What was found
REF ASA T/C 78472000 #1 ENG S/N 862434 FRONT SPINNER CONE MISSING OVER 50% OF WHITE SPIRAL SHAPED MARK. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE FRONT SPINNER CONE REF B737-900 AMM 72-21-01.
- Difficulty date
- April 6, 2023
- Submitted
- April 14, 2023
- Operation
- Air carrier
- Aircraft
- N486AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44107
- Aircraft time
- 28,074 hours, 8,819 cycles
- System (JASC)
- 7220 · Turbine Engine Air Inlet Section
- Part
- Spinner
- Part number
- 3370051180
- Condition
- Damaged
- Location
- Nr 1 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.