# Service difficulty reports: N4074J

A list on [N4074J](https://openairdocs.org/aircraft/N4074J.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

Page 1 of 2 · 71 reports

- [SDR YENA2026101900987](https://openairdocs.org/sdr/YENA2026101900987.md): Fire Loop · faulted · Oct 17, 2026 · N4074J · Airbus A321271NX · Fire Detection
  > FLT 1621, LHR-BOS. (ETOPS) ENG NR 2 FIRE LOOP B FAULT ( ENGINE FIRE DETECTION SYSTEMS LOOP B."(SUPPLEMENTAL INFORMATION TO FOLLOW).
- [SDR YENA2026092500900](https://openairdocs.org/sdr/YENA2026092500900.md): Fire Loop · faulted · Sep 23, 2026 · N4074J · Airbus A321271NX · Fire Detection
  > FLT 8357, BOS-JFK. (ETOPS) NR 2 ENG FIRE LOOP B FAULT DURING TAXI ( ENGINE FIRE DETECTION SYSTEMS LOOP B). OPEN
- [SDR YENA2026091700808](https://openairdocs.org/sdr/YENA2026091700808.md): Fire Loop · faulted · Sep 17, 2026 · N4074J · Airbus A321271NX · Fire Detection
  > FLT 263, JFK-SEA. (ETOPS) ON CLIMB OUT ENG 1 FIRE LOOP A FAULT ( ENGINE FIRE DETECTION SYSTEMS LOOP A). OPEN
- [SDR YENA2026090800730](https://openairdocs.org/sdr/YENA2026090800730.md): Warning Message · intermittent · Sep 5, 2026 · N4074J · Airbus A321271NX · Fire Detection
  > FLT 346, BCN-BOS. (ETOPS) SEVERAL NR 1 ENG FIRE LOOP A FAULT MSGS DURING FLIGHT, THEY CLEARED THEMSELVES BUT KEPT POPPING UP. OPEN
- [SDR YENA2026070600509](https://openairdocs.org/sdr/YENA2026070600509.md): Chip Detector · activated · Jul 5, 2026 · N4074J · Airbus A321271NX · Turbine Engine Oil System
  > FLT # 345, BOS-BCN. (ETOPS) "ENG 1 OIL CHIP DETECTED ECAM ( OIL CHIP DETECTED CAUTION ON ECAM E/WD)"
- [SDR YENA2026062600491](https://openairdocs.org/sdr/YENA2026062600491.md): Fire Loop · no discrepancy · Jun 24, 2026 · N4074J · Airbus A321271NX · Fire Detection
  > FLT 2220, LHR-JFK. (ETOPS) ENG 2 FIRE LOOP B FAULT. NO FIRE LOOP FAULTS ON ENG #2 NOTED ON LAST 10 LEGS. CONTACTED MCC. MDDR CLEARED. PLACARD REMOVED. MX-4 UPDATED
- [SDR YENA2026041000386](https://openairdocs.org/sdr/YENA2026041000386.md): Pressure System · failed · Apr 8, 2026 · N4074J · Airbus A321271NX · APU Engine Fuel and Control
  > FLT# 724, LAX-JFK. (ETOPS) "APU AUTOSHUTDOWN; REMOVED AND REPLACED SWITCH PRESSURE 7QC IAW AMM 28-22-83 OPS CHK GOOD A/C OK FOR CONT. SVC"
- [SDR YENA2026021700201](https://openairdocs.org/sdr/YENA2026021700201.md): Bmc · malfunctioned · Feb 16, 2026 · N4074J · Airbus A321271NX · Pneumatic Distribution System
  > FLT 8447, JFK-BOS (ETOPS). CLASS 2 AIR BLEED ( CLASS II MAINTENANCE MESSAGES DISPLAYED ON ECAM STATUS PAGE OF ECAM SYSTEM DISPLAY 1) FAULT(S) INDICATED BY AIR BLEED). PERFORMED RESET AND OPS CHK OF BMC W/ REF TO AMM 36-11-00. NO NSG PRESENT. MDDR CLRD. MX
