# SDR ASAA2015010110111

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 1, 2015
- Submitted: January 2, 2015
- Operation: Air carrier
- Aircraft: [N408AS](https://openairdocs.org/aircraft/N408AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41732
- Aircraft time: 8,089 hours, 2,548 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Vibration
- Location: Nr 2
- Stage of operation: IN
- How discovered: O
- Nature of condition: E
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015010110111

## Discrepancy

NR 2 ENGINE TREND DATA SHOWS GREATER THAN EXPECTED VIBRATION DATA SCATTER. INDICATION ERRORS ARE SUSPECTED.  ACFT  GROUNDED.  R & R NR 2 ENG IAW MM 71-51-03.  ACCOMPLISHED TEST 7 & 12 IAW MM 71-00-00-800-811-F00.  ALL TEST PASSED.

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