# SDR UALA2013020400616

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 2013
- Submitted: February 5, 2013
- Operation: Air carrier
- Aircraft: [N797UA](https://openairdocs.org/aircraft/N797UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26924
- Aircraft time: 66,891 hours, 9,334 cycles
- Engine: Pwa PW40903
- Engine time: 44,381 hours, 5,794 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Surges
- Location: Nr 2
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013020400616

## Discrepancy

NR 2 ENGINE SILENT SURGE.  PERFORMED TESTS IAW MM 71-00-00 P5XX,  FIM 71-05 TASK 815 STEP B(1), MM 71-00-00 P5XX,  FIM 71-08 TASK 828.1.2,  & MM 71-00-00 P5XX.    ALL TESTS PASSED. NO ENG SURGES NOTED.  ACCOMPLISHED EG 7673, EG7 674 AND EG 7675, NO PROBLEMS FOUND.

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