# Service difficulty reports: N921NK A list on [N921NK](https://openairdocs.org/aircraft/N921NK.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR 2026F00009](https://openairdocs.org/sdr/2026F00009.md): Slide · unwanted deploy · Feb 11, 2026 · N921NK · Airbus A320271N · Escape Slide > DURING MAINTENANCE ACTIVITY, RH OVERWING SLIDE WAS INADVERTENTLY DEPLOYED. SLIDE DEPLOYED NORMALLY BUT DEFLATED COMPLETELY WITHIN 5 MINUTES OF DEPLOYMENT. UNIT WAS MANUFACTURED ON NOV 2017 AND HAD BEEN OVERHAULED ON 02/11/2023 BY MEL AVIATION UNDER WO 454-923/ - [SDR GTIA2025061638958](https://openairdocs.org/sdr/GTIA2025061638958.md): Unknown · odor · Jun 15, 2025 · N921NK · Airbus A320271N · Air Distribution System > SMELL OF ELECTRICAL PLASTIC TYPE SMELL THROUGH DESCEND AND ARRIVAL INTO CLT. DESCRIPTION OF ODOR/FUMES: PERSISTENT, SMOKE/BURNING/ELECTICAL SMELL. APPARENT CABIN SOURCE: UNKNOWN. FLIGHT DECK, FWD CABIN, MID CABIN, AND AFT CABIN. NO VISIBLE SMOKE/HAZE. MEDICAL - [SDR GTIA2025021038732](https://openairdocs.org/sdr/GTIA2025021038732.md): A/C Pack · contaminated · Feb 6, 2025 · N921NK · Airbus A320271N · Cabin Cooling System > FUME EVENT - IN DECENT APPROCH TO LADG, (SEE PREVIOUS PAGE FOR PREVOUS LEG)-TI 2100-200-NEO WAS ACCOMPLISHED ON W/O 342860 PER T.SM 05-50-810-831-A ACCOMPLISHED LEVEL A DECONTAMINATION ON PACK #1 AND PACK # 2 IAW AM: 21-00-00-615-802, RUN ENG. #1 AND - [SDR GTIA2024112538554](https://openairdocs.org/sdr/GTIA2024112538554.md): Apu · odor · Nov 23, 2024 · N921NK · Airbus A320271N · Airborne Auxiliary Power Unit (APU) System > ON ARRIVAL INTO MCO @ 3000' FUME EVENT... TURNED ON APU BLEED AND FUME WENT AWAY-- - [SDR GTIA2024112238549](https://openairdocs.org/sdr/GTIA2024112238549.md): A/C Pack · odor · Nov 22, 2024 · N921NK · Airbus A320271N · Cabin Cooling System > ODOR DETECTED IN FLIGHT DECK AND MID AND AFT CABIN. OCCURRED AT 12,000 FT ON DESCENT.-REF. TSM 05-50-00-810-831-A RAN ENGINES 1 AND 2 IAW AMM 71-00-00. DURING ENGINE RUN PERFORMED AMM 21-00-00-615-802-A. PER TESTS FOUND PACK 1 TO BE THE SOURCE OF FUME EVENT. R - [SDR GTIA2024112238542](https://openairdocs.org/sdr/GTIA2024112238542.md): A/C Pack · contaminated · Nov 20, 2024 · N921NK · Airbus A320271N · Cabin Cooling System > DURING DECENT BETWEEN 12000 TO 8000 STRONG ODOR/DIRTY SOCK SMELL IN AFT CABIN SHUT OFF PACK 2 AND SMELL DISSIPATED.-PERFORMED TSM 05-50-00-810-831 FOUND BOTH PACKS CONTAMINATED PERFORMED DECONTAMINATION. NO OIL LEAKS NOTED ON ENGINES IAW AMM 21-00-00. NO ODOR - [SDR GTIA2024102238466](https://openairdocs.org/sdr/GTIA2024102238466.md): A/C Pack · odor · Oct 21, 2024 · N921NK · Airbus A320271N · Cabin Cooling System > DURING DESENT ODOR SMELLING OF OIL AND SCETONE SMELLED THROUGHT CABIN AND COKPIT DISIPATTED WITHIN COUPLE MINUTES-PERFORMED TSM 05-50-00 FOR CAAUSE OF ODOR, INSPECTED ENGINES AND APU FOR LEAKS NONE NOTED, SUSPECT RT PACK AS CAUSE OF ODOR SEE LOG PAGE 3416275 - [SDR GTIA2024091738372](https://openairdocs.org/sdr/GTIA2024091738372.md): Pressure Switch · leaking · Sep 15, 2024 · N921NK · Airbus A320271N · Hydraulic System, Main > HYD G SYS LO PR ECAM INFLIGHT. ECAM ACTIONS COMPLETED LANDING PROC. APPLIED NORMAL LANDING, NO MANUAL GEAR EXTENSION.