What was found
WHILE ACCOMPLISHING T/C 78472010 FOUND BLADES 13,9,2,8,18,5,21 ON ENGINE #1 TO HAVE DAMAGE TO THE COATING THAT IS OUT OF LIMITS. GROUNDED - YES. REPLACED #1 ENGINE BLADES 1,2,5,6,8,9,13,14,18 AND 21 REF T/ 78472010.
- Difficulty date
- December 4, 2021
- Submitted
- December 7, 2021
- Operation
- Air carrier
- Aircraft
- N583AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35681
- Aircraft time
- 50,161 hours, 14,644 cycles
- System (JASC)
- 7220 · Turbine Engine Air Inlet Section
- Part
- Blade
- Part number
- 3400010260
- Condition
- Damaged
- Location
- #1 Engine
- 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.