# SDR YENA2024011600041

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2024
- Submitted: January 16, 2024
- 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: 36,327 hours, 11,501 cycles
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Apu
- Part number: UNKNOWN
- Condition: Faulted
- 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/YENA2024011600041

## Discrepancy

FLT#1193, BOS-MBJ. '(APU SYSTEM); PERFORMED THE STEPS IN TSM 49-00-00-200-811A. FOUND NO LEAKS FROM LOAD COMPRESSOR DRAIN LINE. NO VISIBLE OIL LEAKS NOTED. RAN APU AND BLEED FOR A TOTAL OF 3 HOURS AND NO ODORS PRESENT. MDDR CLEARED. PLACARD REMOVED. MX4 UPDATED. MCC NOTIFIED.

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