# Service difficulty reports: N664NK

A list on [N664NK](https://openairdocs.org/aircraft/N664NK.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

- [SDR GTIA2025122239220](https://openairdocs.org/sdr/GTIA2025122239220.md): Apu Bay · contaminated · Dec 21, 2025 · N664NK · Airbus A321231 · APU Cowling/Containment
  > FA AND PAX IN ROW 25 SMELLED DIRTY SOCKS DURING TAKE OFF AND LANDING WAS REPORTED TO YHE PILOTS AFTER LANDING DURING TAXI IN PACK 2 AND XBLEED SHOT PER ELIMINATION OF FUMES PROCEDURE FUMES DISSIPATED -INDENTY CAUSE OF SMELL IAW TSM 05-50-00-810-831A, FOUND AP
- [SDR GTIA2025121839208](https://openairdocs.org/sdr/GTIA2025121839208.md): A/C Pack · contaminated · Dec 16, 2025 · N664NK · Airbus A321231 · Cabin Cooling System
  > FUME EVENT, PACK NR 2 IN DESCENT, AROUND 5000, MILD INTENSITY. SHUT PACK 2 OFF AND ODOR WENT AWAY. ODOR WAS THE SAME AS PACK NR 1, DEICING FLUID. DESCRIPTION OF ODOR/FUMES: PERSISTENT, DEICING ODOR. APPARENT CABIN SOURCE: CABIN AIR SUPPLY VENTS. FLIGHT DECK.
- [SDR GTIA2025121839204](https://openairdocs.org/sdr/GTIA2025121839204.md): A/C Pack · contaminated · Dec 15, 2025 · N664NK · Airbus A321231 · Cabin Cooling System
  > FUME EVENT, AIRCRAFT WAS DEICED YESTERDAY MAYBE TWICE, PACK 1 IS GIVING OFF A MODERATE DEICE FLUID ODOR REGARDLESS IF ENGINE OR APU IS RUNNING. THE PACK 1 FUMES CHECK LIST WAS PERFORMED, PACK 1 WAS TURN OFF ODOR DISAPPEARED. ODOR WAS ISOLATED TO THE FLIGH
- [SDR GTIA2025121539202](https://openairdocs.org/sdr/GTIA2025121539202.md): Unknown · odor · Dec 14, 2025 · N664NK · Airbus A321231 · Air Distribution System
  > AQE/ ON DECENT @3000 COULD NOT ISOLATE TO WITCH PACK. CONTINUOUS AND DISCOMFORTABLE, DIRTY SOCKS SMELL. APPARENT CABIN SOURCE: CABIN AIR SUPPLY VENTS. FLIGHT DECK. NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQURIED.-PERFOMED TSM 05-50-00-810-831-A FOUND NO
- [SDR GTIA2025111739183](https://openairdocs.org/sdr/GTIA2025111739183.md): Epsu · inoperative · Nov 15, 2025 · N664NK · Airbus A321231 · Emergency Lighting
  > REF TC 356247-01-1-R3 DURING OPS CK EPSU TEST FAULTED 11WL-R/R (11WL) EPSU BATTERY IAW AMM 33-51-38. OPS CK GOOD.
- [SDR GTIA2025030338774](https://openairdocs.org/sdr/GTIA2025030338774.md): Slide · unwanted deploy · Feb 28, 2025 · N664NK · Airbus A321231 · Escape Slide
  > INADVERTENT R2 SLIDE DEPLOYMENT -R/R R2 SLIDE IAW AMM 25-62-47, OPS CHECK OK, NO DEFECTS NOTED AT THIS TIME.
