# SDR 7C7A2016090900254

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2016
- Submitted: September 9, 2016
- Operation: Air carrier
- Aircraft: [N891EA](https://openairdocs.org/aircraft/N891EA), registered now
- Make and model: Dhav DHC8106
- Aircraft serial: 335
- Aircraft time: 44,160 hours, 47,437 cycles
- Propeller: Hamstd 14SF7
- System (JASC): [6113 · Propeller Spinner Section](https://openairdocs.org/jasc/6113)
- Part: Actuator
- Part number: 7901803
- Part serial: 910810
- Condition: Damaged
- Location: Propeller
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/7C7A2016090900254

## Discrepancy

NR 1 ENGINE OIL PRESSURE DROPPED BELOW 40 PSI AND THE NR 1 ENGINE WAS SHUTDOWN.  R & R THE NR 1 PROPELLER ACTUATOR DUE TO DOME PISTON SEALING SURFACE DAMAGED IAW CMM 61-13-02.

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