-FOUND ENG PRES SWITCH LEAKING ON #1 UPON REMOVEL OF SWITHC 1074GK, FOUND PACKING MISSING. R/R ENG PRESS SWITCH 1074GK AND PACKING IAW AMM 29-1 - [SDR GTIA2024060438155](https://openairdocs.org/sdr/GTIA2024060438155.md): Unknown · odor · Jun 4, 2024 · N921NK · Airbus A320271N · Air Distribution System > HAD A SMALL SMELL OF FUMES (DIRTY SOCKS) ON TAKEOFF, BUT IT DISAPATED QUICKLY. ON DECENT (18,000 FT) FUMES RETURNED VERY STRONG. FUME PROCEDURE DONE FOR PACK1 AND FUMES DISAPATED. FUME EVENT-PACK1 SUSPECTED. -PERFORMED TSM 05-50-00-810-831A. RAN APU W/ BOTH PA - [SDR GTIA2024052138128](https://openairdocs.org/sdr/GTIA2024052138128.md): Pump · low pressure · May 19, 2024 · N921NK · Airbus A320271N · Hydraulic Pump (Electric/Engine), Main > HYD G ENG 1 PUMP LO PRESS GREEN SYSTEM LO PRESS-- - [SDR GTIA2024052138124](https://openairdocs.org/sdr/GTIA2024052138124.md): Unknown · fumes · May 18, 2024 · N921NK · Airbus A320271N · Air Distribution System > SUSPECTED FUME EVENT LIMITED TO COCKPIT ONLY DURING DESCENT AROUND 28,000-PER TSM 05-50-00-810-831A FOUND THE SOURCE TO BE PACK 1. REF LOG PAGE 3350209-2 FOR PACK 1 DEFERRAL - [SDR GTIA2024040538043](https://openairdocs.org/sdr/GTIA2024040538043.md): Unknown · odor · Apr 2, 2024 · N921NK · Airbus A320271N · Air Distribution System > DIRTY SOAK MOISTURE ODOR CLIMBING OUT OF PIT AND ON DESCENT INTO MIA-PERFORMED TSM 05-50-00-810-831-A AND FOUND NO ODORS, R/R RECIRC FILTERS IAW AMM 21-21-41 AS PRECAUTIONARY. PERFORMED LEVEL A ECS DECONTAMINATION IAW AMM 21-00-00. NO ODORS AT THIS TIME - [SDR GTIA2024031937999](https://openairdocs.org/sdr/GTIA2024031937999.md): A/C Pack · odor · Mar 16, 2024 · N921NK · Airbus A320271N · Cabin Cooling System > DIRTY SOCK SMELL DURING DESENT, TURNED OFF PACK 1 SMELL WENT AWAY ( PACKS - A320 WITH MOD. 30626/MP K6443 (ENHANCED ECS) OR A321 WITH MOD. 157080/MP K17996 (PACK FLOW SELECTOR) AND WITH MOD. 30626/MP K6443 (ENHANCED ECS))-PERFORMED LEVEL B REMOVAL OF THE CONT - [SDR GTIA2024012637805](https://openairdocs.org/sdr/GTIA2024012637805.md): Unknown · odor · Jan 24, 2024 · N921NK · Airbus A320271N · Air Distribution System > PASSENGERS AND FLIGHT ATTENDANTS REPORTED CABIN ODOR OLD SOCK SMELL DURING DESCENT -PERFORMED TSM 05-50-000-810-831, ISOLATED CABIN ODOR TO PACK 2 SEE LP 3486406-2 FOR CORRECTIVE ACTIONN - [SDR GTIA2023071037317](https://openairdocs.org/sdr/GTIA2023071037317.md): Controller · fault message · Jul 7, 2023 · N921NK · Airbus A320271N · Cabin Pressure Controller > CAB PR SYS 1 FAULT ( AUTOMATIC CABIN PRESSURE CONTROL SYSTEMS (CPC, OUTFLOW VALVE AUTO CHANNELS) SYSTEM 1)-REMOVED AND REPLACED CPC 1 OPS CHECK NORMAL IAW AMM 21-32-34-400-001A - [SDR GTIA2023012336899](https://openairdocs.org/sdr/GTIA2023012336899.md): A/C Pack · odor · Jan 19, 2023 · N921NK · Airbus A320271N · Cabin Cooling System > FUME/ODOR EVENT ON PACK 1 IN DESCENT DIRTY SOCKS SMELL PROCDURE COMPLIED WITH AND ODOR WENT AWAY WITH PACK 1 OFF-PERFORMED TSM PROCEDURES IN TSM 05-50-00-810-031A FOUND ODER TO BE PACK 1 SYS PACK 2 SYS OPS CHECK NORMAL NO ODER / DEFECT NOTED REF LOG PAGE 