# Service difficulty reports: N973NK, cancelled Sep 21, 2026 A list on [N973NK, cancelled Sep 21, 2026](https://openairdocs.org/deregistered/N973NK-2026-09-21.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR GTIA2025092939106](https://openairdocs.org/sdr/GTIA2025092939106.md): Unknown · odor · Sep 27, 2025 · N973NK · Airbus A320271N · Air Distribution System > ON DESCENT THRU FL 250 FO GOT DIRTY SOCK SMELL. NO SMELL IN CABIN. PACK 1 OFF THEN X BLEED SHUT. FUMES DISSIPATED. - [SDR GTIA2025092939105](https://openairdocs.org/sdr/GTIA2025092939105.md): Unknown · odor · Sep 26, 2025 · N973NK · Airbus A320271N · Air Distribution System > ON TAKEOFF NOTICED A DIRTY SOCK SMELL AFTER RUNNING ELIMINATION OF ODOR FUMES QRH DETERMINED THAT PACK 1 WAS THE SOURCEOF ODOR. DESCRIPTION OF ODOR/FUMES: PERSISTENT, DIRTY SOCKS SMELL. APPARENT CABIN SOURCE: UNKNOWN. FLIGHT DECK. NO VISIBLE SMOKE/HAZE. NO MED - [SDR GTIA2025092539095](https://openairdocs.org/sdr/GTIA2025092539095.md): Unknown · odor · Sep 25, 2025 · N973NK · Airbus A320271N · Air Distribution System > F/AS REPORTED FUMES - DIRTY/SOCK - SMELL IF THE AFT AFT OF THE AIR PLANE. DESCRIPTION OF ODOR-FUMES: CONTINUOUS AND DISCOMFORTABLE, DIRTY SOCKS SMEL. APPARENT CABIN SOURCE: CABIN AIR SUPPLY VENTS. AFT CABIN, GALLEY, LAVS. NO VISIBLE SMOKE OR HAZE. NO MEDICAL A - [SDR GTIA2025060238939](https://openairdocs.org/sdr/GTIA2025060238939.md): A/C Pack · odor · Jun 1, 2025 · N973NK · Airbus A320271N · Cabin Cooling System > FUME EVENT DESCENDING ON ARRIVAL THROUGH 14,000FT. RAN ELIMINATION OF ODOR/FUMES PROCEDURE AND ISSUE DISSIPATED AFTER PACK 1 WAS SELECTED OFF-- - [SDR GTIA2025060238934](https://openairdocs.org/sdr/GTIA2025060238934.md): Unknown · odor · May 31, 2025 · N973NK · Airbus A320271N · Air Distribution System > TEMPORARY, DIRTY SOCKS SMELL. APPARENT CABIN SOURCE: CABIN AIR SUPPLY VENTS. MID CABIN. NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.-IAW TSM 05-50-00-810-831-A DETERMINED THE ODOR TO BE TYPE 6 WITH EVALUATION LEVEL A. PEROFRMED LEVEL A DECONTAMINATION - [SDR GTIA2025052738926](https://openairdocs.org/sdr/GTIA2025052738926.md): Bleed Air Sys · odor · May 24, 2025 · N973NK · Airbus A320271N · Engine Bleed Air System > STRONG MUSTY SMELL WHILE DECENDING NOTICED AND REPORTED BY ALL CREW MEMBERS-REF TSM 05-50-00-810-831-A INPS ENG OILS IAW AMM 79-00-00. INSP APU OIL IAW AMM 49-90-00. NO DEFECTS. PERFORMED ENG RUNS IAW AMM 71-00-00. CYCLED PACKS WITH ENG/APU BLEEDS. FOUND SOURC - [SDR GTIA2025051938919](https://openairdocs.org/sdr/GTIA2025051938919.md): Unknown · odor · May 16, 2025 · N973NK · Airbus A320271N · Air Distribution System > FAS REPORT RANCID SMELL DURING FINAL DESCENT, BOTH IN FRONT AND REAR OF CABIN. DESCRIPTION OF ODOR/FUMES: TEMPORARY, MUSTY DRY SMELL. APPARENT CABIN SOURCE: FWD CABIN/GALLEY(LAV) AND AFT CABIN/GALLEY(LAV). NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.