# SDR P5CA0801558

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2008
- Submitted: April 25, 2008
- 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: 31,652 hours, 5,373 cycles
- Engine: Ge CF680C2*
- Engine time: 30,105 hours, 5,138 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: CF680C2B5F
- Part serial: 706215
- Condition: Failed
- Location: Left
- Stage of operation: AP
- How discovered: O
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA0801558

## Discrepancy

AT 3000' ON FINAL, A LOUD BANG WAS HEARD ON THE LEFT SIDE OF THE AIRCRAFT, FOLLOWED BY 2 MORE TIMES.  ENGINE VIBRATIONS EXCEEDED ON NR 2, ALL ENGINE INDICATIONS THEN APPEARED NORMAL.  NR 2 ENGINE CHANGE.

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