What was found
WHILE ACCOMPLISHING T/C 78472010 FOUND BLADES 14 AND 16 DAMAGED CV-N1-W COATING BEYOND LIMITS NR 1 ENGINE. GROUNDED-YES. REMOVED AND REPLACED BLADE 14 AND 16 WITH NEW SERVICEABLE ONES, REF TASK CARD 7842010.
- Difficulty date
- October 10, 2020
- Submitted
- October 12, 2020
- Operation
- Air carrier
- Aircraft
- N468AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41735
- Aircraft time
- 23,919 hours, 7,687 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7220 · Turbine Engine Air Inlet Section
- Part
- Blade
- Part number
- 3400010360
- Part serial
- DM079908J
- Condition
- Damaged
- Location
- Nr 1 Engine
- Part time
- 23,913 hours, 7,684 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.