# Service difficulty reports: N546UW A list on [N546UW](https://openairdocs.org/aircraft/N546UW.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 3 · 106 reports - [SDR AALA202509162186](https://openairdocs.org/sdr/AALA202509162186.md): Pin · defective · Sep 14, 2025 · N546UW · Airbus A321231 · Emergency Exits > AIRCRAFT WAS GROUNDED: 2R DOOR ARMING LEVER BENT INWARD. MAINTENANCE REPLACED THE R2 DOOR ARMING LEVER GRIP PLATE ANTI-ROTATION PIN PER AMM 52-22-22. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED. - [SDR AALA202508258008](https://openairdocs.org/sdr/AALA202508258008.md): Lever · loose · Aug 23, 2025 · N546UW · Airbus A321231 · Emergency Exits > AIRCRAFT WAS NOT GROUNDED: DOOR 2R ARMING LEVER LOOSE. MAINTENANCE RESECURED ARMING LEVER PER AMM 52-22-11, - [SDR AALA202508014377](https://openairdocs.org/sdr/AALA202508014377.md): Battery · no test · Jul 30, 2025 · N546UW · Airbus A321231 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 12WL BATTERY FAILED SYSTEM TEST. REPLACED BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38. - [SDR AALA202508018022](https://openairdocs.org/sdr/AALA202508018022.md): Battery · no test · Jul 30, 2025 · N546UW · Airbus A321231 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 10WL BATTERY FAILED SYSTEM TEST. REPLACED BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38. - [SDR AALA202506112881](https://openairdocs.org/sdr/AALA202506112881.md): Battery · no test · Jun 9, 2025 · N546UW · Airbus A321231 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: FAULT MESSAGE DISPLAYED FOR EMERGENCY POWER SUPPLY UNIT 13WL DURING SYSTEM TEST. REPLACED EMERGENCY POWER SUPPLY UNIT 13WL (AALA202506101135) AND BATTERY (AALA202506112881) PER AMM 33-51-38. A SATISFACTORY OPERATIONAL CHECK WAS ACCOM - [SDR AALA202506111135](https://openairdocs.org/sdr/AALA202506111135.md): Power Supply · no test · Jun 9, 2025 · N546UW · Airbus A321231 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: FAULT MESSAGE DISPLAYED FOR EMERGENCY POWER SUPPLY UNIT 13WL DURING SYSTEM TEST. REPLACED EMERGENCY POWER SUPPLY UNIT 13WL (AALA202506101135) AND BATTERY (AALA202506112881) PER AMM 33-51-38. A SATISFACTORY OPERATIONAL CHECK WAS ACCOM - [SDR AALA202506091291](https://openairdocs.org/sdr/AALA202506091291.md): Battery · no test · Jun 7, 2025 · N546UW · Airbus A321231 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: BATTERY FAULT MESSAGE FOR EMERGENCY POWER SUPPLY UNIT 14WL DISPLAYED DURING SYSTEM TEST. MAINTENANCE REPLACED THE BATTERY FOR EMERGENCY POWER SUPPLY UNIT 14WL AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38. - [SDR AALA202505082245](https://openairdocs.org/sdr/AALA202505082245.md): Handle · loose · May 7, 2025 · N546UW · Airbus A321231 · Emergency Exits > AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT REPORTED THAT THE SLIDE ARMING HANDLE ON THE 2R DOOR IS LOOSE. MAINTENANCE FOUND LOOSE FASTENER ON SLIDE ARMING HANDLE ON THE 2R DOOR, AND TIGHTENED THE FASTENER PER AMM 20-20-00. - [SDR