# SDR YENA2022120201191

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 29, 2022
- Submitted: December 2, 2022
- Operation: Air carrier
- Aircraft: [N954JB](https://openairdocs.org/aircraft/N954JB), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 06725
- Aircraft time: 26,212 hours, 8,509 cycles
- System (JASC): [4930 · APU Engine Fuel and Control](https://openairdocs.org/jasc/4930)
- Part: O-Ring
- Condition: Leaking
- Location: Fmu
- Stage of operation: CR
- How discovered: 9
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2022120201191

## Discrepancy

FLT1216, SJU-JFK.  ODOR & FUMES EVENT,  DIRTY SOCK, MOLD & MUSTY ODOR. ON THE GROUND AND THEN DURING CRUISE. MILD TO MODERATE ODOR DETECTED BY PILOTS, FA, & PAX.  SEVERAL HEADACHE COMPLAINTS. PERSISTENT ODOR. COCKPIT & FWD CABIN. ODOR FROM AIR VENTS. SHUT CROSSBLEED VALVE AND TURNED OFF PACK 1. ODOR MUCH LESS WITH PACK 1 OFF.  REPLACED DAMAGED FMU O-RING IAW AMM 49-32-11. THE LEAK TEST IS GOOD.

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