29467 - [SDR GTIA2023011636883](https://openairdocs.org/sdr/GTIA2023011636883.md): Unknown · odor · Jan 13, 2023 · N921NK · Airbus A320271N · Air Distribution System > FUME/ ODOR EVENT ON PACK 1 ON CLIMBOUT. DIRTY SOCKS SMELL. PROCEDURE COMPLIED WITH AND ODOR WENT AWAY WHEN PACK 1 OFF. ( PACKS A320 WITH MOD 31283/MP P7125 (FWC H2-F1 STND) AND WITH MOD. 30626/MP K6443 (ENHANCED ECS) - FAULT CAUTIONS ASSOCIATED WITH OPERATIVE - [SDR GTIA2023010536866](https://openairdocs.org/sdr/GTIA2023010536866.md): A/C Pack · odor · Jan 4, 2023 · N921NK · Airbus A320271N · Air Distribution System > ODOR INFORMED BY FWD FA ON SHORT FINAL-ISOLATED CAUSE OF CABIN ODER TO PACK 2 PER TSM 05-50-00-810-331-A. REF LOG PAGE 2987760-2 FOR CORRECTIVE ACTION. - [SDR GTIA2022122736855](https://openairdocs.org/sdr/GTIA2022122736855.md): A/C Pack · odor · Dec 25, 2022 · N921NK · Airbus A320271N · Cabin Cooling System > FUME EVENT PACK 1 STRONG SMELL -PER TSM 05-50-00-810-831-A. FOUND PACK 1 HAS FUME EVENT. PACK 2 IS CLEAR WITH APU & ENG RUN IAW AMM 71-00-00 & 49-00-00. - [SDR GTIA2022122236852](https://openairdocs.org/sdr/GTIA2022122236852.md): Unknown · odor · Dec 22, 2022 · N921NK · Airbus A320271N · Air Distribution System > FUME EVENT DECENDING THROUGH 8000FT SUPPLEMENTARY PROCEDURE PERFORMED PACK1 SUSPECTED-PERFORMED TSM 05-50-00-810-831-A NO FUME DETECTED, RUN BOTH ENG IAW AMM 71-00-00 NO FUME DETECTED.A/C OK FOR CONTINUED OPERATION. - [SDR GTIA2022122236848](https://openairdocs.org/sdr/GTIA2022122236848.md): A/C Pack · odor · Dec 22, 2022 · N921NK · Airbus A320271N · Cabin Cooling System > FUME SMELL ON DESCENT SUSPECT PACK 1 CULPRIT-PERFORM TSM 05-50-00-810-831-A, DURING EVALUATION FOUND #1 PACK THE CAUSE OF FUME EVENT. #2 PACK CHECK OK W/ APU & ENGINE RUN AS PER AMM 71-00-00 & AMM 49-00-00. REF. LOG PG# 3006018-2 FOR PACK #1 DEFERRAL. - [SDR GTIA2021083035960](https://openairdocs.org/sdr/GTIA2021083035960.md): Unknown · odor · Aug 30, 2021 · N921NK · Airbus A320232 · Air Distribution System > DURING CLIMB ABOVE FL200 WE EXPERIENCED A FUME EVENT IN THE COCKPIT. COM PROCEDURE ISOLATED PACK 1. FUME REPORTING FORM FILLED OUT BY BOTH CREW (PILOTS)-PER TSM 05-50-00-810-831A PERFORMED CHECK OF EXTERNAL LEAKS OF HYDRAULIC COMPONENTS IAW AMM 29-00-00. NO LE - [SDR GTIA2021010735537](https://openairdocs.org/sdr/GTIA2021010735537.md): Unknown · odor · Jan 4, 2021 · N921NK · Airbus A320271N · Air Distribution System > F/A REPORT DIRTY SOCK SMELL FROM AFT GALLEY. PERFORMED TSM 05-50-00-810-831A. FOUND THE COS TUBE TYPE 10 MISCELLANEOUS NEAR THE AFT LAV. NO SMELL OF FUEL, SMOKE OR SKYDRUL NOTED. A/C OK FOR SERVICE AT THIS TIME. - [SDR GTIA2020102935415](https://openairdocs.org/sdr/GTIA2020102935415.md): Unknown · odor · Oct 30, 2020 · N921NK · Airbus A320271N · Air Distribution System > INTERMITTENT ODOR REPORTED DURING FLIGHT OCCURING EVERY 3 TO 5 MINUTES FROM THE LAFT OF THE PLANE. PERFORMED TSM 05-50-00 WITH TRACER. NO FINDINGS NOTED. A/C OKAY FOR 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 = 'N921NK' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N921NK/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.