- - [SDR GTIA2025050538905](https://openairdocs.org/sdr/GTIA2025050538905.md): Unknown · odor · May 8, 2025 · N973NK · Airbus A320271N · Air Distribution System > MUSTY/DIRTY SOCKS SMELL IN DESCENT. ISOLATED PACK 1 AND SMELL VANISHED. ( 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)). DESCRIPTION OF ODOR/FUMES: PER - [SDR GTIA2025050538902](https://openairdocs.org/sdr/GTIA2025050538902.md): Unknown · odor · May 5, 2025 · N973NK · Airbus A320271N · Air Distribution System > FUME EVENT -PERFORMED TSM PROC 05-50-00-810-831 RAN BOTH ENGINES AND PACKS WITH CREWS ASSISTANCE COULD NOT DUPLICATE A/C OK FOR SERVICE MOC#57545 - [SDR GTIA2025030638784](https://openairdocs.org/sdr/GTIA2025030638784.md): A/C Pack · odor · Mar 4, 2025 · N973NK · Airbus A320271N · Cabin Cooling System > DECENDENDING THROUGH 4000 FT F/A'S REORTED DIRTY SOCK SMELL IN CABIN. NO ODOR NOTICED IN COCKPIT-CANIN ODOR ISOLATED TO PACK 2 REF TSM 05-50-00-810-831-A SEE LP 3627680-1 FOR CORRECTIVE ACTION. DESCRIPTION OF FUMES / ODOR(S)DIRTY SOCKS, LEVEL OF ODOR-PERS - [SDR GTIA2025012738697](https://openairdocs.org/sdr/GTIA2025012738697.md): A/C Pack · odor · Jan 24, 2025 · N973NK · Airbus A320271N · Cabin Cooling System > DESCENDING THROUGH APPROX. 11000 FEET THE FIRST OFFICER AND I SMELLED WHAT SEEMED TO BE A FUME / ODOR EVENT. THE SMELL WAS A MIX OF MILDEW,DIRTY SOCKS AND NAIL PLOISHER. WE FOLLOWED THE ELIMINATION OF ODOR / FUMES QRH CHECKLIST AND FTER SELECTING PACK 1 OFF IT - [SDR GTIA2024082038320](https://openairdocs.org/sdr/GTIA2024082038320.md): A/C Pack · contaminated · Aug 18, 2024 · N973NK · Airbus A320271N · Cabin Cooling System > CHEMICAL ODOR DETECTED APPROX 3000 AGL AS WE INTERSECT GLIDESLOPE ( 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))-REACTIVATED PACK #1 IAW AMM 21-51-00 - [SDR GTIA2024072238252](https://openairdocs.org/sdr/GTIA2024072238252.md): A/C Pack · odor · Jul 22, 2024 · N973NK · Airbus A320271N · Cabin Cooling System > STRONG SULFUR SMELL MID CABIN WHILE IN CRUISE-CANBIN ODOR ISOLATED TO PACK 2 REF TSM 05-50-00-810-831-A.SEE LP 3470117-2 FOR CORRECTIVE ACTION.MOC 58966 - [SDR GTIA2024022437940](https://openairdocs.org/sdr/GTIA2024022437940.md): Megaphone · inoperative · Feb 22, 2024 · N973NK · Airbus A320271N · Emergency Equipment > FOUND AFT MEGAPHONE INOP-R&R MEGAPHONE IAW A320-EMER EQUIP REV.3. - [SDR GTIA2023120137654](https://openairdocs.org/sdr/GTIA2023120137654.md): Indicator · illuminated · Nov 27, 2023 · N973NK · Airbus A320271N · Engine Oil Pressure > ENG 2 LOW OIL QTY IN FLIGHT READ ZERO-PERFORMED INSPECTION IAW TSM 71-00-00-810-846-A NIL FINDINGS FURTHER INSPECTIONS REQUIRED - [SDR GTIA2023081537413](https://openairdocs.org/sdr/GTIA2023081537413.md): Unknown · unknown · Aug 13, 2023 · N973NK · Airbus A320271N · Air Conditioning System > F/A'S REPORT JET FUEL / BURNING OIL SMELL IN BACK HALF OF CABIN-PER TSM 05-50-00-810-831-A PERFORMED OPS TEST OF PACK 1 AND 2 IAW AMM 21-61-00. ISOLATED BLEED SYSTEM IAW AMM 36-11-00, NO SMELLS NOTE A/C OK FOR CONTINUED 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 = 'N973NK' AND deregistration_id = 'N973NK-2026-09-21' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N973NK-2026-09-21/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.