# SDR CALA2013082290669

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2013
- Submitted: August 23, 2013
- Operation: Air carrier
- Aircraft: [N197UA](https://openairdocs.org/aircraft/N197UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 26901
- Aircraft time: 64,878 hours, 7,579 cycles
- Engine: Pwa PW4056
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: PW564R
- Part serial: 724668
- Condition: Bird Ingestion
- Location: Nr 4
- Stage of operation: CL
- How discovered: O
- Nature of condition: C, E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2013082290669

## Discrepancy

NR 4 ENGINE VIBRATION AT TAKE OFF. AIRCRAFT EXPERIENCED A BIRD STRIKE.  INSPECTION PER MM CARRIED OUT.

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