# SDR CALA2018011200113

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 2018
- Submitted: January 13, 2018
- Operation: Air carrier
- Aircraft: [N772UA](https://openairdocs.org/aircraft/N772UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26930
- Aircraft time: 87,664 hours, 15,763 cycles
- Engine: Pwa PW4077
- Engine time: 72,920 hours, 13,381 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Odor
- Location: Nr 1
- Stage of operation: DE
- 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/CALA2018011200113

## Discrepancy

AT IDLE DESCENT WITH  HIGH PRESSURE VALVES OPEN, A NOXIOUS OILY ODOR.  REPLACE THE NR 1 ENGINE IAW  MM 71-00-02.

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