AALA202504237574](https://openairdocs.org/sdr/AALA202504237574.md): Control Unit · faulted · Apr 22, 2025 · N546UW · Airbus A321231 · Landing Gear Steering System > AIRCRAFT WAS NOT GROUNDED: AN EMERGENCY WAS DECLARED INBOUND INTO MIA DUE TO THE FLIGHT CREW REPORTING THAT AFTER TAKEOFF AND GEAR RETRACTION THEY RECEIVED ECAM CAUTION MESSAGES:WHEEL - NOSE WHEEL STEERING FAULT AND BRAKES SYSTEM 2 FAULT. THE CREW ACCOMPLISHED - [SDR AALA202502225652](https://openairdocs.org/sdr/AALA202502225652.md): Proximity Sensor · defective · Feb 20, 2025 · N546UW · Airbus A321231 · Door Warning System > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO CLT DUE TO THE FLIGHT CREW REPORTING A FORWARD CARGO DOOR OPEN INDICATION ON CLIMB OUT AT 15,000 FEET, DESCENDED TO 10,000 FEET PER ECAM AND RETURNED TO CLT. THE AIRCRAFT LANDED SAFE - [SDR AALA202502224105](https://openairdocs.org/sdr/AALA202502224105.md): Connector · defective · Feb 20, 2025 · N546UW · Airbus A321231 · Door System Wiring > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO CLT DUE TO THE FLIGHT CREW REPORTING A FORWARD CARGO DOOR OPEN INDICATION ON CLIMB OUT AT 15,000 FEET, DESCENDED TO 10,000 FEET PER ECAM AND RETURNED TO CLT. THE AIRCRAFT LANDED SAFE - [SDR AALA202502015692](https://openairdocs.org/sdr/AALA202502015692.md): Lever · loose · Jan 31, 2025 · N546UW · Airbus A321231 · Service Doors > AIRCRAFT WAS NOT GROUNDED: FLIGHT CREW REPORTED THAT THE 2R EXIT SLIDE DISARM LEVER LOOSE TAB. MAINTENANCE TIGHTENED 2R EXIT DOOR DISARM LEVER PER AMM 52-22-00. - [SDR AALA202501284861](https://openairdocs.org/sdr/AALA202501284861.md): Warning Message · illuminated · Jan 26, 2025 · N546UW · Airbus A321231 · Door Warning System > AIRCRAFT WAS NOT GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO MKE DUE TO THE FLIGHT CREW REPORTING THAT AFTER DEPARTURE AT APPROXIMATELY 5000 FT MSL, THEY RECEIVED ECAM MESSAGE FOR THE FORWARD CARGO DOOR. THE AIRCRAFT LANDED SAFELY AT MKE A - [SDR AALA202501152769](https://openairdocs.org/sdr/AALA202501152769.md): Light · disconnected · Jan 13, 2025 · N546UW · Airbus A321231 · Light System Wiring > AIRCRAFT WAS NOT GROUNDED: FLIGHT CREW REPORTED THAT THE EMERGENCY EXIT LIGHT AT SEAT ROW 26C DOES NOT ILLUMINATE. MAINTENANCE RECONNECTED EMERGENCY LIGHT AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-50-00. - [SDR AALA202410248089](https://openairdocs.org/sdr/AALA202410248089.md): Reservoir · low pressure · Oct 13, 2024 · N546UW · Airbus A321231 · Escape Slide > AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT ADVISED AN INDICATION ON THEIR SCREEN THAT 2L SLIDE LOW PRESSURE. **SUPPLEMENTAL REPORT FOR AALA202410178089: MAINTENANCE REPLACED THE 2L DOOR SLIDE INFLATION RESERVOIR AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHE - [SDR AALA202410178089](https://openairdocs.org/sdr/AALA202410178089.md): Slide · low pressure · Oct 13, 2024 · N546UW · Airbus A321231 · Escape Slide > AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT ADVISED AN INDICATION ON THEIR SCREEN THAT 2L SLIDE LOW PRESSURE. