# SDR UALA2013062504404

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2013
- Submitted: June 27, 2013
- Operation: Air carrier
- Aircraft: [N122UA](https://openairdocs.org/aircraft/N122UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 29168
- Aircraft time: 58,222 hours, 6,783 cycles
- Engine: Pwa PW4056
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Condition: Odor
- Stage of operation: NR
- 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/UALA2013062504404

## Discrepancy

VERY STRONG OIL ODOR IN ENTIRE CABIN WITH APU BLEED ON AND PACKS ON.   REPLACED APU IAW AMM 49-11-01-401.  OPS AND LEAK CHECKED NORMAL.

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