- [SDR YENA2026021100195](https://openairdocs.org/sdr/YENA2026021100195.md): Bearing · corroded · Feb 10, 2026 · N4074J · Airbus A321271NX · Vertical Stabilizer
  > DURING HEAVY MAINTENANCE: AFTER REMOVED BEARING CORROSION WAS FOUND ON HIINGE ARM FITTING N1 ON VERTICLE STAB; (RESOLVED ON W/O: 1440538 TASKCARD: NR-00016) REFERENCE AEROMAN W.O. 2026 28/1 NR 2026-50621 ** REMOVED & REPLACED HINGE FITTING #1 ON VERTICAL STAB
- [SDR YENA2025121001194](https://openairdocs.org/sdr/YENA2025121001194.md): Sensor · fault message · Dec 9, 2025 · N4074J · Airbus A321271NX · Cabin Cooling System
  > FLT 2010, LAX-PBI. (ETOPS) AIR PACK 1 REGULATOR FAULT AFTER PARKING AND ENG SHUT DOWN ( ECAM INDICATION ON BLEED PAGE PACK COMPRESSOR OUTLET TEMPERATURE); REMOVED AND REPLACED PACK # 1 COMPRESSOR OUTLET TEMP SENSOR PER SMM 21-61-11 OPS CHK OK. MDDR CLEARED M
- [SDR YENA2025112401119](https://openairdocs.org/sdr/YENA2025112401119.md): Unknown · odor · Nov 22, 2025 · N4074J · Airbus A321271NX · Air Distribution System
  > FLT#1189, JFK-SAN. PILOTS SMELLED DIRTY SOCKS AT 15000FT, INFLIGHT CALLED AT 12000FT THAT THEY COULD SMELL DIRTY SOCKS AT 7100FT THE CREW HAD USE THERE SCRAFT TO COVER THERE NOSE THE FIGHT DECK AT AS BAD ( PACKS). OPEN
- [SDR YEN2025F00009](https://openairdocs.org/sdr/YEN2025F00009.md): Sensor · faulted · Nov 16, 2025 · N4074J · Airbus A321271NX · Engine Indicating System
  > FLT#2220, LHR-JFK. (ETOPS) "EXTERNAL POWER WAS INTERRUPTED 3 TIMES, CAUSING ENGINE SENSOR FAULT TO OCCUR; ENG 1&2 GROUND SCAN DUE MULTIPLE FAILURE MESSAGES, TSM 77-31-00-810-801-A REV 108 FOLLOW UP TO AND INCLUDING STEP 3 ENG GROUND RN CARRIED OUT IAW AMM 71-
- [SDR YENA2025111701106](https://openairdocs.org/sdr/YENA2025111701106.md): Bmc · faulted · Nov 15, 2025 · N4074J · Airbus A321271NX · Engine Bleed Air System
  > FLT 604, YVR-JFK. (ETOPS) AIRBLEED CLASS II MSG ON ECAM ( CLASS II MAINTENANCE MESSAGES DISPLAYED ON ECAM STATUS PAGE OF ECAM SYSTEM DISPLAY 1) FAULT(S) INDICATED BY AIR BLEED); (RESOLVED ON W/O: 1456902 TASKCARD: NR-00001) REMOVED AND REPLACED BMC 1 PER AMM
- [SDR YENA2025101401026](https://openairdocs.org/sdr/YENA2025101401026.md): Fire Loop · faulted · Oct 12, 2025 · N4074J · Airbus A321271NX · Fire Detection
  > FLT#8351, BOS-JFK. (ETOPS) "#2 ENG LOOP B FAULT ( ENGINE FIRE DETECTION SYSTEMS 2) LOOP B). PERFORMED INSPECTION OF WIRE HARNESS PER TSM 26-12-00 -810-806 A NO DEFECTS NOTED THIS CLEARS MDDR 597097, MX-4 UPDATED, PLACARD REMOVED MCC CONTACTED 79453.
