# Service difficulty reports: N704FR A list on [N704FR](https://openairdocs.org/aircraft/N704FR.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR F3LA202602200371](https://openairdocs.org/sdr/F3LA202602200371.md): Battery · failed · Feb 19, 2026 · N704FR · Airbus A321211 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED AND IS IN CHECK FOR SCHEDULED MX. DURING OPC FOUND EPSU BATTERY 14WL INOP, REPLACEMENT IS REQUIRED IAW AMM 33-51-00-810-869-A REV 105. CORRECTIVE ACTION: REPLACED EPSU BATTERY 14WL IAW AMM 33-38-400-002-A REV 105. - [SDR F3LA202512240339](https://openairdocs.org/sdr/F3LA202512240339.md): Battery · faulted · Dec 24, 2025 · N704FR · Airbus A321211 · Emergency Lighting > THIS AC WAS NOT OOS DUE TO THIS EVENT, REFERENCE LP560267 ITEM 3, DURING HEAVY CHECK EPSU BATTERY 10WL FAILED EPSU TEST PTT FLAG BATT FAULT. REF AMM 33-51-38-000-002-A/33-51-38-400-002-A, REMOVED AND REPLACED EPSU BATTERY 10WL OPS TEST OK, NO OTHER DEFECTS N - [SDR F3LA2024092300140](https://openairdocs.org/sdr/F3LA2024092300140.md): Battery Pack · discharged · Sep 19, 2024 · N704FR · Airbus A321211 · Emergency Lighting > DEFECT WAS DISCOVERED DURING A OVERNIGHT HEAVY SERVICE CHECK. LP437628 ITEM 3: EPSU BATTERY 15WL FAILS TEST. REMOVED AND REPLACED EPSU BATTERY 15WL. OPS TEST GOOD REF AMM 33-51-38-000-001-A AND 33-51-38-400-001-A - [SDR F3LA2024092300139](https://openairdocs.org/sdr/F3LA2024092300139.md): Battery Pack · discharged · Sep 19, 2024 · N704FR · Airbus A321211 · Emergency Lighting > DEFECT WAS DISCOVERED DURING A OVERNIGHT HEAVY SERVICE CHECK. LP437628 ITEM 2: EPSU BATTERY 13WL FAILS TEST. REMOVED AND REPLACED EPSU BATTERY 13WL. OPS TEST GOOD REF AMM 33-51-38-000-001-A AND 33-51-38-400-001-A - [SDR F3LA2024092300138](https://openairdocs.org/sdr/F3LA2024092300138.md): Battery Pack · discharged · Sep 19, 2024 · N704FR · Airbus A321211 · Emergency Lighting > DEFECT WAS DISCOVERED DURING A OVERNIGHT HEAVY SERVICE CHECK. LP437628 ITEM 1: EPSU BATTERY 12WL FAILS TEST. REMOVED AND REPLACED EPSU BATTERY 12WL. OPS TEST GOOD REF AMM 33-51-38-000-001-A AND 33-51-38-400-001-A. - [SDR F3LA2024092300137](https://openairdocs.org/sdr/F3LA2024092300137.md): Battery Pack · discharged · Sep 19, 2024 · N704FR · Airbus A321211 · Emergency Lighting > DEFECT WAS DISCOVERED DURING A OVERNIGHT HEAVY SERVICE CHECK. LP437626 ITEM 3: EPSU BATTERY 10WL FAILS TEST. REMOVED AND REPLACED EPSU BATTERY 10WL. REF AMM 33-51-38-000-001-A AND 33-51-38-400-001-A PUSH TEST GOOD AT THIS TIME. - [SDR F3LA2024092300136](https://openairdocs.org/sdr/F3LA2024092300136.md): Epsu · failed · Sep 19, 2024 · N704FR · Airbus A321211 · Emergency Lighting > DEFECT WAS DISCOVERED DURING A OVERNIGHT HEAVY SERVICE CHECK. LP437626 ITEM 2: R1 DOOR SLIDE NEEDS REPLACING DUE TO FAILED EPSU TEST. DUE TO EPSU FAILURE, REMOVED AND REPLACED R1 DOOR SLIDE AS DOCUMENTED ON NR 133892. EPSU TEST GOOD. A/C OK FOR SERVICE REF - [SDR F3LA2024092300135](https://openairdocs.org/sdr/F3LA2024092300135.md): Power Supply · failed · Sep 19, 2024 · N704FR · Airbus A321211 · Emergency Lighting > DEFECT WAS DISCOVERED DURING A OVERNIGHT HEAVY SERVICE CHECK. LP437626 ITEM 1: L1 DOOR SLIDE NEEDS REPLACING DUE TO FAILED EPSU TEST. DUE TO EPSU FAILURE, REMOVED AND