# SDR GTIA2025012738701

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2025
- Submitted: January 28, 2025
- Operation: Air carrier
- Aircraft: [N687NK](https://openairdocs.org/aircraft/N687NK), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 8160
- Aircraft time: 22,581 hours, 10,007 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Insulation
- Condition: Damaged
- Location: Zone 100
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2025012738701

## Discrepancy

AS SOON AS WE LEVELED AT ALTITUDE FOR A FEW MINUTES, FL 360 FAS IN THE AFT CALLED W/ A BURNING BATTRY SMELL, NO VISIBLE SMOKE OR FIRE DIVESTED.-R+R OZONECONVERTER IAM AMM 21-58-42 PERFORMED AQE PER TSM 05-50-00-810-831-A AND FOUND INSULATION BLACKET DAMAGED FROM HEAT R+R RECIRCULATION FILTERS IAW AMM 21-21-41 OPS CHECK GOOD NO BURNING SMELL NOTED A/C OK FOR SVC
DESCRIPTION OF ODOR/FUMES: OTHER, SMOKE/BURNING SMELL/ELECTRICAL. CONTINUOUS AND DISCOMFORTABLE. APPARENT CABIN SOURCE: UNKOWN. FWD CABIN/GALLEY(LAV). AFT CABIN/GALLEY(LAV), MID CABIN, AND FLIGHT DECK. NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.

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