# Service difficulty reports: N311FR A list on [N311FR](https://openairdocs.org/aircraft/N311FR.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR F3LA202603020374](https://openairdocs.org/sdr/F3LA202603020374.md): Access Panel · missing · Feb 27, 2026 · N311FR · Airbus A320251N · Wing, Plate/Skin > AIRCRAFT GROUNDED DUE TO EVENT-REFERENCE LP664307, ITEM 1. PANEL MISSING UNDER LEFT WING (AILERON PANEL). INSTALLED NEW ACCESS PANEL (575KB), PER AMM 57-51-37-400-005-A. - [SDR F3LA2023120400224](https://openairdocs.org/sdr/F3LA2023120400224.md): Unknown · unknown · Dec 1, 2023 · N311FR · Airbus A320251N · Air Distribution System > DISCREPANCY:REFERENCE LP 313912 DURING DESCENT WE HAD A STRONG ODOR OF DIRTY SOCKS. TURNING OFF PACK 1 ELEMINATED THE ODOR AFTER A FEW MINUTES. THIS AIRCRAFT WAS GROUNDED AT THIS TIME. CORRECTIVE ACTION: PLACED ON MEL-21-52-01F CONT # 1203920 DUE DATE 12-11-20 - [SDR F3LA2023051000055](https://openairdocs.org/sdr/F3LA2023051000055.md): Floor Panel · corroded · Apr 20, 2023 · N311FR · Airbus A320251N · Fuselage Floor Panel > AIRCRAFT WAS NOT GROUNDED AND IS IN CHECK FOR SCHEDULED MX. UPON INSPECTION FOUND AFT WET AREA FLOOR PANELS IN POOR CONDITION AND REQUIRES EVALUATION. AFT THRESHOLD PANEL 262LG FOUND WITH MULTIPLE SPOTS OF CORROSION ON THE TOP SKIN AND LOWER SKIN. PERFORMED BL - [SDR F3LA2023050400050](https://openairdocs.org/sdr/F3LA2023050400050.md): Beam · corroded · Apr 20, 2023 · N311FR · Airbus A320251N · Fuselage Main, Floor Beam > DISCREPANCY:REFERENCE NR 5001232178-0010. AIRCRAFT WAS NOT GROUNDED AND IS IN CHECK FOR SCHEDULED MX. DURING INSPECTION OF AFT CABIN CORRODED FLOOR BEAM FOUND BETWEEN FR.66-70 LH. EVALUATION IS REQUIRED. PERFORMED REWORK MEASUREMENT AS PER A320NEO SRM 51-11- - [SDR F3LA2023050300049](https://openairdocs.org/sdr/F3LA2023050300049.md): Seat Track · corroded · Apr 20, 2023 · N311FR · Airbus A320251N · Fuselage, Seat/Cargo Attach Fittings > AFTER EVALUATION FOUND CORROSION IN SEAT TRACK Y-1292 AT FR 20 EVALUATION IS REQ AS PER SRM TASK 53-11-14-283-007 REV.35 PERFORMED REWORK MEASUREMENT AS PER A320NEO SRM 51-11-15 REV.35 L = 64.33MM, W = 49.18MM, D = 1.7MM ORIGINAL THICKNESS = 2.2MM MAXIMUM - [SDR F3LA202305030047](https://openairdocs.org/sdr/F3LA202305030047.md): Door Seal · corroded · Apr 20, 2023 · N311FR · Airbus A320251N · Fuselage Miscellaneous Structure > DISCREPANCY: DURING INSPECTION CORRODED AFT DOOR SILL BEAM FOUND BETWEEN FR.67-68 L/H. EVALUATION IS REQUIRED CORRECTIVE ACTION: PERFORMED REWORK MEASUREMENT AS PER A320 SRM 51-11-15 REV. 35 L = 40.89MM, W = 35.13MM, D = 0.87MM NOMINAL SKIN THICKNESS = 1.6MM - [SDR F3LA2023050300047](https://openairdocs.org/sdr/F3LA2023050300047.md): Web · cracked · Apr 20, 2023 · N311FR · Airbus A320251N · Fuselage Miscellaneous Structure > DISCREPANCY: CRACK WEB ON FWD CABIN FR.12-16 LH DAMAGE OR TASK EVALUATION REFERENCE: A320NEO SRM 53-11-14-06A REV.35, 51-72-11 REV.35. CORRECTIVE ACTION: PERFORMED REMOVAL OF WEB AT FR12-16 L/H IAW A320NEO SRM 51-42-11 REV.35. PERFORMED INSTALLATION OF NEW P - [SDR F3LA2023050300046](https://openairdocs.org/sdr/F3LA2023050300046.md): Plate · cracked · Apr 20, 2023 · N311FR · Airbus A320251N · Fuselage Miscellaneous Structure > DISCREPANCY: DURING INSPECTION FOUND L/H AND R/H SHEAR PLATE FR69-70 CRACKED.REQUIRES REPLACEMENT IAW SRM51-72-11-911-001 REV. 35. CORRECTIVE ACTION: L/H AND R/H SHEAR PLATE WAS REPLACED IAW SRM 51-72-11-911-001 REV.35. P/N: D5347112420200, D5347112420300//E - [SDR F3LA2023050800053](https://openairdocs.org/sdr/F3LA2023050800053.md): Threshold · corroded · Apr 19, 2023 · N311FR · Airbus A320251N · Fuselage Miscellaneous Structure > CORRODED UP THRESHOLD SHEET ON FWD CRG BETWEEN FR.24-28 AT STGR.41RH -Y607. EVALUATION IS REQUIRED. CORRODED THRESHOLD SHEET ON FWD CARGO REQUIRES CORROSION REMOVAL