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN) - [SDR AALA202409059944](https://openairdocs.org/sdr/AALA202409059944.md): Battery · inoperative · Sep 4, 2024 · N546UW · Airbus A321231 · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED: FLASHLIGHT INOPERATIVE AT 1L JUMP SEAT LOCATION. REPLACED BATTERY FOR FLASHLIGHT AT 1L DOOR. - [SDR AALA202408278738](https://openairdocs.org/sdr/AALA202408278738.md): Handle · loose · Aug 26, 2024 · N546UW · Airbus A321231 · Passenger/Crew Doors > AIRCRAFT WAS NOT GROUNDED: EMERGENCY EXIT DOOR 2R LOOSE WHEN IN THE ARMED POSITION. RESECURED LOOSE ARM HANDLE AT R2 EMERGENCY EXIT IAW AMM 52-22-00. - [SDR AALA202405074082](https://openairdocs.org/sdr/AALA202405074082.md): Screw · loose · May 6, 2024 · N546UW · Airbus A321231 · Doors > AIRCRAFT WAS NOT GROUNDED: DOOR 2R ARMING LEVER IS LOOSE. CHECKED AND SECURED SCREW ON GRIP PLATE PER AMM 52-22-22. - [SDR AALA202404241142](https://openairdocs.org/sdr/AALA202404241142.md): Smoke Detector · false indication · Apr 23, 2024 · N546UW · Airbus A321231 · Smoke Detection > AIRCRAFT WAS NOT GROUNDED: AT CRUISE, FL300, ABOUT 1.5 HOURS INTO FLIGHT THE MASTER WARNING LIGHT ILLUMINATED AND THE ECAM INDICATED LAVATORY FIRE FOR ABOUT 5 SECONDS AND THEN EXTINGUISHED/DISAPPEARED. THE FORWARD FLIGHT ATTENDANT REPORTED THE SAME INDICATION - [SDR AALA202309227683](https://openairdocs.org/sdr/AALA202309227683.md): Floor Panel · cracked · Sep 20, 2023 · N546UW · Airbus A320* · Fuselage Floor Panel > AIRCRAFT WAS IN BASE MAINTENANCE: AFT CABIN FLOOR PANEL 231FF CRACKED. REPLACED FLOOR PANEL PER SRM 53-02-00-300-011 AND IRM 9701 REV. L. - [SDR AALA202310026480](https://openairdocs.org/sdr/AALA202310026480.md): Shear Plate · cracked · Aug 24, 2023 · N546UW · Airbus A320* · Fuselage Miscellaneous Structure > AIRCRAFT IN BASE MAINTENANCE: CRACKED AFT CABIN FLOOR SHEAR PLATE BETWEEN FR 69 AND FR 70 AT S23R. REPLACED SHEAR PLATE PER SRM 51-42-11. - [SDR AALA202309218894](https://openairdocs.org/sdr/AALA202309218894.md): Shear Plate · cracked · Aug 24, 2023 · N546UW · Airbus A320* · Fuselage Miscellaneous Structure > AIRCRAFT IN BASE MAINTENANCE: CRACKED AFT CABIN FLOOR SHEAR PLATE BETWEEN FR 69 AND FR 70 AT S23L. REPLACED SHEAR PLATE PER SRM 51-42-11. - [SDR AALA202309065017](https://openairdocs.org/sdr/AALA202309065017.md): Fitting · corroded · Aug 24, 2023 · N546UW · Airbus A320* · Fuselage Miscellaneous Structure > AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT LEFT PASSENGER / CREW DOOR CUT OUT LOWER CENTER SHAPE FITTING BETWEEN FR 66 AND FR 68 AT S23L. REPLACED CENTER SHAPE FITTING PER SRM 51-72-11. - [SDR AALA202304035687](https://openairdocs.org/sdr/AALA202304035687.md): Lever · loose · Mar 31, 2023 · N546UW · Airbus A320* · Passenger/Crew Doors > AIRCRAFT WAS GROUNDED: DOOR 2L ARMING LEVER LOOSE. MAINTENANCE RE-SECURED ARMING LEVER TAB PER AMM 52-11-22. - [SDR AALA202302167266](https://openairdocs.org/sdr/AALA202302167266.md): Oven · odor · Feb 14, 2023 · N546UW · Airbus A320* · Buffet/Galleys > AIRCRAFT WAS GROUNDED: AT CRUISE AN ELECTRICAL BURNING ODOR / SMELL WAS DETECTED IN THE FORWARD GALLEY AND APPEARED TO BE COMMING FROM THE #2 OVEN AFTER IT WAS USED. THE OVEN, CHILLER AND ALL ELECTRICAL ITEMS WERE TURNED OFF. MAINTENANCE ISOLATED THE SOURCE O - [SDR AALA202212125842](https://openairdocs.org/sdr/AALA202212125842.md): Smoke Detector · false indication · Dec 10, 2022 · N546UW · Airbus A321231 · Smoke Detection > AIRCRAFT WAS NOT GROUNDED: LAVATORY SMOKE ECAM MESSAGE WAS DISPLAYED LAVATORY L WAS INSPECTED BY CABIN CREW WITH NO SMOKE OR FIRE DAMAGE NOTED. MAINTENANCE PERFORMED OPERATIONAL TEST PER TSM 26-15-00 WITH NO DEFECTS NOTED. - [SDR AALA202211282440](https://openairdocs.org/sdr/AALA202211282440.md): Compressor · overheated · Nov 24, 2022 · N546UW · Airbus A321231 · Potable Water System > AIRCRAFT WAS GROUNDED: 1 HOUR INTO 2 HOUR FLIGHT, FLIGHT ATTENDANTS REPORT LAVATORY FUEL SMELL AFT CABIN AND AFT GALLEY. POSSIBLY RELATED LAVATORY SMOKE DETECTOR MOMENTARILY WENT OFF. WITH LAVATORY EMPTY. MAINTENANCE FOUND THE POTABLE WATER SYSTEM AIR COMPRES - [SDR AALA202209124670](https://openairdocs.org/sdr/AALA202209124670.md): Computer · none · Sep 11, 2022 · N546UW · Airbus A300* · Flight Control System > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO RECEIVING AN ECAM FAULT FOR FLIGHT CONTROL FLAP SYSTEM 1 AFTER FLAP RETRACTION. AIRCRAFT LANDED SAFELY AT CLT WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED #1 SLAT AND FLAP CONTROL COMPUTER (FIN 21CV) PE - [SDR AALA202207209062](https://openairdocs.org/sdr/AALA202207209062.md): Assist Assy · low pressure · Jul 19, 2022 · N546UW · Airbus A321231 · Emergency Exits > AIRCRAFT WAS NOT GROUNDED: CIDS PANEL SHOWS CHECK DOOR PRESSURE 3L. SERVICED 3L DOOR ASSIST BOTTLE PER AMM 52-23-00. - [SDR AALA202205175686](https://openairdocs.org/sdr/AALA202205175686.md): Fuel Cap · loose · May 14, 2022 · N546UW · Airbus A300* · Fuel Storage > AIRCRAFT WAS NOT GROUNDED: FUEL CAP CAME LOOSE IN FLIGHT AND MAY HAVE CAUSED DAMAGE. MAINTENANCE PERFORMED GENERAL VISUAL INSPECTION OF THE RIGHT WING LOWER SURFACE WITH NO DEFECTS NOTED. RE-SECURED FUEL CAP AS REQUIRED. - [SDR AALA202205209815](https://openairdocs.org/sdr/AALA202205209815.md): Apu · odor · Apr 24, 2022 · N546UW · Airbus A300* · APU Oil System > AIRCRAFT WAS GROUNDED: DIRTY SOCK SMELL IN FLIGHT DECK WITH PACKS RUNNING SEEM TO BE SLIGHTLY BETTER WITH PACK WAS SELECTED OFF BUT STILL PRESENT. SMELLED AT GATE WITH APU AND PACKS. RETURNED AGAIN ON DESCENT AT IDLE. **SUPPLEMENTAL REPORT FOR AALA202204279815 - [SDR AALA202205203936](https://openairdocs.org/sdr/AALA202205203936.md): Ptu · leaking · Apr 24, 2022 · N546UW · Airbus A300* · Hydraulic System, Main > AIRCRAFT WAS GROUNDED: DIRTY SOCK SMELL IN FLIGHT DECK WITH PACKS RUNNING SEEM TO BE SLIGHTLY BETTER WITH PACK WAS SELECTED OFF BUT STILL PRESENT. SMELLED AT GATE WITH APU AND PACKS. RETURNED AGAIN ON DESCENT AT IDLE. **ORIGINAL REPORT WAS AALA202204279815** M - [SDR AALA202204279815](https://openairdocs.org/sdr/AALA202204279815.md): Apu · odor · Apr 24, 2022 · N546UW · Airbus A300* · APU Oil System > AIRCRAFT WAS GROUNDED: DIRTY SOCK SMELL IN FLIGHT DECK WITH PACKS RUNNING SEEM TO BE SLIGHTLY BETTER WITH PACK WAS SELECTED OFF BUT STILL PRESENT. SMELLED AT GATE WITH APU AND PACKS. RETURNED AGAIN ON DESCENT AT IDLE.