# Service difficulty reports: N931NK A list on [N931NK](https://openairdocs.org/aircraft/N931NK.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR GTIA2025102339147](https://openairdocs.org/sdr/GTIA2025102339147.md): Unknown · odor · Oct 22, 2025 · N931NK · Airbus A320271N · Air Distribution System > FLIGHT ATTENDANTS REPORT OF FUME (SMELLY SOCKS) AFT FA SMELLED FOR 1 MIN FORWARD FA 3MIN NEITHER PILOT SMELLED ANYTHING ( DID NOT SMELL). DESCRIPTION OF ODOR/FUMES: TEMPORARY, DIRTY SOCKS SMELL DURING DESCENT. APPARENT CABIN SOURCE: UNKNOWN. NO VISIBLE SMOKE/H - [SDR GTIA2025101339126](https://openairdocs.org/sdr/GTIA2025101339126.md): Unknown · odor · Oct 12, 2025 · N931NK · Airbus A320271N · Air Distribution System > CABIN ODOR REPORTED BY FA DURING APPROACH. - [SDR GTIA2025101339124](https://openairdocs.org/sdr/GTIA2025101339124.md): Oil System · overserviced · Oct 11, 2025 · N931NK · Airbus A320271N · Turbine Engine Oil System > FUME EVENT ON APPROACH APPRX 6,000 IN CABIN. CONTINUOUS AND LASTED 5 TO 6 MINUTES-TROUBLESHOOTING DONE IAW TSM 05-50-00-810-831-A AND FOUND BOTH ENGINE OIL LEVELS OVERSERVICED. OIL LEVELS ADJUSTED IAW AMM 12-13-79 AND LEVEL A DECONTAMINATION ACCOMPLISHED ON BO - [SDR GTIA2025100639117](https://openairdocs.org/sdr/GTIA2025100639117.md): Unknown · odor · Oct 6, 2025 · N931NK · Airbus A320271N · Air Distribution System > FA REPORTED FUME EVENT DURING APPROACH-PERFORMED TSM 05-50-00 FOR CAUSE OF ODOR/SMOKE, CHECKED ENGINES AND APU FOR PROPER SERVICING AND LEAKS. ALL LEVELS NORMAL, NO LEAKS NOTED. OPERATED BOTH PACKS WITH APU / ENGINES NO ODOR WAS NOTED. - [SDR GTIA2025032438818](https://openairdocs.org/sdr/GTIA2025032438818.md): Bottle · low pressure · Mar 23, 2025 · N931NK · Airbus A320271N · Doors > DURING SERVICE CHECK FOUND L2 DOOR ASSIST BOTTLE BELOW LIMITS. ARMED SAFETY DEVICE.-SERVICED L2 DOOR ASSIST BOTTLE IAW AMM 52-22-00. DISARMED SAFETY DEVICE. - [SDR GTIA2025030338771](https://openairdocs.org/sdr/GTIA2025030338771.md): A/C Pack · odor · Feb 28, 2025 · N931NK · Airbus A320271N · Cabin Cooling System > FUME EVENT ON DESCENT AROUND 8,000. DIRTY SOCK SMELL ON FLIGHT DECK. NO SMELLS REPORTED FROM CABIN-PERFORMED TSM 05-50-810-831 & DETERMINED PACK 1 IS SOURCE OF MILD FUME EVENT - [SDR GTIA2024123138643](https://openairdocs.org/sdr/GTIA2024123138643.md): Bottle · low pressure · Dec 30, 2024 · N931NK · Airbus A320271N · Emergency Equipment > DURING SERVICE CHECK FOUND L1 AND R2 DOOR ASSIST BOTTLES LOW-RESERVICED DOOR ASSIST BOTTLE IAW AMM 52-10-00 - [SDR GTIA2024102238469](https://openairdocs.org/sdr/GTIA2024102238469.md): Unknown · odor · Oct 22, 2024 · N931NK · Airbus A320271N · Air Distribution System > F/A REPORTED DIRTY SOCKS SMELL DURING DESCEND FRONT AND AFT CABIN -PERFORMED AQE OPS CHECK IAW TSM 05-50-00-810-831-A. NO ODIR NOTED AT THIS TIME - [SDR GTIA2024090338355](https://openairdocs.org/sdr/GTIA2024090338355.md): Bottle · low pressure · Sep 3, 2024 · N931NK · Airbus A320271N · Emergency Equipment > L1 AND R2 DOOR ASSIST BOTTLES REQ SVC -SVCD L1 AND R2 DOOR ASSIST BOTTLES IAW AMM 52-10-00 - [SDR GTIA2024071938243](https://openairdocs.org/sdr/GTIA2024071938243.md): Megaphone · inoperative · Jul 17, 2024 · N931NK · Airbus A320271N · Emergency Equipment > FWD MEGAPHONE INOP. R/R FWD MEGAPHONE IAW AMM 25-65-51. OPS CK GOOD. - [SDR GTIA2024060438157](https://openairdocs.org/sdr/GTIA2024060438157.md): Knob · missing · Jun 4, 2024 · N931NK · Airbus A320271N · Emergency Equipment > F/A ADVISED MEGA PHONE KNOB MISSING-R&R FWD MEGA PHONE IAW AMM 25-60-01, OPS CHECK NORMAL - [SDR GTIA2023101737545](https://openairdocs.org/sdr/GTIA2023101737545.md): Unknown · unknown · Oct 16, 2023 · N931NK · Airbus A320271N · Passenger/Crew Doors > L1 AND R2 DOOR ASSIST BOTTLE NEEDS SERVICING-SERVICED L1 AND R2 DOOR ASSIST BOTTLE IAW AMM 52-10-00 - [SDR GTIA2023090837468](https://openairdocs.org/sdr/GTIA2023090837468.md): Unknown · unknown · Sep 6, 2023 · N931NK · Airbus A320271N · Air Conditioning System > DIRTY SOCK SMELL ON TAKE OFF GOES AWAY AT THRUST REDUCTION RETURNED ON DESCENT-PERFORMED TSM 21-00-00-80-802-A. CABIN ODOR ISOLATED TO PACK 1 SEE LOGPAGE 3273527-1 FOR CORRECTIVE ACTION. - [SDR GTIA2023080737396](https://openairdocs.org/sdr/GTIA2023080737396.md): Unknown · unknown · Aug 6, 2023 · N931NK · Airbus A320271N · Air Conditioning System > BOTH F/A'S REPORT A FUME EVENT STARTING AT INITIAL DESCENT, APU OFF-PERFORMED TSM PROCEDURE 05-50-00-810-831-A IDENTIFICATION OF THE CAUSE FOR CABIN ODOR. FOUND PACK 2 TO BE CAUSE OF CABIN ODOR. REF LP 3312748-2. - [SDR GTIA2023061237255](https://openairdocs.org/sdr/GTIA2023061237255.md): Unknown · unknown · Jun 10, 2023 · N931NK · Airbus A320271N · Air Conditioning System > DURING DESCENT FAS REPORTED DIRTY SOCK SMELL IN THE CABIN. NO APPARENT IN FLIGHT DECK-OPERATED PACK 1 AND 2 IAW AMM 21-21-00. NO ODOR DETECTED. - [SDR GTIA2023042737137](https://openairdocs.org/sdr/GTIA2023042737137.md): Unknown · unknown · Apr 25, 2023 · N931NK · Airbus A320271N · Passenger/Crew Doors > FOUND R2 DOOR ASSIST BOTTLE LOW PRESSURE DURING SEVICE CHECK-SERVICED R2 DOOR IAW AMM 52-10-00 AIRCRAFT OK FOR SERVICE - [SDR GTIA2023041737119](https://openairdocs.org/sdr/GTIA2023041737119.md): Unknown · unknown · Apr 16, 2023 · N931NK · Airbus A320271N · Doors > R2 DOOR ACCUMULATOR NEEDS SERVICING -SERVICED R2 DOOR ASSIST BOTTLE IAW AMM 52-22-00. LEAK CHECK GOOD - [SDR GTIA2022120136812](https://openairdocs.org/sdr/GTIA2022120136812.md): Unknown · odor · Nov 30, 2022 · N931NK · Airbus A320271N · Air Distribution System > FA REPURTED DIRTY SOCKS ODOR ON APPROPCH AT FLIGHT IDLE VERY FAINT SMELL IN COCKPIT. DISSIPATED BEFORE LNDING.