# SDR UALA2013013100574

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2013
- Submitted: February 1, 2013
- Operation: Air carrier
- Aircraft: [N226UA](https://openairdocs.org/aircraft/N226UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30226
- Aircraft time: 46,487 hours, 5,628 cycles
- Engine: Pwa PW40903
- Engine time: 61,444 hours, 8,796 cycles
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Blade
- Condition: Damaged
- Location: Turbine Section
- 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/UALA2013013100574

## Discrepancy

REPLACED NR 1 ENGINE DUE TO 6 HPT STAGE 1 BLADES WITH BURN THROUGH INTO THE INTERNAL CAVITY IN AREA C LESS THAN 0.125 SQ INCH REF MM 72-00-00 PG 698.73.   REPLACED NR 1 ENGINE.

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