# SDR MALA954229

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 5, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N421MA](https://openairdocs.org/aircraft/N421MA), registered now
- Make and model: Swrngn SA227AC
- Aircraft serial: AC634
- System (JASC): [7714 · Engine RPM Indicating System](https://openairdocs.org/jasc/7714)
- Part: Rpm Gauge
- Condition: Malfunctioned
- Location: Lt
- Stage of operation: CR
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA954229

## Discrepancy

LNK - FLT 3222 - IN CRUISE, THE LT RPM GAUGE BEGAN TO FLUCTUATE.  NO OTHER ENGINE FLUCTUATIONS NOTED.  THE ACFT RETURNED TO MSP.  MAINTENANCE WAS UNABLE TO DUPLICATE THE DISCREPANCY.  THE SYSTEM OPERATED SATISFACTORILY DURING A TEST FLIGHT.  (W)

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