What was found
NR 2 ENGINE S/N 658601 BLADE NR 24 S/N DM077597-5 CU-NI-IN COATING WORN BEYOND LIMITS. GROUNDED-YES. REMOVED AND REPLACED BLADE NR 24 AND ITS PAIR NR 12 ON NR 2 ENGINE, REF T/C 78472010.
- Difficulty date
- December 22, 2020
- Submitted
- December 24, 2020
- Operation
- Air carrier
- Aircraft
- N457AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36355
- Aircraft time
- 25,475 hours, 8,225 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7220 · Turbine Engine Air Inlet Section
- Part
- Blade
- Part number
- 3400010360
- Part serial
- DM0775975
- Condition
- Worn
- Location
- Nr 2 Engine Fan
- Part time
- 25,475 hours, 8,225 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.