What was found
NR 20 FAN BLADE CU-NI-IN COATING BEYOND AREA. FOUND WHILE ACCOMPLISHING TC 78472002. ACFT GROUNDED. REMOVED AND REPLACED THE BLADE PAIR NR 8 & 20 IAW AMM 72-21-02-000-802-F00, AND T/C 78472002.
- Difficulty date
- April 25, 2018
- Submitted
- April 26, 2018
- Operation
- Air carrier
- Aircraft
- N535AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35200
- Aircraft time
- 28,533 hours, 8,324 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 7220 · Turbine Engine Air Inlet Section
- Part
- Blade
- Part number
- 3400010260
- Part serial
- DM018759
- Condition
- Damaged
- Location
- Nr 1 Engine Fan
- Part time
- 28,530 hours, 8,322 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.