# SDR AALA201603169004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2016
- Submitted: March 16, 2016
- Operation: Air carrier
- Aircraft: [N174US](https://openairdocs.org/aircraft/N174US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1492
- Aircraft time: 51,271 hours, 19,167 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: O-Ring
- Part number: M832481011
- Condition: Damaged
- Location: Apu
- Component: Apu, Honeywell, GTCP1319A
- Component part number: 38007081
- Stage of operation: TO
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201603169004

## Discrepancy

AIRCRAFT WAS NOT GNDED.  CREW REPORTS MUSTY SMELL AT GATE.  STRONGER ON TAKEOFF.  FOUND APU CHIP DETECTOR LEAKING, REPLACED THE O RINGS & ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.  ACCOMPLISHED TASK CARDS 26L00021001, 26L00021004.  DECONTAMINATION ACCOMPLISHED & NO SMELLS NOTED.

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