- [SDR GTIA2025020638730](https://openairdocs.org/sdr/GTIA2025020638730.md): Hinge Arm · damaged · Feb 5, 2025 · N664NK · Airbus A321231 · Vertical Stabilizer
  > ELONGATE HOLES ON HINGE ARM 1 ON VERTICAL STABILIZER RAF-01 3634034-01 GENERATED-REPLACED HINGE ARM FITTING #1 ON VERTICAL STABILIZER IAW EA #55-0003-25 PART 2 D55371052 THIS REPAIR IS PERMANENT AND NOT REQUIRED INSPECTION
- [SDR GTIA2025020638729](https://openairdocs.org/sdr/GTIA2025020638729.md): Skin Panel · damaged · Feb 5, 2025 · N664NK · Airbus A321231 · Fuselage Main, Plate/Skin
  > PERMANENT SKIN REPAIR BETWEEN 5-7, Y330-Y520 EA 5311-2456-2 GENERATED-PERFORMED PERMANENT REPAIR OF THE FUSELAGE SKIN PANEL AT FR.5-7 BETWEEN Y330-Y520 IAW AE EA #53-0004-25 AND EC 5311-2514
- [SDR GTIA2025020638728](https://openairdocs.org/sdr/GTIA2025020638728.md): Hinge Arm · damaged · Feb 5, 2025 · N664NK · Airbus A321231 · Elevator Structure
  > ELONGATE HOLES ON HINGE ARM 7 ON VERTICAL STABILIZER RAF-01 3634035-02 GENERATED-PERFORMED PERMANENT REPAIR LOCATED ON HINGE ARM #7 ON VERTICAL STABILIZER IAW 55-36-42-300-008 AND EA #55-0005-25 PART 1,2 THIS REPAIR CATEGORY B REQUIRED INSPECTION THRESHOLD 128
- [SDR GTIA2025020638727](https://openairdocs.org/sdr/GTIA2025020638727.md): Skin · dented · Feb 5, 2025 · N664NK · Airbus A321231 · Nacelle/Pylon, Plate/Skin
  > DENT ON EXTERNAL SKIN INBOARD FAN COWL ON ENGINE 2 DAMAGE AREA: LENGTH 3.00IN, WIDTH 1.001IN, DEPTH 0.006IN, TIHCKNESS N/A RAF-01 3634033-02 GENERATED.-REPAIRED EXTERNAL SKIN INBOARD FAN COWL ON ENGINE 2 IAW EA #5414-2505 AND AE EA #54-0004-25 PART #1 PERMANEN
- [SDR GTIA2024110138497](https://openairdocs.org/sdr/GTIA2024110138497.md): A/C Pack · fumes · Oct 28, 2024 · N664NK · Airbus A321231 · Cabin Cooling System
  > FUME EVENTS ON CLIMB AND PACK 1 AFFECTED-PERFORMED TSM 05-50-500-810-831-A IDENTITY SOURCE OF OPER / FUMES PACK 1 SEE LP # 3391686-2 FOR CORRECTIVE ACTION OK TO CONTINUE MOC # 120091
- [SDR GTIA2024072238251](https://openairdocs.org/sdr/GTIA2024072238251.md): Transmitter · faulted · Jul 21, 2024 · N664NK · Airbus A321231 · Hydraulic System, Main
  > HYD Y RSVR LO LVL COMPLIED WITH ECAM HYD SYS PAGE SHOWS ADEQUATE FLUID -PERFORMED TSM 29-13-00-810-801-A TO REMOVE AND REPLACE YELLOW SYS LOW LEVEL SWITCH IAW AMM 29-13-41. REMOVED AND REPLACED YELLOW SYS TRANS-MITTER IAW AMM 29-13-41. LEAK CHECK OK. OPS TEST
- [SDR GTIA2024052138133](https://openairdocs.org/sdr/GTIA2024052138133.md): A/C Pack · odor · May 20, 2024 · N664NK · Airbus A321231 · Cabin Cooling System
  > FUME EVENT ON DESCENT OUT OF ABOUT 12500 MSL. DETECTED CHEMICAL ODOR PACK 1 TURNED OFF ODOR DISSIPATED WITHIN SEVERAL MINUTES. NO OTHER CREW MEMBERS REPORTED ANY TYPE OF ODOR IN AIRPLANE CABIN.-COMPLIED WITH TSM 05-50-00-810-831-A FOUND PACK 1 TO BE CAUSE OF O
