# SDR ASAA2013011193644

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2013
- Submitted: January 12, 2013
- Operation: Air carrier
- Aircraft: [N584AS](https://openairdocs.org/aircraft/N584AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35682
- Aircraft time: 20,757 hours, 6,229 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Shim
- Part number: 3402523070
- Condition: Worn
- Location: Nr 1 Engine
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2013011193644

## Discrepancy

NR 1 ENGINE TREND DATA SHOWS A SUDDEN INCREASE IN LOW PRESSURE ROTOR VIBRATION LEVELS.   CHECKED INLET AND EXHAUST FOR EVIDENCE OF FOD IAW MM 71-00-00-800-802.  ACCOMPLISHED NR 1 ENGINE FAN LUBE IAW TASK CARD 78472002. INSPECTED ALL PLATFORM SEALS AND HARDWARE FOR IRREGULARITIES.  REPLACED ALL SHIMS NO OTHER DEFECTS NOTED.

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