What was found
WHILE ACCOMPLISHING ASA T/C 78472022, FOUND 4 CRACKED LPT 1ST STAGE NOZZLE GUIDE VANES CRACKED AT 12, 1 AND 3 O'CLOCK. #1 ENG. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE. DEFECT TRANSFERRED TO SHOP W/O # 1951228.
- Difficulty date
- December 12, 2022
- Submitted
- December 16, 2022
- Operation
- Air carrier
- Aircraft
- N585AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35683
- Aircraft time
- 55,657 hours, 16,643 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 7250 · Turbine Section
- Part
- Guide Vane
- Condition
- Cracked
- Location
- Lpt
- Stage of operation
- IN
- How discovered
- B
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.