- [SDR YENA2025093000975](https://openairdocs.org/sdr/YENA2025093000975.md): Fire Loop · faulted · Sep 26, 2025 · N4074J · Airbus A321271NX · Fire Detection
  > FLT#1907, JFK-CDG. (ETOPS) "ENG 2 FIRE LOOP B FAULT ( ENGINE FIRE DETECTION SYSTEMS 2) LOOP B); FAULT CURRENTLY INACTIVE, NO RECENT HISTORY. NOTHING ON PFR, PREVIOUS LEGS REPORT OR ECAM. BITE TEST PASSES ON R ENG FDU PER AMM 26-12-00. PERF'D DVI PER TSM 26
- [SDR YENA2025070900717](https://openairdocs.org/sdr/YENA2025070900717.md): Flow Sensor · faulted · Jul 9, 2025 · N4074J · Airbus A321271NX · Cabin Cooling System
  > FLT#1907, JFK-CDG. (ETOPS) AIR PACK 1 REGULATOR FAULT ( PACK FLOW SENSOR); REMOVED AND REPLACED PRESS SENSOR (23HB2) IAW AMM 21-51-11 OPS CHECK GOOD MDDR CLEARED PLACARD REMOVED.
- [SDR YENA2025062500648](https://openairdocs.org/sdr/YENA2025062500648.md): Fmc · faulted · Jun 24, 2025 · N4074J · Airbus A321271NX · Flight Management Computing Hardware System
  > FLT#20, LHR-JFK. (ETOPS) "BOTH FMS UNITS INTERMITTENTLY DROP CRUISE ALTITUDES CAUSING INACCURATE TIME AND FUEL PREDICTIONS AT UPCOMING FIXES, DISPATCH SENT DIRECTIONS TO PRINT FLIGHT PLAN, DELETE SECONDARY AND RE INSERT CRUISE ALTITUDE THEN FCOMVI 5.2.7.17 AND
- [SDR YENA2025062300645](https://openairdocs.org/sdr/YENA2025062300645.md): Bleed Valve · failed · Jun 23, 2025 · N4074J · Airbus A321271NX · Compressor Bleed Valve
  > FLT#73, JFK-EDI. (ETOPS). ENG 2 BLEED FAULT DURING DESCENT AT APPROX 16000'. ( HIGH PRESSURE VALVES (HPV)). REMOVED AND REPLACED #2 ENG HP VALVE IAW AMM 36-11-86. OPS CHK GOOD. MX-4 UPDATED. PLACARD REMOVED. ENGINE: IAE, PW1133GAJM.
