# SDR DATA2018053101

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 31, 2018
- Submitted: June 4, 2018
- Operation: Air carrier
- Aircraft: [N385MQ](https://openairdocs.org/aircraft/N385MQ), registered now
- Make and model: Stbros SD360
- Aircraft serial: SH3707
- Aircraft time: 24,294 hours, 32,408 cycles
- System (JASC): [7714 · Engine RPM Indicating System](https://openairdocs.org/jasc/7714)
- Part: Indicator
- Part number: 224917012
- Part serial: 236
- Condition: Faulty
- Location: Engine Rpm
- Stage of operation: CR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DATA2018053101

## Discrepancy

AFTER DEPARTURE, LEVELED OFF AT 7500. LEFT ENGINE RPM STARTED TO DECREASE. TORQUE, NG AND ITT REMAINED STEADY.  PERFORMED A PRECAUTIONARY SHUTDOWN AND SECURED THE ENGINE. DECIDED TO RELIGHT THE ENGINE. AFTER RELIGHT, THE ENGINE WAS NORMAL FOR 5 SECONDS AT WHICH TIME RPM BEGAN TO DECREASE AGAIN. ENGINE SHUTDOWN AND SECURED ONCE AGAIN. FLEW BACK TO DEPARTURE AND DECLARED AN EMERGENCY. LANDED WITHOUT FURTHER INCIDENT.

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