# SDR ASAA2020090863148

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 6, 2020
- Submitted: September 9, 2020
- Operation: Air carrier
- Aircraft: [N492AS](https://openairdocs.org/aircraft/N492AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44110
- Aircraft time: 18,432 hours, 5,921 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Blade
- Part number: 3400010360
- Part serial: DM1227513
- Condition: Damaged
- Location: Nr 1 Engine Fan
- Part time: 18,442 hours, 5,923 cycles
- 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/ASAA2020090863148

## Discrepancy

NR 1 ENG ESN 862676 NR 1 FAN BLADE CONVEX SIDE CU NI IN COATING MISSING OUT OF LIMITS, REF MTC 78472010.  GROUNDED - YES.  REPLACED ENG NR 1 S/N 862676 NR 1 AND NR 13 FAN BLADES, AND INSTALLED PER T/C 78472010.

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