# SDR UALA2011101705620

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2011
- Submitted: November 14, 2011
- Operation: Air carrier
- Aircraft: [N788UA](https://openairdocs.org/aircraft/N788UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26942
- Aircraft time: 63,886 hours, 9,169 cycles
- Engine: Pwa PW40903
- Engine time: 58,183 hours, 8,682 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part serial: 222015
- Condition: Out Of Tolerance
- Location: Posit 1
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011101705620

## Discrepancy

NR 1 ENG HOC.  DUE TO CHRONIC HISTORY OF HOC & OIL GULPING REPLACE NR 1 ENGINE.

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