What was found
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.
- Difficulty date
- July 25, 2017
- Submitted
- July 31, 2017
- Operation
- Air carrier
- Aircraft
- N563AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35180
- Aircraft time
- 40,776 hours, 12,236 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 7250 · Turbine Section
- Part
- Guide Vane
- Condition
- Cracked
- Location
- Nr 2 Engine
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.