What was found
WHILE ACCOMPLISHING FAN BLADE LUBE ON #1 ENG T/C 78472010, FOUND ALL BLADE SHIMS WORN INTO PARENT MATERIAL. GROUNDED - YES. REMOVED AND INSTALLED ALL NEW BLADE SHIMS ON #1 ENGINE. REF T/C #78472010.
- Difficulty date
- August 28, 2019
- Submitted
- August 29, 2019
- Operation
- Air carrier
- Aircraft
- N469AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41702
- Aircraft time
- 20,242 hours, 6,635 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7220 · Turbine Engine Air Inlet Section
- Part
- Blade
- Part number
- 3402523060
- 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.