What was found
WHILE PERFORMING T/C 78472010 FOUND BLADE #10 ON ENG #2 HAS MISSING CU-NI-IN COATING THAT IS WORN BEYOND LIMITS. GROUNDED - YES. REPLACED BLADES #10 AND 22 REF T/C 78472010.
- Difficulty date
- October 10, 2021
- Submitted
- October 12, 2021
- Operation
- Air carrier
- Aircraft
- N440AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41705
- Aircraft time
- 29,737 hours, 9,542 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7220 · Turbine Engine Air Inlet Section
- Part
- Blade
- Part number
- 3400010360
- Part serial
- DM091077C
- Condition
- Worn
- Location
- #2 Engine
- Part time
- 26,047 hours, 9,508 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.