What was found
NR 2 ENGINE FRONT SPINNER CONE APPEARS TO HAVE MORE THAN 50% OF BLACK EROSION COATING MISSING. GROUNDED - YES. REPLACED NR 2 ENGINE FRONT SPINNER CONE, REF AMM 72-21-01-400-801-F00 STEPS 3F(5) - 3G(3).
- Difficulty date
- March 30, 2017
- Submitted
- April 3, 2017
- Operation
- Air carrier
- Aircraft
- N481AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44106
- Aircraft time
- 6,630 hours, 2,233 cycles
- System (JASC)
- 7220 · Turbine Engine Air Inlet Section
- Part
- Spinner
- Part number
- 3370051180
- Condition
- Eroded
- Location
- Nr 2 Engine
- 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.