# SDR YENA2025110401082

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 31, 2025
- Submitted: November 4, 2025
- Operation: Air carrier
- Aircraft: [N978JB](https://openairdocs.org/aircraft/N978JB), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 07584
- Aircraft time: 36,787 hours, 7,261 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Odor
- Location: Nr 2
- 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/YENA2025110401082

## Discrepancy

FLT#187, BOS-LAX. "FUME EVENT IN RAIN ON TAKEOFF THROUGH 12000FT. RAN PROCEDURE DISSIPATED WITH PACK 2 OFF AND X BLEED SHUT; COMPLIED WITH INFO NOTICE 2017-T015, SECTION A ISOLATED FAULT TO BE TYPE 10. AMBIENT AIR ODOR PER TSM 05-50-00-810-085B. A/C IS OK FOR SVC. UNABLE TO DUPLICATE ODOR EVENT. APU INSPECTION PERFORMED PER EC #A4925017-01 FOR PRECAUTIONARY PURPOSES WITH NO FINDINGS."

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