# SDR UALA2012052702937

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 25, 2012
- Submitted: June 5, 2012
- Operation: Air carrier
- Aircraft: [N791UA](https://openairdocs.org/aircraft/N791UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26933
- Aircraft time: 64,545 hours, 9,374 cycles
- Engine: Pwa PW40903
- System (JASC): [7120 · Engine Mount Section](https://openairdocs.org/jasc/7120)
- Part: Mount
- Part number: 310W30318
- Part serial: 018
- Condition: Out Of Position
- Location: Nr 1 Eng Aft
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012052702937

## Discrepancy

NR 1 ENGINE AFT MOUNT HAS MIGRATED LINK BEARING.  MIGRATION APPROXIMATELY 0.125 INCH.  REPLACED AFT LOWER ENGINE MOUNT PER AMM.

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