What was found
PER T/C 78472010 NR 2 ENGINE FAN LUBE, NR 23 FAN BLADE CU-NI COATING MISSING BEYOND LIMITS CONCAVE SIDE. GROUNDED-YES. REPLACED NR 23 FAN BLADE AND ITS PAIR NR 11, ON NR 2 ENGINE, PER B737-900 AMM 72--21-02-00-200-802 & T/C 7847210.
- Difficulty date
- October 18, 2020
- Submitted
- October 20, 2020
- Operation
- Air carrier
- Aircraft
- N408AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41732
- Aircraft time
- 29,159 hours, 9,368 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7220 · Turbine Engine Air Inlet Section
- Part
- Blade
- Part number
- 3400010380
- Part serial
- DD869035K
- Condition
- Damaged
- Location
- Nr 2 Eng Fan
- Part time
- 20,419 hours, 12,857 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.