# SDR ASAA2021010733830

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2021
- Submitted: January 8, 2021
- Operation: Air carrier
- Aircraft: [N471AS](https://openairdocs.org/aircraft/N471AS), registered now
- 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](https://openairdocs.org/jasc/7220)
- 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
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021010733830

## Discrepancy

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.

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