# SDR ASAA2017011419384

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 14, 2017
- Submitted: January 18, 2017
- Operation: Air carrier
- Aircraft: [N483AS](https://openairdocs.org/aircraft/N483AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36350
- Aircraft time: 5,444 hours, 1,841 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Shim
- Part number: 3402523070
- Condition: Worn
- Location: Engine
- 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/ASAA2017011419384

## Discrepancy

PER TASK CARD 78472002, REPLACEMENT OF FAN BLADE SHIMS (24) TWENTY-FOUR REQUIRED. GROUNDED - YES. REMOVED AND REPLACED (24)TWENTY FOUR SHIMS PER MAINTENANCE TASK CARD 78472002 STEP 23, WITH P/N 340-252-307-0.

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