-PERFORMED TSM 05-50-00-810-831-A.OPERATED PACKS WITH ENGINES AND APU NO CABIN ODOR PRESENT.UNABLE TO DUPLICATE. - [SDR GTIA2022100636709](https://openairdocs.org/sdr/GTIA2022100636709.md): None · none · Oct 5, 2022 · N931NK · Airbus A320271N · Passenger/Crew Doors > R2 DOOR DAMPER REQ SVC -SVCD R2 DOOR ASSIST BOTTLE IAW AMM 52-10-00 - [SDR GTIA2022042836402](https://openairdocs.org/sdr/GTIA2022042836402.md): None · none · Apr 27, 2022 · N931NK · Airbus A320271N · Fuselage Structure (General) > DOOR R2 EMER ASSIST BOTTLE REQ SERVICE-SERVICED R2 DOOR EMER ASSIST BOTTLE IAW AMM 52-10-00 - [SDR GTIA2022042136393](https://openairdocs.org/sdr/GTIA2022042136393.md): None · none · Apr 21, 2022 · N931NK · Airbus A320271N · Passenger/Crew Doors > R2 DOOR ASSIST BOTTLE LOW -SVCD R2 DOOR ASSIST BOTTLE IAW AMM 52-10-00 - [SDR GTIA2021110836096](https://openairdocs.org/sdr/GTIA2021110836096.md): None · none · Nov 4, 2021 · N931NK · Airbus A320271N · Inertial Guidance System > REF LOG PAG 285861101 WEATHER RADAR FAILED IN FLIGHT AIR RETURN PER DISPATH AND MXC NEED (13SQ1)-R/R RECEIVER TRANSMITER TR1 FIN (13SQ1) IAW AMM 34-41-51 PERFORMED BITE TEST IAW AMM 34-41-00-740-002-A TEST OK NO FAULTS NOTED AT THIS TIME MOC NOTIFIED A/C OK BA - [SDR GTIA2021050635720](https://openairdocs.org/sdr/GTIA2021050635720.md): Bottle · low pressure · May 5, 2021 · N931NK · Airbus A320271N · Emergency Equipment > DOOR R2 DOOR ASSIST BOTTLE NEEDS SERVICING-SERVICED R2 DOOR ASSIST BOTTLE IAW AMM 52-10-00 - [SDR GTIA2021042935702](https://openairdocs.org/sdr/GTIA2021042935702.md): Bottle · low pressure · Apr 28, 2021 · N931NK · Airbus A320271N · Emergency Equipment > RE DOOR ASSIST BOTTLE LOW-SERVICED R2 DOOR ASSIST BOTTLE IAW AMM 52-10-00 LKK CHECK GOOD - [SDR GTIA2020122835521](https://openairdocs.org/sdr/GTIA2020122835521.md): Bottle · low pressure · Dec 26, 2020 · N931NK · Airbus A320271N · Emergency Equipment > R4 DOOR ASSIST ACCUMULATOR REQUIRES SERVICING. SERVICED R4 DOOR ASSIST BOTTLE, IAW AMM 52-10-00. LEAK CHECK OK. - [SDR GTIA2020122135508](https://openairdocs.org/sdr/GTIA2020122135508.md): Transducer · leaking · Dec 20, 2020 · N931NK · Airbus A320271N · Hydraulic Indicating System > FL390 HYD G RSVR LO LEVEL ECAM-FOUND HYD FLUID LEAKING FROM PRESS XDUCER. PERFORMED TSM 27-93-34 R/R PACKING ON PRESSURE XDUCER, IAW AMM 29-32-12, LEAK CHECK GOOD. PERFORMED ENGINE RUN, REF AMM 71-00-00, ALL PARAMETERS GOOD. SERVICED GREEN HYD STS, IAW 12- - [SDR GTIA2020110535425](https://openairdocs.org/sdr/GTIA2020110535425.md): Bottle · low pressure · Nov 2, 2020 · N931NK · Airbus A320271N · Emergency Equipment > DURING WEEKLY FOUND R2 DOOR ASSIST BELOW LIMITS, SERVICED R2 DOOR ASSIST, IAW AMM 52-10-00. NO LEAKS FOUND AT THIS TIME. - [SDR GTIA2020100535376](https://openairdocs.org/sdr/GTIA2020100535376.md): Bottle · low pressure · Oct 5, 2020 · N931NK · Airbus A320271N · Emergency Equipment > R2 DOOR ASSIST BOTTLE NEEDS SERVICE. SERVICED ASSIST BOTTLE, IAW AMM 52-10-00. - [SDR GTIA2020083135340](https://openairdocs.org/sdr/GTIA2020083135340.md): Bottle · low pressure · Aug 31, 2020 · N931NK · Airbus A320271N · Emergency Equipment > R2 DOOR ASSIST BOTTLE REQUIRES SERVICE. SERVICED R2 DOOR ASSIST BOTTLE IAW AMM 52-10-00. ## 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 = 'N931NK' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N931NK/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.