- Difficulty date
- February 24, 2023
- Submitted
- March 1, 2023
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41733
- Aircraft time
- 36,279 hours, 11,577 cycles
- Engine time
- 54,174 hours, 24,444 cycles
- Part
- Engine
- Part number
- CFM567B27
- Part serial
- 874470
- Condition
- Worn
- Location
- Left Wing
- Part time
- 54,174 hours, 24,444 cycles
- 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.
What was found
WHILE ACCOMPLISHING T/C 78472010 FOUND 18 FAN BLADES WITH BLADE SHANK WEAR BEYOND AMM PUBLISHED LIMITS REF B737-900 AMM 72-21-02-200-801-F00 STEP F.1 (E)3)B)<1>. GROUNDED - YES. REMOVED #1 ENGINE ESN 874470. REF ASA SHOP W/O # 1944222.