# SDR YENA2025041100391

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 2025
- Submitted: April 12, 2025
- Operation: Air carrier
- Aircraft: [N649JB](https://openairdocs.org/aircraft/N649JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 02977
- Aircraft time: 68,152 hours, 24,431 cycles
- System (JASC): [4910 · APU Cowling/Containment](https://openairdocs.org/jasc/4910)
- Part: Apu Bay
- Condition: Contaminated
- Location: Zone 100
- Stage of operation: DE
- 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/YENA2025041100391

## Discrepancy

FLT#1793,JFK-SFO. 'DIRTY SOCK / MUSK SMELL IN COCKPIT AND MID CABIN ( APU SYSTEM ); REMOVED AND REPLACED COOLING FAN ASSY (8053KM) IAW AMM 49-52-51 OPS CHK AND LEAK CHK OK CLEANED RESIDUAL OIL FROM APU COMPARTMENT AND APU PLENUM SEAL IAW AMM 49-16-00 PERFORMED LEVEL A DECONTAMINATION OF ECS USING APU BLEED IAW AMM 21-00-00 NO SMELL NOTED THIS CLEARS THE MDDR MX-4 UPDATED PLACARD RMVD.'

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