AS PER A320NEO SRM 51-74-00 REV.35 PERFORMED REWORK MEASUREMENT AS PER SRM 51-11-15 REV.35. - [SDR F3LA2022091300101](https://openairdocs.org/sdr/F3LA2022091300101.md): Pipe · leaking · Sep 12, 2022 · N311FR · Airbus A320251N · Hydraulic System, Main > GREEN HYD SYSTEM FAILURE ENROUTE RETURN TO LAS. REMOVED AND REPLACED PRESS ASSY PIPE. PERFORMED LEAK CHECK. LEAK CHECK GOOD NO DEFECTS NOTED. TORQUE WRENCH S/N CAS0968 DD 12-28-2022 - AMM 29-11-49-400-813-A. - [SDR F3LA2022032500010](https://openairdocs.org/sdr/F3LA2022032500010.md): Starter · leaking · Mar 23, 2022 · N311FR · Airbus A320251N · Airborne Auxiliary Power Unit (APU) System > DISCREPANCY: REFERENCE LP210042 ITEM 1: FUME EVENT @ GATE WITH APU RUNNING, BLEEDS ON, PACKS ON. JUST GOT TO PLANE. CORRECTIVE ACTION:LP210042 ITEM 1PER TSM 05-50-00-810-831-A FOUND APU STARTER LEAKING OIL. PERFORMED OPS CHECK OF APU IAW AMM 49-00-00-710-10-A - [SDR F3LA2022030900006](https://openairdocs.org/sdr/F3LA2022030900006.md): Apu · defective · Mar 7, 2022 · N311FR · Airbus A320251N · Airborne Auxiliary Power Unit (APU) System > NOTICED MUSTY DRY ODOR APU BLEED OPERATION ON THE GROUND WITH ENGINES OFF. CABIN ODOR REPORT SHEET WAS SUBMITTED TO MCC - CORRECTIVE ACTION: REFERANCE LP 210021 ITEM 2PERFORMED TSM INSPECTION 05-50-00-810-831-A. FOUND TO BE APU LEVEL A/C/W APU INSPECTION AMM - [SDR F3LA2022011700102](https://openairdocs.org/sdr/F3LA2022011700102.md): None · none · Feb 16, 2022 · N311FR · Airbus A320251N · Pneumatic System > DISCREPANCY: ON DESCENT FLIGHT ATTENDANTS REPORTED DIRTY SOCK SMELL COMING FROM GALLEY AREA. CORRECTIVE ACTION: PER TSM DECISION TABLE ENG 1 MOST LIKELY TO BE THE SOURCE. PLACED ENG - [SDR F3LA2021030900020](https://openairdocs.org/sdr/F3LA2021030900020.md): Battery · no test · Mar 9, 2021 · N311FR · Airbus A320251N · Emergency Lighting > LP1217092 ITEM 2 -- DURING OPERATIONAL TEST OF EMER LIGHTING FOUND FWD L (12WL) EMER BATTERY FAILED --- CORRECTIVE ACTION -- REMOVED AND REPLACED FWD L ( 12WL) EMER BATTERY OPS CHECKS GOOD. REF AMM 33-51-38-002A/AMM 33-51-38-400-002A. - [SDR F3LA2021030900019](https://openairdocs.org/sdr/F3LA2021030900019.md): Battery · no test · Mar 9, 2021 · N311FR · Airbus A320251N · Emergency Lighting > LP1217092 ITEM 1 -- DURING OPERATIONAL TEST OF EMER LIGHTING FOUND FWD L (10WL) EMER BATTERY FAILED --- CORRECTIVE ACTION -- REMOVED AND REPLACED FWD L ( 10WL) EMER BATTERY OPS CHECKS GOOD. REF AMM 33-51-38-002A/AMM 33-51-38-400-002A. - [SDR F3LA201908140076](https://openairdocs.org/sdr/F3LA201908140076.md): Unknown · odor · Aug 11, 2019 · N311FR · Airbus A320251N · Air Distribution System > SMOKE IN COCKPIT AFTER ENG NR 2 START. PERFORMED TSM 05-50-00-810-831-A NO SMOKE OR ODER PRESENT IN COCKPIT OR CABIN ENG WASH HAD BEEN PERFORMED ON BOTH ENGINES THE NIGHT BEFORE, WHICH CAUSED THE INITIAIL EVENT. NO DEFECTS NOTED AT THIS TIME. A/C OK FOR SER - [SDR F3LA2018030600292](https://openairdocs.org/sdr/F3LA2018030600292.md): Oxygen Mask · broken · Mar 5, 2018 · N311FR · Airbus A320251N · Crew Oxygen System > FIRST OFFICER'S OXYGEN MASK BLEW HOSE OFF. CREW DECLARED EMERGENCY AND DECENDED. ON ARRIVAL, THE OXYGEN MASK WAS SWAPPED WITH 4TH OBSERVER`S SEAT IAW AMM-35-12-41. THE AIRCRAFT RETUNED TO SERVICE. - [SDR F3LA2018030600291](https://openairdocs.org/sdr/F3LA2018030600291.md): Oxygen Mask · broken · Mar 5, 2018 · N311FR · Airbus A320251N · Crew Oxygen System > DISCREPANCY: REFERENCE LP 1095282, FO'S OXYGEN MASK BLEW HOSE OFF. CREW DECLARED EMERGENCY AND DECENDED THE AIRCRAFT. UPON ARRIVAL, THE OXYGEN MASK WAS SWAPPED WITH 4TH OBSERVER`S SEAT IAW AMM 35-12-41. AIRCRAFT RETURNED TO SERVICE. ## 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 = 'N311FR' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N311FR/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.