- [SDR YENA2025062300644](https://openairdocs.org/sdr/YENA2025062300644.md): Warning Message · illuminated · Jun 23, 2025 · N4074J · Airbus A321271NX · Central Warning
  > FLT#1726, LAX-JFK. (ETOPS). 'CLASS III AIR BLEED MSG ( CLASS II MAINTENANCE MESSAGES DISPLAYED ON ECAM STATUS PAGE OF ECAM SYSTEM DISPLAY 1) FAULT(S) INDICATED BY AIR BLEED). PER TSM 36-22-00-810-836-A REPLACED CERAMIC AT 36HF. HARD FAULT CLEARED. BMC 1 AND 2
- [SDR YENA2025061800634](https://openairdocs.org/sdr/YENA2025061800634.md): Unknown · odor · Jun 14, 2025 · N4074J · Airbus A321271NX · Air Distribution System
  > FLT#8421, LHR-JFK. 'ON TAKEOFF/ AFTER CLEANUP ODOR EVENT EXPERIENCED APPROXIMATELY 3000 FT TO 15000 FEET ODOR BEGAIN AGAIN AT 23000 THROUGH LANDING.' (SUPPLEMENTAL INFORMATION TO FOLLOW)
- [SDR YENA2025061600606](https://openairdocs.org/sdr/YENA2025061600606.md): A/C Pack · odor · Jun 12, 2025 · N4074J · Airbus A321271NX · Cabin Cooling System
  > FLT#1620, BOS-LHR. 'TRICRESYL PHOSPHATE FUME EVENT DURING DESCENT. PACK 1 SUSPECTED AND ISOLATED. ( PACKS).' (SUPPLEMENTAL INFORMATION TO FOLLOW)
- [SDR YENA2025060900571](https://openairdocs.org/sdr/YENA2025060900571.md): Filter · odor · Jun 5, 2025 · N4074J · Airbus A321271NX · Air Distribution System
  > FLT#32, AMS-BOS. 'FLIGHT ATTENDANTS REPORTED TO THE FLIGHT DECK AFTER PARKING A DIRTY SOCK SMELL DURING DECENT, THE SMELL STARTED AT THE TOP OF DESCENT AND LASTED UNTIL LANDING. GOT STRONGER AS WE GOT LOWER. WE DID NOT SMELL ANYTHING ON THE FLIGHT DECK; COMPLI
- [SDR YENA2025060400562](https://openairdocs.org/sdr/YENA2025060400562.md): Solenoid · faulted · Jun 2, 2025 · N4074J · Airbus A321271NX · Engine Fuel and Control
  > FLT#20, LHR-JFK. (ETOPS), AFTER SHUTDOWN RECEIVED ENG 1 FADEC CLASS II MSG ( CLASS II MAINTENANCE MESSAGES DISPLAYED ON ECAM STATUS PAGE OF ECAM SYSTEM DISPLAY 1)FAULT(S) INDICATED BY ENG (1 AND/OR 2) FADEC); (RESOLVED ON W/O: 1416411 TASKCARD: NR-00001) FOU
- [SDR YENA2025052800544](https://openairdocs.org/sdr/YENA2025052800544.md): Unknown · odor · May 27, 2025 · N4074J · Airbus A321271NX · Air Distribution System
  > FLT#20, LHR-JFK. 'DESCENDING THROUGH 4000 FEET ON APPROACH INFLIGHT CONTACTED THE FLIGHT DECK INFORMING US THAT THE CABIN SMELLED OF VOMIT AND EXCREMENT THE SMELL WAS APPARENT AT BOTH THE FWD/AFT FLIGHT ATTENDANT STATIONS THEY LATER INFORMED ME THAT THE SAME S
- [SDR YENA2025051200472](https://openairdocs.org/sdr/YENA2025051200472.md): Idg · failed · May 12, 2025 · N4074J · Airbus A321271NX · AC Generator-Alternator
  > FLT#1620, BOS-LHR. (ETOPS) ' AC GEN CLASS III MX MSG AFTER SHUT DOWN ( CLASS II MX MSG - GPCU OR AC GEN).' REMOVED AND REPLACED ENG #2 IDG IAW AMM 24-21-51. REF L/P OPS CHECK OK NO LEAKS. NO MSG.