**SUPPLEMENTAL REPORT WILL BE SUBMITTED**(O - [SDR AALA202201241156](https://openairdocs.org/sdr/AALA202201241156.md): Damper · low pressure · Jan 22, 2022 · N546UW · Airbus A300* · Passenger/Crew Doors > AIRCRAFT WAS GROUNDED: 3L DOOR PRESSURE LOW. ACCOMPLISHED JOB CARD WORK CARD 26L80052003 SERVICED 3L EMERGENCY EXIT DOOR DAMPER. - [SDR AALA202109203560](https://openairdocs.org/sdr/AALA202109203560.md): Cylinder · low pressure · Sep 17, 2021 · N546UW · Airbus A321231 · Passenger/Crew Doors > AIRCRAFT WAS NOT GROUNDED: AFTER SHUTDOWN AT GATE, FLIGHT ATTENDANTS CIDS PANEL INDICATES "CHECK DOOR PRESSURE". SERVICED L3 DOOR PER AMM 52-10-00. - [SDR AALA202106179018](https://openairdocs.org/sdr/AALA202106179018.md): Lever · loose · Jun 14, 2021 · N546UW · Airbus A321231 · Service Doors > AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT REPORTS DOOR 2R ARMING LEVER LOOSE. TIGHTENED ARM LEVER HANDLE ON 2R DOOR AS REQUIRED. - [SDR AALA202106179017](https://openairdocs.org/sdr/AALA202106179017.md): Lever · loose · Jun 14, 2021 · N546UW · Airbus A321231 · Passenger/Crew Doors > AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT REPORTS DOOR 2L ARMING LEVER LOOSE. TIGHTENED ARM LEVER HANDLE ON 2L DOOR AS REQUIRED. - [SDR AALA202105319004](https://openairdocs.org/sdr/AALA202105319004.md): Lever · loose · May 30, 2021 · N546UW · Airbus A321231 · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED: NUMBER 2 DOOR FLIGHT ATTENDANT REPORTS ARMING LEVER IS LOOSE. RE-TIGHTENED NUMBER 2 DOOR ARMING LEVER AS REQUIRED. OPERATIONS OK FOR SERVICE. - [SDR AALA202104119005](https://openairdocs.org/sdr/AALA202104119005.md): Handle · stuck · Apr 10, 2021 · N546UW · Airbus A321231 · Passenger/Crew Doors > AIRCRAFT WAS NOT GROUNDED: 2L ARMING LEVER IS LOOSE AND DIFFICULT TO OPERATE. TIGHTENED BOLT ON ARMING HANDLE PER GPM 02-01-2. - [SDR AALA202103309029](https://openairdocs.org/sdr/AALA202103309029.md): Lever · loose · Mar 29, 2021 · N546UW · Airbus A321231 · Passenger/Crew Doors > AIRCRAFT WAS NOT GROUNDED: DOOR 2L YELLOW ARMING LEVER LOOSE. SECURED LOOSE HARWARE PER AMM 52-10-00. - [SDR AALA202103229005](https://openairdocs.org/sdr/AALA202103229005.md): Screw · loose · Mar 21, 2021 · N546UW · Airbus A321231 · Escape Slide > AIRCRAFT WAS NOT GROUNDED: LEVER AT 2R DOOR SLIDE IS LOOSE. TIGHTENED SCREWS ON SLIDE ARM LEVER AT 2L DOOR. INSPECTED 2R DOOR SLIDE ARM LEVER WITH NO DEFECTS NOTED. SLIDE ARMING LEVERS FOR 2L AND 2R OPERATIONS CHECKS GOOD PER AMM 52-10-00. - [SDR AALA202012119006](https://openairdocs.org/sdr/AALA202012119006.md): Extinguisher · false indication · Dec 10, 2020 · N546UW · Airbus A321231 · Fire Bottle, Fixed > AIRCRAFT WAS GROUNDED. BOTH AFT AND FORWARD CARGO DISCHARGE