- [SDR GTIA2024050338096](https://openairdocs.org/sdr/GTIA2024050338096.md): A/C Pack · odor · Apr 30, 2024 · N664NK · Airbus A321231 · Cabin Cooling System
  > AFT FAS HAD DIRTY SOCK SMELL 15 MINS PRIOR TO LANDING ISOLATED PACK 2 AND SMELL WENT AWAY-PERFORMED CHECK OF THE CABIN & COSKPIT NO ODORS NOTED AT THIS TIME IAW TSM 05-50-00-810-831-A A/C OK FOR CONTINUED SERVICE
- [SDR GTIA2024041738070](https://openairdocs.org/sdr/GTIA2024041738070.md): A/C Pack · odor · Apr 16, 2024 · N664NK · Airbus A321231 · Cabin Cooling System
  > SMELL OF DIRTY SOCKS IN THE CABIN WAS REPORTED TO THE CA AT 3000 ON FINAL APPROACH-TROUBLESHOT ODOR IAW TSM 05-50-00-810-831 FOUND PACK 1 TO BE THE SOURCE SEE LOG PAGE 3323664-2 FOR DEFERRAL
- [SDR GTIA2024032638022](https://openairdocs.org/sdr/GTIA2024032638022.md): Megaphone · no test · Mar 25, 2024 · N664NK · Airbus A321231 · Emergency Equipment
  > FWD MEGAPHONE WILL NOT TEST-REPLACED FWD GALLEY MEGAPHONE AS REQ. NORMAL OPS. REF. A321 DRAWING EMER. EQUIP.
- [SDR GTIA2023080737399](https://openairdocs.org/sdr/GTIA2023080737399.md): Megaphone · inoperative · Aug 7, 2023 · N664NK · Airbus A321231 · Emergency Equipment
  > FWD MEGAPHONE INOP-R&R FWD MEGAPHONE IAW AMM 25-65-51. OPS CHECK GOOD.
- [SDR GTIA2023012636910](https://openairdocs.org/sdr/GTIA2023012636910.md): A/C Pack · odor · Jan 25, 2023 · N664NK · Airbus A321231 · Cabin Cooling System
  > DIRTY SOCK SMELL AFT CABIN-ACCOMPLISHED TROUBLESHOOTING IAW TSM 05-50-00-810-831-A, ODOR ISOLATED TO PACK 2. SEE LOG PAGE 3080032-2 FOR PACK 2 DEFERRAL.AIRCRAFT OK FOR SERVICE.
- [SDR GTIA2022091536661](https://openairdocs.org/sdr/GTIA2022091536661.md): Megaphone · inoperative · Sep 14, 2022 · N664NK · Airbus A321231 · Escape Slide
  > AFT MEGAPHONE INOP.-R&R AFT MEGAPHONE IAW AMM 25-65-51. OPS CHECK, ALL GOOD.
- [SDR GTIA2022060936474](https://openairdocs.org/sdr/GTIA2022060936474.md): None · none · Jun 4, 2022 · N664NK · Airbus A321231 · Brake
  > AFTER TAKEOFF HOT BRAKE INDICATION FOLLOWED COM TEMP RETURNED TO BELOW 200C RETRACTED GEAR TEMP CLIMBED TO OVER 580C THEN LOST ALL INDICATIONS WAS ON #2 WHEEL ( ECAM WHEEL PAGE INDICATIONS BRAKE TEMPERTURES)-R & R # 2 BRAKE TEMP SENSOR IAW AMM 32-47-15. OP'S
- [SDR GTIA2021092035995](https://openairdocs.org/sdr/GTIA2021092035995.md): None · none · Sep 19, 2021 · N664NK · Airbus A321231 · Escape Slide
  > CAPTAIN FLASH LIGHT BURN OUT OR INOP ( FLASHLIGHT AND HOLDERS (FLIGHT DECK OR CABIN))-R/R FLASHLIGHT ON LEFT COCKPIT SIDE IAW AMM 25-65-22. OPS CHECK GOOD. THIS CLEARS DMI 2847846-2. PLACARD REMOVED. TRAX UPDATED
- [SDR GTIA2021040135667](https://openairdocs.org/sdr/GTIA2021040135667.md): Bottle · low pressure · Mar 31, 2021 · N664NK · Airbus A321231 · Emergency Equipment
  > R3 DOOR ASSIST BOTTLE LOW-SERVICED R3 DOOR ASSIST BOTTLE IAW AMM 52-22-00.