REPLACED L1 DOOR SLIDE AS DOCUMENTED ON NR 133889. EPSU TEST GOOD. A/C OK FOR SERVICE REF - [SDR F3LA2023101700190](https://openairdocs.org/sdr/F3LA2023101700190.md): Battery · discharged · Oct 14, 2023 · N704FR · Airbus A321211 · Emergency Lighting > REFERENCE LP 294881. AIRCRAFT WAS IN FOR SERVICE CHECK. FOUND (14WL) ESPU BATTERY INOP DURING OPERATIONAL TEST OF EMERGENCY LIGHTS. REMOVED AND REPLACED EPSU BATTERY (14WL). PERFORMED OPS CHECK OF THE EMERGENCY LIGHTS. OPS CHECKS GOOD. A/C OK TO CONTINUE. I - [SDR F3LA2023042800041](https://openairdocs.org/sdr/F3LA2023042800041.md): Fan · faulted · Apr 28, 2023 · N704FR · Airbus A321211 · Air Distribution Fan > ODOR IN COCKPIT & LOUD VIBRATION/NOISE. PERFORMED TSM 05-50-00-810-831 AND IDENTIFIED THE EXTRACT FAN AS SOURCE OF ODOR AND PLACED ON MEL 21-26-02A CN DUE DATE PER MCC AB 434922 PLACARD INSTALLED MX ACTIONS C/W. - [SDR 2023FA0000140](https://openairdocs.org/sdr/2023FA0000140.md): Slide · misaligned · Mar 15, 2023 · N704FR · Airbus A321211 · Entrance Stairs > DISCREPANCY: DURING THE INSTILLATION OF THE SAFETY ON THE L1 DOOR SLIDE, IT WAS NOTED THAT THE PIN IN QUESTION WAS UNABLE TO ALIGNED. CORRECTIVE ACTION: NR 5001220649-0010, REPLACED L1 DOOR SL - [SDR F3LA2023031600032](https://openairdocs.org/sdr/F3LA2023031600032.md): Slide Raft · out of alignment · Mar 4, 2023 · N704FR · Airbus A321211 · Entrance Stairs > UPON SAFETY PIN INSTALLATION FOUND SAFETY PIN NOT ALLIGNING ON L1 DOOR SLIDE REPLACED L1 DOOR SLIDE AS PER AMM 25-62-44-04 CONF 00 REV. 93. - [SDR F3LA2022221200171](https://openairdocs.org/sdr/F3LA2022221200171.md): Warning Message · illuminated · Dec 19, 2022 · N704FR · Airbus A321211 · Landing Gear Retraction/Extension System > MLG SYS DISAGREE. OPEN - [SDR F3LA2021006280046](https://openairdocs.org/sdr/F3LA2021006280046.md): Fan · failed · Jun 26, 2021 · N704FR · Airbus A321211 · Air Distribution Fan > DISCREPANCY: FA'S CALLED FROM FWD GALLEY SAYING THEY SMELLED ELECTRICAL BURNING, A COUPLE MINUTES LATER SAID IT HAD SPREAD AND PASSENGERS FWD & MID CABIN ALSO SMELLED IT. SMELL RACHED COCKPIT BUT IT WASN'T REALLY STRONG. NEVER ANY VISIBLE SMOKE OR IDENTIFIBLE - [SDR F3LA2021032600023](https://openairdocs.org/sdr/F3LA2021032600023.md): Motor · failed · Mar 25, 2021 · N704FR · Airbus A321211 · Air Distribution Fan > DISCREPENCY:DURING CLIMBOUT WE EXPERIENCED SMOKE IN THE COCKPIT AND HEARD WHINING SOUND FROM THE AVIONICS BAY, TURNED OFF BLOWER MOTOR AND SMOKE AND WHINING SOUND CEASED. ATB / INSPECTED AIRCRAFT FOUND CAUSE OF SMOKE IN COCKPIT DUE TO BLOWER FAN, NO OTHER DEFE - [SDR F3LA201911150140](https://openairdocs.org/sdr/F3LA201911150140.md): Slide · binding · Nov 11, 2019 · N704FR · Airbus A321211 · Escape Slide > LP1223154 -- DOOR L1 THE LEVER TO ARM/DISARM THE DOOR IS VERY HARD TO MOVE. FLIGHT ATTENDANT HAD TO US ALL HER MIGHT TO AND DISARM THE DOOR. CORRECTIVE ACTION--- L1 DOOR SLIDE /RAFT PLACED ON MEL 25-61-02A CONTROL # 1156880 DROP DATE 11-21-19 A MAINTENANCE A - [SDR F3LA201909100107](https://openairdocs.org/sdr/F3LA201909100107.md): Unknown · odor · Sep 6, 2019 · N704FR · Airbus A321211 · Air Distribution System > DISCREPANCY: LP15220961 ITEM-1; DIRTY SOCK SMELL FROM COCKPIT & FWD LAV. PACK 1 TURNED OFF & SMELL