# SDR YENA2023081800956

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2023
- Submitted: August 18, 2023
- Operation: Air carrier
- Aircraft: [N2059J](https://openairdocs.org/aircraft/N2059J), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 09245
- Aircraft time: 9,004 hours, 2,559 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2023081800956

## Discrepancy

FLT#149, JFK-GND. 'INFLIGHT CREW REPORTED DIRTY SOCKS SMELL DURING DESCENT NO ABNORMAL SMELL IN COCKPIT ( APU BLEED AIR SUPPLY SYSTEM ); DURING INSPECTION PER TSI FOUND APU WITH OIL RESIDUAL AND PU SYS IS DEACTIVATED PER MEL 49-10-01. THIS ACTION CLEAR MX-4 UPDATED AND PLACARD REMOVED. MCC NOTIFIED CHARLIE.'

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