# SDR ASAA2020120733659

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 2020
- Submitted: December 10, 2020
- Operation: Air carrier
- Aircraft: [N565AS](https://openairdocs.org/aircraft/N565AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 52,349 hours, 15,670 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Blade
- Part number: 3400010260
- Part serial: DE1941645
- Condition: Damaged
- Location: Nr 2 Engine Fan
- Part time: 18,267 hours, 12,029 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020120733659

## Discrepancy

PER T/C 78472010 NR 2 FAN BLADE LUBE NR 23 BLADE CU-NI-IN COATING IS MISSING BEYOND LIMITS.  GROUNDED-YES.  ACCOMPLISHED UTI, PER CFM56-7B SERVICE MANUAL SUPPLEMENT 72-21-02.  NO DEFECTS NOTED.  INSTALLED NEW FAN BLADES IN APPICABLE LOCATIONS PER TC NR 78472010.

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