DISSAPATED CORRECTED ACTION; LP15220961 ITEM-1; PERFORMED TSM 05-50-00-810-831-A. DETERMINED CAUSE TO BE TYPE 1, PACK 1. DEACTIVATED PACK 1 FOR CLEANING. PLACED - [SDR F3LA2018082800414](https://openairdocs.org/sdr/F3LA2018082800414.md): Filter · odor · Aug 27, 2018 · N704FR · Airbus A321211 · Air Distribution System > FUME EXPOSURE DURING DESCENT, A DRY MUSTY ODOR WAS NOTICED THROUGHOUT THE CABIN AND COCKPIT. REMOVED AND REPLACED THE RECIRCULATION FILTERS AS A PRECAUTION, NO FUMES NOTED IN THE CABIN & COCKPIT AT THIS TIME. IAW AMM 21-21-41 PB 401. PERFORMED BORESCOPE OF - [SDR F3LA2018082800412](https://openairdocs.org/sdr/F3LA2018082800412.md): Unknown · odor · Aug 24, 2018 · N704FR · Airbus A321211 · Air Distribution System > FUME EXPOSURE DURING DESCENT. ODOR OF MUSTY SOCKS NOTICED THROUGHOUT CABIN. STRONGEST ODOR BETWEEN EXIT ROWS. NR 1 PACK OFF DECREASED STRENGTH OF ODOR. - [SDR F3LA2018082000391](https://openairdocs.org/sdr/F3LA2018082000391.md): Oil System · overserviced · Aug 18, 2018 · N704FR · Airbus A319112 · APU Oil System > CREW REPORTED SMOKE IN AFT CABIN. PERFORMED TSM 05-50-00-810-831-19, FOUND APU OVERSERVICED IAW TSM 49-00-81-810-874-A. DRAINED AND SERVICED. REMOVED, INSPECTED APU BLEED DUCT ELBOW AND LOAD CONTROL VALVE IAW TSM 49-00-81--810-874-A, NO CONTAMINATION NOTED - [SDR F3LA2018072300373](https://openairdocs.org/sdr/F3LA2018072300373.md): Ecs · contaminated · Jul 21, 2018 · N704FR · Airbus A320211 · Air Distribution System > ON INITIAL CLIMB AT 18,000', FLIGHT ATTENDANTS REPORTED DIRTY SOCK SMELL IN AFT GALLEY. FOLLOWED FUMES CHECKLIST AND SMELL DISSIPATED AFTER PACK 2 SHUT OFF. STRONG SMELL OF FUMES IMMEDIATELY UPON LANDING IN COCKPIT. FOLLOWED FUMES QRH PROCEEDURE. REFERENCE TSM - [SDR F3LA2018061100352](https://openairdocs.org/sdr/F3LA2018061100352.md): Power Supply · no test · Jun 8, 2018 · N704FR · Airbus A321211 · Escape Slide > R1 DOOR FAILED EPSU TEST. REMOVED AND REPLACED THE R1 DOOR SLIDE IAW AMM 25-62-44 PB401. OPS CHECKED GOOD. - [SDR F3LA2018061100351](https://openairdocs.org/sdr/F3LA2018061100351.md): Battery · failed · Jun 8, 2018 · N704FR · Airbus A321211 · Emergency Lighting > EPSU SYSTEM FAILED 10WL. REMOVED AND REPLACED BATTERY 10WL IAW AMM 33-51-38-PB 401. - [SDR F3LA2018010800276](https://openairdocs.org/sdr/F3LA2018010800276.md): Line · leaking · Jan 3, 2018 · N704FR · Airbus A321211 · APU Oil System > WHEN APU BLEED WAS TURNED ON, A BURNING ODOR AND CABIN BECAME HAZY. TROUBLESHOT THE APU BLEED AND FOUND AN APU OIL COOLER TRANSFER LINES LEAKING. REPLACED OIL COOLER TRANSFER LINES IAW SB 49-1113 AND AMM 49-91-44-420-056-A. PERFORMED A SATISFACTORY LEAK CH - [SDR F3LA2018010800274](https://openairdocs.org/sdr/F3LA2018010800274.md): Line · leaking · Jan 3, 2018 · N704FR · Airbus A321211 · APU Oil System > WHEN APU BLEED WAS TURNED ON A BURNING ODOR AND CABIN BECAME HAZY. TROUBLESHOT APU BLEED AND FOUND APU OIL COOLER TRANSFER LINES LEAKING. REPLACED OIL COOLER TRANSFER LINES IAW SB 49-1113 AND AMM 49-91-44-420-056-A. PERFORMED SATISFACTORY LEAK CHECK IAW AMM ## 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 = 'N704FR' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N704FR/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.