# SDR AALA201602189013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 17, 2016
- Submitted: February 18, 2016
- Operation: Air carrier
- Aircraft: [N713UW](https://openairdocs.org/aircraft/N713UW), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1040
- Aircraft time: 47,043 hours, 26,597 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: O-Ring
- Condition: Leaking
- Location: Apu
- Stage of operation: NR
- 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/AALA201602189013

## Discrepancy

AIRCRAFT HAS UNIDENTIFIED ODOR.  APPEARS TO BE AN ACRID CHEMICAL SMELL, SEEMS TO BE COMING OUT OF COCKPIT VENT OVERHEAD.  PER CREW A/C CABIN ODOR REPORT, SOURCE OF ODOR WAS APU.  REPLACED O RING AT STARTER IAW AMM 49-42-51.  ACCOMPLISHED APU LOAD COMPRESSOR WASH JC 26L31049009, JC 26L00021001, JC 26L0021002 & JC 26L00021004.

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