- [SDR YENA2025041100386](https://openairdocs.org/sdr/YENA2025041100386.md): Fire Detector · fault message · Apr 8, 2025 · N4074J · Airbus A321271NX · Fire Detection
  > FLT#7, JFK-LHR. (ETOPS) 'INTERMITTENT ENG2 FIRE LOOP A FAULT ECAM ( ENGINE FIRE DETECTION SYSTEMS 1) LOOP A); PERFORMED INSULATION CHECK OF ENG #2 LOOP A AGB LOOP. PIN A TO SHIELD FOUND SHORTED. REMOVED AND REPLACED ENG #2 AGB LOOP A IAW AMM 26-12-17. OPS CHE
- [SDR YENA2025040200360](https://openairdocs.org/sdr/YENA2025040200360.md): Solenoid · faulted · Apr 1, 2025 · N4074J · Airbus A321271NX · Engine Anti-Icing System
  > FLT#2288, JFK-AMS. (ETOPS) 'CLASS 2 STATUS MSG ENG1 ANTI-ICE ( CLASS II MAINTENANCE MESSAGES DISPLAYED ON ECAM STATUS PAGE OF ECAM SYSTEM DISPLAY FAULT(S) INDICATED BY ENG 1(2) A.ICE); REMOVED AND REPLACED ENG #1 NAI SOLENOID IAW AMM 30-21-21 OPS CHK OK LEAK
- [SDR YENA2025031700263](https://openairdocs.org/sdr/YENA2025031700263.md): Anti-Ice Valve · failed · Mar 16, 2025 · N4074J · Airbus A321271NX · Engine Anti-Icing System
  > FLT#424, LAX-JFK. (ETOPS) ' AFTER ENG 1 RUN, POST FLIGHT REPORT INDICATES ENG 1 A.ICE DOWNSTREAM FAULTING; REMOVED & REPLACED #1 ENG LOWER ANTI-ICE VALVE IAW AMM 30-21-51. OPS CHECK CHECK. NO FAULTS NOTED.'
- [SDR YENA2025031200247](https://openairdocs.org/sdr/YENA2025031200247.md): Valve · malfunctioned · Mar 11, 2025 · N4074J · Airbus A321271NX · Cabin Cooling System
  > FLT#2288, JFK-AMS. (ETOPS)' COND TRIM AIR SYSTEM FAULT, COCKPIT TRIM VALVE SHOWING AMBER XX ( COCKPIT/CABIN TRIM AIR VALVES); PERFORMED RESET OF COND TRIM AIR VALVES IAW AMM 21-53-00. OPS CHECK GOOD. TEMP CTRL TEST PASS. MDDR CLEAR, MX-4 UPDATED, PLACARD REMO
- [SDR YENA2025021400153](https://openairdocs.org/sdr/YENA2025021400153.md): Fcu · failed · Feb 12, 2025 · N4074J · Airbus A321271NX · APU Engine Fuel and Control
  > FLT#34, CDG-BOS. (ETOPS) 'APU AUTO SHUTDOWN; REMOVED AND REPLACED APU FCU IAW AMM 49-32-11. OPS AND LEAK CHECK GOOD. OK FOR SVC.
- [SDR YENA2025021200151](https://openairdocs.org/sdr/YENA2025021200151.md): Sensor · failed · Feb 12, 2025 · N4074J · Airbus A321271NX · Central Warning
  > FLT#33, BOS-CDG. (ETOPS) AIR BLEED CLASS 2 MSG ( CLASS II MAINTENANCE MESSAGES DISPLAYED ON ECAM STATUS PAGE OF ECAM SYSTEM DISPLAY 1) FAULT(S) INDICATED BY AIR BLEED). REMOVED AND REPLACED ENG #2 BLEED DIFFERENTIAL PRESSURE TRANSDUCER 18HA2 IAW AMM 36-11-18
- [SDR YENA2025011000036](https://openairdocs.org/sdr/YENA2025011000036.md): Metering Unit · faulted · Jan 9, 2025 · N4074J · Airbus A321271NX · Engine Oil Indicating System
