# SDR ASAA2021092936105

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2021
- Submitted: October 1, 2021
- Operation: Air carrier
- Aircraft: [N529AS](https://openairdocs.org/aircraft/N529AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35198
- Aircraft time: 40,780 hours, 12,020 cycles
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Blade
- Part number: 3400010260
- Part serial: DD869659P
- Condition: None
- Location: #1 Engine
- Part time: 44,604 hours, 3,642 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/ASAA2021092936105

## Discrepancy

PER T/C 78472010 #1 ENG FAN BLADE LUBE #14 FAN BLADE CU-NI-IN COATING IS MISSING BEYOND LIMITS. GROUNDED - YES. REMOVED AND REPLACED #14 FAN BLADE REF T/C 78472010.

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