What was found
WHILE ACCOMPLISHING T/C 78472010 NR 1 ENGINE NR 14 FAN BLADE HAS DAMAGE CU-NI COATING REQUIRES REPLACEMENT, AS WELL AS, PAIR BLADE NR 2. GROUNDED-YES. REMOVED AND REPLACED FAN BLADE NR 14 & NR 2, REF T/C 78472010.
- Difficulty date
- November 29, 2020
- Submitted
- December 1, 2020
- Operation
- Air carrier
- Aircraft
- N481AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44106
- Aircraft time
- 20,178 hours, 6,443 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7220 · Turbine Engine Air Inlet Section
- Part
- Blade
- Part number
- 3400010360
- Condition
- Damaged
- Location
- Nr 2 Engine Fan
- 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.