What was found
WHILE ACCOMP T/C 78472002, FOUND CU-NI - IN COATING ON BLADE 20 ON THE NR 1 ENGINE FAN, WORN OUT OF LIMITS. ACFT GROUNDED. REMOVED AND REPLACED THE BLADE PAIR IAW T/C 78472002 AND AMM 72-21-02.
- Difficulty date
- June 15, 2018
- Submitted
- June 18, 2018
- Operation
- Air carrier
- Aircraft
- N532AS
- Make and model
- Boeing 737890
- Aircraft serial
- 36346
- Aircraft time
- 31,208 hours, 9,310 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 7220 · Turbine Engine Air Inlet Section
- Part
- Blade
- Part number
- 3400010260
- Part serial
- DM016397W
- Condition
- Worn
- Location
- Nr 1 Engine
- Part time
- 31,207 hours, 9,309 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.