- [SDR GTIA2020070635234](https://openairdocs.org/sdr/GTIA2020070635234.md): Megaphone · missing · Jul 5, 2020 · N664NK · Airbus A321231 · Emergency Equipment
  > FWD CABIN MEGAPHONE IS MISSING. INSTALLED NEW MEGAPHONE IN FWD CABIN IAW EMER EQUIP REV IR.
- [SDR GTIA2019121984876](https://openairdocs.org/sdr/GTIA2019121984876.md): Unknown · odor · Dec 18, 2019 · N664NK · Airbus A321231 · Air Distribution System
  > F/A'S REPORT SMELL OF EGGS- ROTTEN SMELL- AT CRUSE ALTITUED NO REPRTS OF ANY ILLNESS TO ANY CREW OR PAX, SMELL CAME FROM AFT PORTION OF PLANE -C/W OPS TEST OF PACK 1&2, NO DMELLS COLLECTED WITH IN A HOUR TIME SPEED, IN HOT OR COLD, IAW AMM 21-61-00
- [SDR GTIA2019072834509](https://openairdocs.org/sdr/GTIA2019072834509.md): Unknown · odor · Jul 28, 2019 · N664NK · Airbus A321231 · Air Distribution System
  > FA REPORTED MOMENTARY SMOKE SMELL IN CRUISE. ROW 19 + 20 SEATS DEF-AN AIR CONDITIONING IAW AMM 21-21-00. NO UNUSUAL ODORS DETECTED.
- [SDR GTIA2019070103446](https://openairdocs.org/sdr/GTIA2019070103446.md): Unknown · odor · Jul 1, 2019 · N664NK · Airbus A321231 · Air Distribution System
  > FA & PAX REPORTED BURNING SMELL MID CABIN LIKE BURNT POPCORN SELECTED #2 PACK OFF AND SMELL WENT AWAY ( PACKS WITH MOD. 31283/MP P7125 (FWC H2-F1 STND) AND WITH MOD. 30626/ MP K6443 (ENHANCED ECS) - FAULT CAUTIONS ASSOCIATED WITH OPERATIVE SIDE NOT DISPLAYED)
- [SDR GTIA2019062753436](https://openairdocs.org/sdr/GTIA2019062753436.md): Unknown · odor · Jun 25, 2019 · N664NK · Airbus A321231 · Air Distribution System
  > AFTER TAKEOFF STRONG ELECTRICAL BURNING ORDOR BY L2 DOOR REPORTED BY FA'S AND PAX PERSISTED THROUGHOUT ALL FLIGHT. NO ECAMS FOLLOWIED COM PROCEDURER FOR AVIONICS SMOKE/SMOKE/FUMES AND OVERWEIGHT LNG PROCEDURES. AIR RETURN TO DFW.-REVIEW FUME EVENT REPORT,
- [SDR GTIA2019061303411](https://openairdocs.org/sdr/GTIA2019061303411.md): Unknown · odor · Jun 10, 2019 · N664NK · Airbus A321231 · Air Distribution System
  > MUSTY SMELL REPORTED IN FRONT GALLEY. PERFORMED ENG RUN IAW AMM 71-00-00. PERFROMED FUNCTIONAL CHECKS OF PACK 1&2 IAW AMM 21-63-00. NO SMELLS NOTED. DID NOT NOTE ANY SMELLS. A/C OK FOR CONTINUED SERVICE
- [SDR GTIA2019021863166](https://openairdocs.org/sdr/GTIA2019021863166.md): Bottle · low pressure · Feb 16, 2019 · N664NK · Airbus A321231 · Emergency Equipment
  > L4 DOOR ASSIST BOTTLE NEEDS SERVICING-SERVICED L4 DOOR ASSIST BOTTLE IAW AMM 52-10-00
- [SDR GTIA2019010103063](https://openairdocs.org/sdr/GTIA2019010103063.md): Unknown · odor · Jan 1, 2019 · N664NK · Airbus A321231 · Air Distribution System
  > HYDRAULIC SMELL AT R3 LOCATION DURING FINAL APPR PHASE. PERFORMED HYD LEAK CK. NO LEAKS NOTED IAW AMM 29-00-00. PERFORMED ENGINE RUN IAW AMM 71-00-00. NO DEFECTS NOTED NO FUMES NOTED AT THIS TIME.
