# SDR P5CA0601490

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2006
- Submitted: July 21, 2006
- Operation: Air carrier
- Aircraft: [N452PA](https://openairdocs.org/aircraft/N452PA), registered now
- Make and model: Boeing 747-46NF
- Registry model: [Boeing 747-46NF](https://openairdocs.org/model/boeing-747-46nf) (OpenAirDocs)
- Aircraft serial: 30810
- Aircraft time: 23,350 hours, 4,042 cycles
- Engine: Ge CF680C2*
- Engine time: 22,238 hours, 3,838 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Blades
- Condition: Damaged
- Location: Nr 1 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: X, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA0601490

## Discrepancy

ON CLIMB PASSING FL250, BANG FROM NR 1 ENGINE ALONG WITH SHUDDER. EGT PEAKED 898 DEGREE C. INDICATION RETURNED TO NEAR NORMAL AFTER EVENT.  BOROSCOPED NR 1 ENGINE (SN 706222) STAGE 12 BLADES DAMAGED BEYOND LIMITS. ENGINE CHANGE IN PROGRESS.

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