# SDR CA111116005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 2011
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Saab SF340A
- Registry model: [Saab SF340A](https://openairdocs.org/model/saab-scania-sf340a) (OpenAirDocs)
- Aircraft time: 56,202 hours
- Engine: Ge CT75A2
- Propeller: Rotol R3894123F26
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 4018502
- Condition: Intermittent
- Location: Hydraulic Sys
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA111116005

## Discrepancy

(CAN) ON APPROACH THE CREW RECEIVED A HYD PRESS INDICATION ADVISORY WHEN THE LG WAS SELECTED.  IAW CHECKLIST, THE LG WAS EXTENDED USING THE ALTERNATE SYS & ALL 3 GEAR INDICATED DOWN & LOCKED.  THE ACFT HYD PRESS & QTY WAS VERIFIED & THE ACFT LANDED WITHOUT INCIDENT.  AN INSPECTION OF THE ACFT WAS COMPLETED & IT WAS DETERMINED THAT THE PRESS FAULT WAS CAUSED BY AN INTERMITTENT HYD PUMP OPERATION.  THE HYD PUMP WAS REPLACED & ALL HYD RELATED SYSTEMS WERE VERIFIED FOR FULL OPERATION & INDICATION IAW THE MM.  THE ACFT WAS RELEASED BACK INTO SERVICE.

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