# SDR UALA2009122103956

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 2009
- Submitted: December 21, 2009
- Operation: Air carrier
- Aircraft: [N227UA](https://openairdocs.org/aircraft/N227UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30555
- Aircraft time: 31,899 hours, 3,907 cycles
- Engine: Pwa PW40903
- Engine time: 49,185 hours, 7,129 cycles
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Fan Blade
- Part number: 56A221
- Part serial: CBDUBB7227
- Condition: Damaged
- Location: Nr 1 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: C
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2009122103956

## Discrepancy

POSSIBLE BIRDSTRIKE TO NR 1 ENG. ACCOMPLISHED BORESCOPE INSP.  HPC 5TH, 6TH, AND 10TH STAGE BLADES AND GAS PATH NO DAMAGE FOUND.  BIRD STRIKE DAMAGE FOUND ON NR 1 FAN BLADE.  HAS 3 DENTS ON CONVEX SIDE AT MIDSPAN 15 IN FROM BLADE ROOT.  REPLACED NR 1 BLADE INDICATED AT FAN ROTOR HUB.  REPLACED NR 1 BLADE.

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