What was found
ENGINE #1 ALL FAN BLADE SHIMS MISSING MOLYDAG COATING. GROUNDED - YES. REMOVED AND REPLACED ALL THE FAN BLADE SHIMS IN THE #1 ENGINE. REF T/C 78472010 " CFM56-7 FAN BLADE LUBRICATION".
- Difficulty date
- December 9, 2021
- Submitted
- December 13, 2021
- Operation
- Air carrier
- Aircraft
- N586AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35189
- Aircraft time
- 51,248 hours, 15,403 cycles
- System (JASC)
- 7220 · Turbine Engine Air Inlet Section
- Part
- Shim
- Part number
- 3402523070
- Condition
- Damaged
- Location
- #1 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.