# SDR ASAA2017090321807

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 2017
- Submitted: September 5, 2017
- Operation: Air carrier
- Aircraft: [N493AS](https://openairdocs.org/aircraft/N493AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41727
- Aircraft time: 5,434 hours, 1,839 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Shim
- Part number: 3402523070
- Condition: Worn
- Location: Nr 2 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/ASAA2017090321807

## Discrepancy

NR 2 ENGINE FAN BLADE SHIMS MISSING 25% OR GREATER COATING, QTY 24. GROUNDED - YES. REPLACED FAN BLADE SHIMS, QTY 24, ON NR 2 ENGINE REF T/C 78472002.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.