What was found
PER T/C 78472010 #1 ENG FAN BLADE LUBE #18 FAN BLADE CU-NI-IN COATING IS MISSING BEYOND LIMITS. GROUNDED - YES. REMOVED AND REPLACED #18 FAN BLADE REF T/C 78472010.
- Difficulty date
- September 29, 2021
- Submitted
- October 1, 2021
- Operation
- Air carrier
- Aircraft
- N529AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35198
- Aircraft time
- 40,780 hours, 12,020 cycles
- System (JASC)
- 7220 · Turbine Engine Air Inlet Section
- Part
- Blade
- Part number
- 3400010260
- Part serial
- DD869823E
- Condition
- None
- Location
- #1 Engine
- Part time
- 44,604 hours, 3,642 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.