# SDR ASAA2016122619166

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 2016
- Submitted: December 28, 2016
- Operation: Air carrier
- Aircraft: [N577AS](https://openairdocs.org/aircraft/N577AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35186
- Aircraft time: 37,373 hours, 11,099 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Shim
- Condition: Lack Of Lube
- Location: Nr 2 Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016122619166

## Discrepancy

RIGHT ENGINE HAD A CONSISTENT VIBRATION READING OF BETWEEN 2.0-2.4 UNITS DURING CRUISE FLIGHT.  ACFT GROUNDED.  COMPLETED FAN BLADE LUBE IAW T/C 78472002.  ALL PLATFORMS AND SHIMS WERE REPLACED. VIBRATION LEVELS WITHIN LIMITS.

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