAINTENANCE FOUND THE COOLING AIR DUCT DOWNSTREAM OF THE WATER SEPARATOR CRACKED. REPLACED THE COOLING AIR DUCT, IAW AMM 21-30-00 AND LEAK CHECK PERFORMED RESULT WAS SATISFACTORY. AIRCRAFT GROUND PRESSURIZATION CHECK COMPLIED IAW AMM 21-30-00 P811, FOUND NORMAL. WE WILL BE SENDING THE ATTACHMENT MDR AND AIRCRAFT TECH LOG SEQ NR 500262 FOR YOUR REFERENCE. THIS MDR IS NOW CONSIDERED CLOSED. NOTE: THIS IS IN REFERENCE TO UNIQUE CONTROL NR: 2020FA0000366, NASJET MAINTENANCE CONFIRMED AMM 21-30-00 (ATA CODE).

ATA 3222

Part: STRUT — DAMAGED (NLG)

DURING WALK AROUND CHECK(WAC) AT JED STATION, NOSE LANDING GEAR FORK FOUND TWISTED ON RT, REFER TO TL SEQ 505212. REMOVED AND INSTALLED NOSE GEAR STRUT ASSEMBLY (REPAIRED) IAW AMM 32-20-00-04. PERFORMED LANDING GEAR OPERATIONAL CHECK IAW AMM 32-30-00-2, FOUND SATISFACTORY, REFER TO TL SEQ 505219. MALFUNCTION OR DEFECT REPORT (MDR) IS NOW CONSIDERED CLOSED.

ATA 3350

Part: EEL CONNECTOR — LOOSE (CABIN)

DFW - DURING OVERNIGHT CHECK, EMERGENCY FLOOR LIGHTING AT BOTTOM OF FIRST CLASS CREDENZA INOPERATIVE. RESECURED EMERGENCY FLOOR LIGHT STRIP CONNECTOR AT CREDENZA. SYSTEM GROUND CHECKED NORMAL OPERATION. (Z)