What was found
WHILE ACCOMPLISHING FAN BLADE LUBE ON NR 2 ENGINE, FOUND NOSE CONE WHITE SPIRAL WORN MORE THAN 50%. GROUNDED-YES. REMOVED AND REPLACED ENGINE NR 2 NOSE CONE, REF TC 78472010 FOR WORK ACCOMPLISHED.
- Difficulty date
- January 7, 2021
- Submitted
- January 8, 2021
- Operation
- Air carrier
- Aircraft
- N471AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41703
- Aircraft time
- 23,820 hours, 7,605 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7220 · Turbine Engine Air Inlet Section
- Part
- Spinner
- Part number
- 3370051180
- Condition
- Worn
- Location
- Nr 2 Engine
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.