# SDR ASMF20180625010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2018
- Submitted: June 25, 2018
- Operation: Air carrier
- Aircraft: [N964AM](https://openairdocs.org/aircraft/N964AM), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 35307
- Aircraft time: 20,690 hours, 2,693 cycles
- Engine: GENX1B70P1
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Blade
- Condition: Damaged
- Location: Lt Engine
- Part time: 20,690 hours, 2,693 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASMF20180625010

## Discrepancy

DURING A TRANSIT CHECK, DETECTED FOD DAMAGE TO THE LOW PRESSURE TURBINE 7TH STAGE OF THE LEFT ENGINE.  MAINTENANCE PERFORMED AN INSPECTION AND FOUND A NICK WITH TWO CRACKS ON THE LOW PRESSURE TURBINE BLADE. FOUND OUT OF LIMITS IAW AMM DMC-B787-A-G72-00-00-10B-280C-A, PAGE 26.  THE LEFT ENGINE  WAS REPLACED AND OPS TESTED IAW AMM DMCB-787-A-G71-00-00-10B-520A-A AND DMCB787-A-G71-00-00-10B-720A-A, ALL CORRECT.

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