# SDR ASAA2021112136667

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 21, 2021
- Submitted: November 22, 2021
- Operation: Air carrier
- Aircraft: [N534AS](https://openairdocs.org/aircraft/N534AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35202
- Aircraft time: 41,051 hours, 11,707 cycles
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Blade
- Part number: 3400010260
- Part serial: DE805718H
- Condition: Damaged
- Location: #1 Engine
- Part time: 41,046 hours, 11,706 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021112136667

## Discrepancy

WHILE PERFORMING FAN BLADE LUBE ON THE #1 ENGINE MATED BLADES #10 AND 22 HAVE CHIPPED CU-NI-IN COATING OUTSIDE OF AREA X. REF B737-800 AMM 72-21-02-200-801-F00. GROUNDED - YES. REPLACED FAN BLADE #10 AND #22 ON ENG #1 REF T/C 78472010.

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