  > FLT#511, JFK-LAS. (ETOPS). 'AFTER ENGINE START ENG 2 MINOR FAULT ( MINOR FAULT CAUTIONS ON ECAM EWD); PERFORMED WIRING CHECKS OF ECU CONNECTOR P10 FROM PHMU AND CONNECTOR P61, ALL CHECKS NORMAL. NO DEFECTS NOTED AT THIS TIME. REF TSM 79-33-00. REMOVED AND REP
- [SDR YENA2025010600018](https://openairdocs.org/sdr/YENA2025010600018.md): Sensor · faulted · Jan 4, 2025 · N4074J · Airbus A321271NX · Engine Fuel Indicating System
  > FLT#823, JFK-LAX. (ETOPS) 'ENG 2 MINOR FAULT BEFORE START ( MINOR FAULT CAUTIONS ON ECAM EWD); T/S PER TSM 79-33--00-810-841A. NO FAULTS OR DEFECTS NOTED. R/R AOP SENSOR AS PRECAUTIONARY PER AMM 79-33-24. IDLE LEAK CHECK OK AND NO OTHER FAULTS MDDR CLEARED M
- [SDR YENA2024112501501](https://openairdocs.org/sdr/YENA2024112501501.md): Fcu · failed · Nov 25, 2024 · N4074J · Airbus A321271NX · APU Engine Fuel and Control
  > FLT#1408, CDG-JFK. (ETOPS) ' APU AUTO SHUT DOWN AT GATE ABOUT 3 MIN AFTER WE GOT THE APU CLASS II MSG; PER PFR, "LOW FUEL PRESSURE" MSG, REMOVED AND REPLACED FCU REF AMM 49-32-11. OPS CHECKS AND LEAK CHECKS OK. NO FAULT PRESENT, REF LP # 4079503, ITEM 1 (PERFO
- [SDR YENA2024082901190](https://openairdocs.org/sdr/YENA2024082901190.md): Fire Loop · faulted · Aug 28, 2024 · N4074J · Airbus A321271N · Fire Detection
  > FLT#44, LGW-JFK. (ETOPS) 'FIRE LOOP A ENG 1 ECAM AT ACCELERATION ALTITUDE FOR APPROX 5 SECONDS. THEN EXTINGUISHED. MESSAGE REAPPEARED ONCE IN CRUISE FOR APPROX 3 SEC. -RECURRING ISSUE- ( ENGINE FIRE DETECTION SYSTEMS 1) LOOP A); REF LOG PAGE 4100930, ITEM 1 (
- [SDR YENA2024081501119](https://openairdocs.org/sdr/YENA2024081501119.md): Warning Message · false activation · Aug 12, 2024 · N4074J · Airbus A321271N · Aircraft Fuel Distribution System
  > FLT#424, LAX-JFK. 'ECAM AFTER TAKEOFF FUEL CTR R XFER FAULT; PERFORMED OPS TEST OF MAINT TRANSFER SYS AMM 28-26-00-710-001-A OPS OK COULD NOT DUPLICATE FAULT AT THIS TIME.'
- [SDR YENA2024081401117](https://openairdocs.org/sdr/YENA2024081401117.md): Actuator · faulted · Aug 12, 2024 · N4074J · Airbus A321271N · Fuel Transfer Valve
  > FLT#424, LAX-JFK. (ETOPS) 'RIGHT HAND TRANSFER FAULT. ( CENTER TANK SYSTEMS 2) B) TRANSFER VALVES (WITH ACT(S))); REMOVED AND REPLACED RH CTR TK FUEL CONTROL-VALVE ACTUATOR 12QL PER AMM 28-26-51. ALSO REPLACED CTR TK NO. 2 AUTO CTL RELAY 8QL PER ESPM 20-46-50
- [SDR YENA2024081201115](https://openairdocs.org/sdr/YENA2024081201115.md): Fuel Control · faulted · Aug 11, 2024 · N4074J · Airbus A321271NX · Fuel Control/Turbine Engines
  > FLT#2123, JFK-LAX. 'FUEL CTR R XFR FAULT ON CLIMB OUT; NO EXISTING FAULTS DISPLAYED. PERFORM FLSS BITE & FQIS TEST. NO FAULTS, TEST OK: RESET FQIS PRECAUTIONARY. A/C OK AT THIS TIME. AMM 28-46-00.'
