# SDR YENA2026082600707

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2026
- Submitted: August 27, 2026
- Operation: Air carrier
- Aircraft: [N903JB](https://openairdocs.org/aircraft/N903JB), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 05783
- Aircraft time: 45,613 hours, 14,347 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Condition: Odor
- Location: Zone 100
- Stage of operation: CL
- 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/YENA2026082600707

## Discrepancy

FLIGHT 397, BOS-SEA,  FLIGHT ATENDANTS REPORTED A FUEL/ OIL ODOR ON CLIMBOUT, MODERATE INTENSITY OCCURRING IN THE AFT GALLEY COFFEEMAKER VENT. DISSIPATED AFTER 20 MINS.  CW INFO NOTICE 2017-T015N AND IDENT ODOR TO BE TYPE 1 APU. PERFORMED ECS DECONTAMINATION LEVEL A IAW AMM 21-00-00. ODOR NO LONGER PRESENT AT THIS TIME. NO ODOR HISTORY. APU PLACED ON MEL 49-10-01A CAT C. CFDS APU FCN N/A. PULLED AND COLLARED L41 & L42 ON 121VU PER MEL 49-10-01A. MX-4 UPDATED PLAC INSTALLED MCC LEO NOTIFIED.  OPEN

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