# SDR P5CA2009061101599

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 8, 2009
- Submitted: June 11, 2009
- Operation: Air carrier
- Aircraft: [N451PA](https://openairdocs.org/aircraft/N451PA), registered now
- Make and model: Boeing 747-46NF
- Registry model: [Boeing 747-46NF](https://openairdocs.org/model/boeing-747-46nf) (OpenAirDocs)
- Aircraft serial: 30809
- Aircraft time: 36,698 hours, 6,123 cycles
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Blades
- Part number: 1338M51P05
- Condition: Damaged
- Location: Engine Fan
- Stage of operation: CL
- How discovered: O
- Nature of condition: C, E
- Precautionary procedure: B, J, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA2009061101599

## Discrepancy

CREW REPORTED VIBRATION FROM NR 1 ENGINE ON CLIMB.  CREW DUMPED FUEL AND RETURNED TO LAX.  FOUND EVIDENCE OF BIRD STRIKE IN NR 1 ENGINE INLET.  ACCOMPLISHED BIRD STRIKE INSPECTION PER AMM 72-00-00 AND 05-51-14.  REPLACED 7 DAMAGED FAN BLADES PER AMM 72-31-02.

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