What was found
DURING A FAN BLADE LUBRICATION ON THE NR 2 ENGINE. FOUND THE NR 3 BLADE CU-NI-IN COATING MISSING BEYOND LIMITS. ACFT GROUNDED. REMOVED AND REPLACED THE NR 3 AND 15 FAN BLADES IAW T/C 78472002.
- Difficulty date
- May 15, 2018
- Submitted
- May 16, 2018
- Operation
- Air carrier
- Aircraft
- N587AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35684
- Aircraft time
- 40,476 hours, 11,795 cycles
- Engine
- Cfmint CFM567B27B3
- System (JASC)
- 7220 · Turbine Engine Air Inlet Section
- Part
- Blade
- Part number
- 3400010260
- Part serial
- DC972319G
- Condition
- Damaged
- Location
- Nr 2 Engine
- Part time
- 25,612 hours, 9,056 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.