LIGHT ILLUMINATED. REPLACED CARGO FIRE BOTTLE EXTINGUISHER 400SWX AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK, PER AMM 26-31-41. - [SDR AALA202012029011](https://openairdocs.org/sdr/AALA202012029011.md): Door Sill · corroded · Dec 2, 2020 · N546UW · Airbus A321231 · Fuselage Miscellaneous Structure > AIRCRAFT IN BASE MAINTENANCE. FOUND CORROSION AROUND HOLE ON DOOR SILL AT BULK CARGO DOOR AT FR 62 AND STR 23R. INSTALLED FILLER AND DOUBLER REPAIR ON DOOR SILL, REF SRM 53-41-49-300-009 REPAIR NR 2. - [SDR AALA202010109017](https://openairdocs.org/sdr/AALA202010109017.md): Reservoir · low pressure · Oct 7, 2020 · N546UW · Airbus A321231 · Escape Slide > AIRCRAFT WAS NOT GROUNDED. 2L SLIDE PRESSURE LOW INDICATION ON FAP. BOTTLE CHECKS GOOD. REMOVED AND REPLACED L2 DOOR ESCAPE-SLIDE INFLATION RESERVOIR, PER AMM 25-62-49. - [SDR AALA2020021879014](https://openairdocs.org/sdr/AALA2020021879014.md): Slide · defective · Feb 16, 2020 · N546UW · Airbus A321231 · Escape Slide > AIRCRAFT WAS NOT GROUNDED: R4 DOOR SLIDE REMOVED FOR SCHEDULED TIME CHANGE. REPLACEMENT SLIDE WAS FOUND TO BE BAD FROM STOCK AND RETURNED. ORIGINAL SLIDE WAS RE-INSTALLED PER TASK CARD 26L00025010. - [SDR AALA2019121319005](https://openairdocs.org/sdr/AALA2019121319005.md): Battery · inoperative · Dec 10, 2019 · N546UW · Airbus A321231 · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED: AFT RIGHT FLIGHT ATTENDANT JUMPSEAT FLASHLIGHT BATTERY WOULD NOT FLASH. MAINTENANCE REPLACED FLASHLIGHT BATTERY PER STANDARD PRACTICES. - [SDR AALA201909259037](https://openairdocs.org/sdr/AALA201909259037.md): Lubrication Unit · unreliable · Sep 22, 2019 · N546UW · Airbus A321231 · APU Oil System > AIRCRAFT WAS GROUNDED: FLIGHT AIR RETURNED TO CLT ON ACCOUNT OF N1 GENERATOR FAULT AND APU FAIL INDICATION. AN EMERGENCY WAS DECLARED. MAINTENANCE REMOVED AND REPLACED ENG #1 IDG IAW AMM 24-21-51. OPS AND LEAK CHECK GOOD. REMOVED AND REPLACED FCU IAW AMM 49-23 - [SDR AALA201909259036](https://openairdocs.org/sdr/AALA201909259036.md): Fuel Control · unreliable · Sep 22, 2019 · N546UW · Airbus A321231 · APU Engine Fuel and Control > AIRCRAFT WAS GROUNDED: FLIGHT AIR RETURNED TO CLT ON ACCOUNT OF N1 GENERATOR FAULT AND APU FAIL INDICATION. AN EMERGENCY WAS DECLARED. MAINTENANCE REMOVED AND REPLACED ENG #1 IDG IAW AMM 24-21-51. OPS AND LEAK CHECK GOOD. REMOVED AND REPLACED FCU IAW AMM 49-23 - [SDR AALA201909239043](https://openairdocs.org/sdr/AALA201909239043.md): Idg · failed · Sep 22, 2019 · N546UW · Airbus A321231 · AC Generator-Alternator > AIRCRAFT WAS GROUNDED: FLIGHT AIR RETURNED TO CLT ON ACCOUNT OF N1 GENERATOR FAULT AND APU FAIL INDICATION. AN EMERGENCY WAS DECLARED. MAINTENANCE REMOVED AND REPLACED ENG #1 IDG IAW AMM 24-21-51. OPS AND LEAK CHECK GOOD. REMOVED AND REPLACED FCU IAW AMM 49-23 Next page: https://openairdocs.org/aircraft/N546UW/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 = 'N546UW' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N546UW/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.