# SDR UALA2012012600548

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2012
- Submitted: March 2, 2012
- Operation: Air carrier
- Aircraft: [N646UA](https://openairdocs.org/aircraft/N646UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25283
- Aircraft time: 86,456 hours, 13,910 cycles
- Engine: Pwa PW4060
- Engine time: 78,517 hours, 11,509 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: PW606R
- Part serial: 717690
- Condition: Surges
- Location: Nr 2
- Part time: 78,517 hours, 11,509 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012012600548

## Discrepancy

NR 2 ENG SURGE DURING T/O.  ABORTED T/O AT 40KTS.  RPLC NR 2 ENG SN 717690 DUE ENGINE SURGE, RESULTING IN ABORTED TAKEOFF & RECENT PARAMETER SHIFT.  RMV'D NR 2 ENG SN 717690.  INSTALLED ENG 727968.

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