What was found
PER T/C 78472010 # 2 ENG FAN BLADE LUBE # 21 BLADE CU-NI-IN COATING MISSING BEYOND LIMITS. GROUNDED - YES. REMOVED AND REPLACED # 2 ENG FAN BLADE # 21, AND ALSO # 9 AS ITS PAIR REF TASK CARD 78472010.
- Difficulty date
- March 29, 2021
- Submitted
- March 30, 2021
- Operation
- Air carrier
- Aircraft
- N433AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41704
- Aircraft time
- 28,129 hours, 8,978 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7220 · Turbine Engine Air Inlet Section
- Part
- Blade
- Part number
- 3400010360
- Part serial
- DM046816
- Condition
- Worn
- Location
- Nr 2 Engine Fan
- Part time
- 28,126 hours, 8,977 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.