What was found
REF LOG PAGE 11986685 PER T/C 78472010 NR 1 ENGINE FAN LUBE NR 4 AND NR 16 BLADES CU-NI COATINGS BEYOND LIMITS ARE MISSING. GROUNDED - YES. REMOVED AND REPLACED FAN BLADES NR 4 AND NR 16 ON NR 1 ENG REF T/C 78472010.
- Difficulty date
- March 19, 2019
- Submitted
- March 20, 2019
- Operation
- Air carrier
- Aircraft
- N461AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36363
- Aircraft time
- 19,905 hours, 6,483 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7230 · Turbine Engine Compressor Section
- Part
- Blade
- Part number
- 3400010360
- Part serial
- DM0948827DM095
- Condition
- Worn
- Location
- Nr 1 Engine
- Part time
- 19,905 hours, 6,843 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.