# SDR ASAA2022011637178

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 16, 2022
- Submitted: January 19, 2022
- Operation: Air carrier
- Aircraft: [N581AS](https://openairdocs.org/aircraft/N581AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35188
- Aircraft time: 51,792 hours, 15,382 cycles
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Blade
- Part number: 3400010260
- Condition: Nicked
- 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/ASAA2022011637178

## Discrepancy

PER T/C 78472010 #1 ENGINE FAN BLADE LUBE, FAN BLADE #16 HAS A NICK AT AREA T ON CONCAVE SIDE. GROUNDED - YES. MEASURED ADAMAGE AREA USING STARLITE SMARTSCOPE WITH REPO RUBBER METHOD...DEPTH MEASURE AT .005" IN BEYOND THE LIMITS .004" IN. REF B737-800 AMM 72-21-02-200-801- F00. INSTALLED SERVICEABLE FAN BLADES #1 ENGINE POSITIONS 16 AND 4 REF T/C 78472010.

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