# SDR ASAA2021120436806

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2021
- Submitted: December 7, 2021
- Operation: Air carrier
- Aircraft: [N583AS](https://openairdocs.org/aircraft/N583AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35681
- Aircraft time: 50,161 hours, 14,644 cycles
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Blade
- Part number: 3400010260
- Condition: Damaged
- Location: #1 Engine
- 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/ASAA2021120436806

## Discrepancy

WHILE ACCOMPLISHING T/C 78472010 FOUND BLADES 13,9,2,8,18,5,21 ON ENGINE #1 TO HAVE DAMAGE TO THE COATING THAT IS OUT OF LIMITS. GROUNDED - YES. REPLACED #1 ENGINE BLADES 1,2,5,6,8,9,13,14,18 AND 21 REF T/ 78472010.

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