What was found
WHILE ACCOMPLISHING FAN BLADE LUBE ON #1 ENG, T/C #78472010, FOUND ALL SHIMS WITH 25% TO 100% MOLYDAG COATING LOSS. GROUNDED - YES. REPLACED 24 EACH SHIMS DURING THE PERFORMANCE OF T/C 78472010 OF THIS WORK ORDER.
- Difficulty date
- April 2, 2021
- Submitted
- April 6, 2021
- Operation
- Air carrier
- Aircraft
- N558AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35177
- Aircraft time
- 53,492 hours, 15,680 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 7220 · Turbine Engine Air Inlet Section
- Part
- Blade
- Condition
- Worn
- Location
- Nr 1 Eng Fan
- 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.