# SDR ASAA2017072521461

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2017
- Submitted: July 31, 2017
- Operation: Air carrier
- Aircraft: [N563AS](https://openairdocs.org/aircraft/N563AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35180
- Aircraft time: 40,776 hours, 12,236 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Guide Vane
- Condition: Cracked
- Location: Nr 2 Engine
- 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/ASAA2017072521461

## Discrepancy

WHILE ACCOMPLISHING HPT BLADE BOROSCOPE IAW T/C 78472022 ON THE NR 2 ENGINE, FOUND 2 LPT STAGE 1 NOZZLE GUIDE VANES WITH AN AXIAL CRACK .075 INCH,  14 VANE SEGMENTS IN FROM S17, VIEWING CONCAVE SIDE OF LPT VANES.  ACFT GROUNDED.

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