# SDR DL76L090043

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2009
- Submitted: January 16, 2009
- Operation: Air carrier
- Aircraft: [N171DN](https://openairdocs.org/aircraft/N171DN), registered now
- Make and model: Boeing 767332
- Aircraft serial: 24759
- Aircraft time: 87,997 hours, 13,083 cycles
- Engine: Pwa PW4060
- Engine time: 50,660 hours, 10,139 cycles
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Blade
- Condition: Failed
- Location: Nr 1 Engine
- Part time: 50,660 hours, 10,139 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL76L090043

## Discrepancy

NR 1 ENGINE DUE FAILED BORO 7 STG HPC.  INSP 7TH STAGE HPC BLADE ROOT FOUND 1 BLADE DAMAGED .185 IN AREA C.  BEYOND AMM LIMITS.  NR 1 ENGINE CHANGE REQUIRED.

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