- [SDR YENA2024080501071](https://openairdocs.org/sdr/YENA2024080501071.md): Fire Detector · failed · Aug 1, 2024 · N4074J · Airbus A321271N · Fire Detection
  > FLT#20, LHR-JFK. (ETOPS) 'ENG 2 FIRE LOOP A FAULT IN FLIGHT; REMOVED AND REPLACED FIRE-OVERHEAT LOOP A IAW AMM 26-12-17. DURING ENGINE RUN FAULT DISAPPEARED. THIS CLEARS FAULT, OPS CHECK GOOD. ENGINE: IAE, PW1133GAJM, SERIAL: P771891, TT: 4634, TC: 682
- [SDR YENA2024080201067](https://openairdocs.org/sdr/YENA2024080201067.md): Fire Loop · faulted · Jul 31, 2024 · N4074J · Airbus A321271N · Fire Detection
  > FLT#1107, JFK-LHR. (ETOPS) 'ECAM MESSAGE ENG 2 FIRE LOOP A FAULT. SPORADICALLY APPEARS. ON ON OCCASION IT WAS ON FOR SEVERAL SECOND; FOUND HI-TEMP HARNESS TOUCHING A/C FRAME + ONE ELEMENT PNCHED ON CLAMP. RE-ROUTED HI-TEMP HARNESS TO AVOID ELEMENT GROUNDIN
- [SDR YENA2024080101065](https://openairdocs.org/sdr/YENA2024080101065.md): Fire Detector · failed · Jul 30, 2024 · N4074J · Airbus A321271N · Fire Detection
  > FLT#115, JFK-SFO. (ETOPS) 'ENG 2 FIRE LOOP B FAULT ECAM MSG DURING FINAL APPROACH; ACCOMPLISHED T/S PER TSM: 26-12-00-810-861-A AND L/P 4079748-1 AS PRECAUTIONARY, REPLACED ENG 2 LOOP B HARNESS 4166KS. DURING OPS TEST WHILE SHAKING LOOP B AGB DETECTOR, LOOP
- [SDR YENA2024072601048](https://openairdocs.org/sdr/YENA2024072601048.md): Fire Loop · faulted · Jul 25, 2024 · N4074J · Airbus A321271N · Fire Detection
  > FLT # 2288 JFK-AMS. (ETOPS) "ECAM ENG 2 FIRE LOOP A FAULT CAME ON ONCE DURING CLIMB FOR 3 MINUTES IN TURBULENCE CLEARED ITSELF DID NOT COME ON AGAIN ( ENGINE FIRE DETECTION SYSTEMS 1) LOOP A); REMOVED AND REPLACED GREEN, WHITE, RED, BLUE HIGH TEMP HARNESS (41
- [SDR YENA2024072701053](https://openairdocs.org/sdr/YENA2024072701053.md): Transceiver · failed · Jul 23, 2024 · N4074J · Airbus A321271N · Weather Radar System
  > FLT#44, LGW-JFK. (ETOPS) 'RADAR #2 SHOWS MUCH WEAKER RETURNS THAN RADAR #1; REMOVED AND REPLACED WX RADAR TRANSCEIVER #2 IAW AMM 34-41-33. OPS CHECK OK. A/C OK FOR CONT. SVC.'