- [SDR GTIA2018121323014](https://openairdocs.org/sdr/GTIA2018121323014.md): Bottle · low pressure · Dec 12, 2018 · N664NK · Airbus A321231 · Emergency Equipment
  > L2 DOOR ASSIST BOTTLE LOW -SVCD L2 DOOR ASSIST BOTTLE IAW AMM 52-10-00
- [SDR GTIA2018062182705](https://openairdocs.org/sdr/GTIA2018062182705.md): Knob · missing · Jun 18, 2018 · N664NK · Airbus A321231 · Emergency Equipment
  > L1 DOOR MEGAPHONE KNOB MISSING. REPLACED THE MEGAPHONE KNOB IAW AMM 25-65-51 OPS CHECKED GOOD.
- [SDR GTIA2018021602436](https://openairdocs.org/sdr/GTIA2018021602436.md): Megaphone · inoperative · Feb 16, 2018 · N664NK · Airbus A321231 · Emergency Equipment
  > FWD MEGAPHONE INOPERATIVE. R & R THE FWD MEGAPHONE IAW DRAWING NKS321-256-EQ REV 1.
- [SDR GTIA2017122002299](https://openairdocs.org/sdr/GTIA2017122002299.md): Seal · leaking · Dec 20, 2017 · N664NK · Airbus A320232 · Turbine Engine Oil System
  > AT 400 FT ON FINAL, AN ODOR WAS DETECTED. WITH PACK 1 OFF, THE ODOR DISAPATED. ACCOMPLISHED GVI APU BLEED-AIR DUCT, INLET GUIDE FANES, ETC. NO EXTERNAL LEAKS NOTED IN APU AREA. IAW TSM 21-00-00-810-801-A. PERFORMED ENGINE RUNS & FOUND THE NR 1 ENG DE
- [SDR GTIA2017070302042](https://openairdocs.org/sdr/GTIA2017070302042.md): Bottle · low pressure · Jul 3, 2017 · N664NK · Airbus A321231 · Passenger/Crew Doors
  > L4 DOOR ASSIST BOTTLE PRESSURE REQUIRES SERVICE. SERVICED THE L4 DOOR ASSIST BOTTLE TO CORRECT PRESSURE IAW AMM 52-10-00.
- [SDR GTIA2017060801975](https://openairdocs.org/sdr/GTIA2017060801975.md): Bottle · low pressure · Jun 8, 2017 · N664NK · Airbus A321231 · Passenger/Crew Doors
  > L4 PAX DOOR ASSIST BOTTLE PRESSURE WAS LOW.. SERVICED THE ASSIST BOTTLE IAW AMM 52-10-00
- [SDR GTIA2016070701504](https://openairdocs.org/sdr/GTIA2016070701504.md): Slide · low pressure · Jul 7, 2016 · N664NK · Airbus A321231 · Escape Slide
  > L1 DOOR SLIDE FOUND WITH LOW PRESSURE. R & R LEFT HAND FWD ESCAPE SLIDE RAFT PACK ASSY. IAW AMM 25-62-44 FIN 7500MM

## 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 = 'N664NK' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N664NK/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.