# SDR MTN2008F00002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 3, 2008
- Submitted: July 23, 2008
- Operation: Air carrier
- Aircraft: [N907FX](https://openairdocs.org/aircraft/N907FX), registered now
- Make and model: Aerosp ATR 42-320
- Registry model: [Aerosp ATR 42-320](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-320) (OpenAirDocs)
- Aircraft serial: 286
- Engine: Pwa PW121
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 4019501
- Condition: Inoperative
- Location: Hyd System
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MTN2008F00002

## Discrepancy

AFTER DEPARTURE, THE BLUE HYDR SYS PRESSURE WENT TO -0-PSI.  THE FLAPS WOULD NOT RETRACT, AFTER COMPLETING THE APPROPRIATE CHECKLIST, THE CREW DECIDED TO RETURN TO DEPARTURE.  AFTER TROUBLESHOOTING THE MECHANIC FOUND A BAD HYDR PUMP.  (K)

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