# SDR ASAA201805164647

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2018
- Submitted: May 16, 2018
- Operation: Air carrier
- Aircraft: [N587AS](https://openairdocs.org/aircraft/N587AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35684
- Aircraft time: 40,476 hours, 11,795 cycles
- Engine: Cfmint CFM567B27B3
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Blade
- Part number: 3400010260
- Part serial: DC972319G
- Condition: Damaged
- Location: Nr 2 Engine
- Part time: 25,612 hours, 9,056 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/ASAA201805164647

## Discrepancy

DURING A FAN BLADE LUBRICATION ON THE NR 2 ENGINE. FOUND THE NR 3 BLADE CU-NI-IN COATING MISSING BEYOND LIMITS.  ACFT GROUNDED.  REMOVED AND REPLACED THE NR 3 AND 15 FAN BLADES  IAW T/C 78472002.

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