# SDR ASAA2017080421543

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2017
- Submitted: August 7, 2017
- Operation: Air carrier
- Aircraft: [N566AS](https://openairdocs.org/aircraft/N566AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35182
- Aircraft time: 40,566 hours, 12,142 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Blade
- Part number: 3401613040
- Condition: Damaged
- Location: Nr 1 Eng Fan
- 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/ASAA2017080421543

## Discrepancy

REF TASK 78472002 #1 ENG FOUND DAMAGE CU-NI-IN CONCAVE SIDE BLADES 3,6,7,14 AND CONVEXE SIDE BLADE 2 GREATER THAN AREA "X" WITH NO WEAR ON BASE MATERIAL, DOVE TAIL PRESSURE FACE REF B737-800 AMM 72-21-02-200-801-F000 STEP 2K(1)(C). GROUNDED - YES. REMOVED AND REPLACED ALL 24 FAN BLADES AND ALL 24 SHIMS (COMPLETE SETS) ON #1 ENG REF B737-800 AMM 72-21-02-900-801-F00. PLT CLEARED.

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