- [SDR YENA2024071500995](https://openairdocs.org/sdr/YENA2024071500995.md): Fire Loop · warning message · Jul 14, 2024 · N4074J · Airbus A321271N · Fire Detection
  > FLT#2104, BOS-LGW. (ETOPS) 'ENG 2 FIRE LOOP A FAULT MESSAGE APPEARED SHORTLY AFTER CLIMBING PAST 10000 FEET INTO THE FLIGHT AT 33000 FT THE MESSAGE DID NOT APPEAR AT ANY POINT DURING THE FLIGHT THEREAFTER ( ENGINE FIRE DETECTION SYSTEMS 1) LOOP A); REPLACED R
- [SDR YENA2024071200992](https://openairdocs.org/sdr/YENA2024071200992.md): Fire Loop · faulted · Jul 11, 2024 · N4074J · Airbus A321271N · Fire Detection
  > FLT#2416, SFO-JFK. (ETOPS). 'ENG # 2 FIRE LOOP A FAULT ON ECAM MSG STAYED ON DURING CLM WENT AWAY WHEN WE GOT TO CRUISE; NO HARD FAULT PRESENT ON ECAM, ACCOMPLISHED FDU 2 TEST, NO FAULTS PRESENT, ENG 2 FIRE PUSHBUTTON TEST OK. INSPECTED ENG 2 LOOP A RUN, FOUN
- [SDR YENA2024070500939](https://openairdocs.org/sdr/YENA2024070500939.md): Fire Detector · false indication · Jul 5, 2024 · N4074J · Airbus A321271N · Fire Detection
  > FLT#1907, JFK-CDG. (ETOPS) 'WHILE ON CLIMB OUT WE RECEIVED ECAM MESSAGE ENG 2 LOOP B FAULT - INFORMED DISPATCH AND MX CONTROL MESSAGE WENT AWAY 10 MINUTES LATER. MESSAGE LATER RE-APPEARED. ( ENGINE FIRE DETECTION SYSTEMS 2) LOOP B); REF TSM 26-12-00-810-805-A
- [SDR YENA2024062700913](https://openairdocs.org/sdr/YENA2024062700913.md): Valve · failed · Jun 24, 2024 · N4074J · Airbus A321271N · Cabin Cooling System
  > FLT#44, LGW-JFK. (ETOPS) '(AIRCRAFT PERFORMED AN AIR TURN BACK TO LGW) 'PACK 2 AND/ OR BLEED 2 INOPERATIVE. NO ASSOCIATED ECAM ON BLEED SYSTEM PAGE. PACK 2 FCV INDICATES CLOSED. BLEED 2 IND CLOSED. BLEED OUTPUT 40 PSI WITH TEMP OF 70-115C. ON PRESS PAGE PACK 2
- [SDR YENA2024041500518](https://openairdocs.org/sdr/YENA2024041500518.md): Ram Air Turb · faulted · Apr 14, 2024 · N4074J · Airbus A321271N · Hydraulic Power System
  > FLT#1620,BOS-LHR. (ETOPS) 'HYD RAT FAULT ECAM; REPLACED PRESSURE SWITCH ON RAT IAW AMM 29-22-53 OPS CHECKS GOOD.'
- [SDR YENA2024041500517](https://openairdocs.org/sdr/YENA2024041500517.md): Pump · failed · Apr 13, 2024 · N4074J · Airbus A321271N · Hydraulic Pump (Electric/Engine), Main
  > FLT#1621, LHR-BOS. (ETOPS) 'ENG #2 HYDRAULIC PUMP LEAKING; REMOVED AND REPLACED #2 ENG EDP REF AMM 29-11-51. OPS CHECK REQUIRED REF LOG PAGE 3970574, ITEM 1 (#2 ENG EDP OPS AND LEAK CHECKS GOOD PER AMM 29-11-51).'
- [SDR YENA2024041100515](https://openairdocs.org/sdr/YENA2024041100515.md): Cids · warning message · Apr 11, 2024 · N4074J · Airbus A321271N · Lighting System
  > FLT#34, CDG-BOS. (ETOPS) 'CIDS CAUTION ON FAP ( FLIGHT ATTENDANT PANEL (FAP) 10) OTHER FUNCTIONS (ON FAP)) PAX CALL LIGHT SEAT 6 RIGHT,' (SUPPLEMENTAL INFORMATION TO FOLLOW)

Next page: https://openairdocs.org/aircraft/N4074J/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE n_number = 'N4074J' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N4074J/reports

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.