# SDR ASAA2022012037208

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 20, 2022
- Submitted: January 22, 2022
- Operation: Air carrier
- Aircraft: [N402AS](https://openairdocs.org/aircraft/N402AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41189
- Aircraft time: 34,186 hours, 10,982 cycles
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Blade
- Part number: 3400010360
- Part serial: DM0653304
- Condition: Damaged
- Location: #1 Engine
- Part time: 34,186 hours, 10,982 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/ASAA2022012037208

## Discrepancy

PER TC 78472010 #1 ENGINE FAN BLADE LUBE #17 FAN BLADE CU-NI-IN COATING MISSING BEYOND LIMITS ON CV SIDE. GROUNDED - YES. REPLACED #1 ENGINE FAN BLADE #17 AND #5 REF T/C 78472010.

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