# SDR CALA2025081107529

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2025
- Submitted: August 11, 2025
- Operation: Air carrier
- Aircraft: [N641UA](https://openairdocs.org/aircraft/N641UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25091
- Aircraft time: 131,570 hours, 20,219 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Galley
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025081107529

## Discrepancy

BURNING ODOR IN AFT GALLEY AND FA REPORTED UNUSUAL SOUND.  REMOVED ALL CARTS FROM AFT GALLEY TO PERFORM A DETAILED INSPECTION IAW AMM 25-31-91-202-001 AND CHECKED OVENS FOR DEFECTS OR ANY BURNING. OPERATED CHILLERS FOR 15MINS IAW AMM 25-31-00-705-001 AND 25-33-00-206-001 TO CHECK FOR ANY ABNORMAL ODORS OR SOUNDS IN AFT CARGO AND NONE WERE FOUND. RAN APU FOR 10MINS IAW AMM 49-11-00-802-002,  SHUTDOWN AND APU OPERATED WITHOUT SHUTTING OFF OR MAKING NOISE. NO FURTHER DEFECTS RELATED TO ODOR OR SOUNDS AT THIS TIME. OK TO CONTINUE.

---
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.