# SDR 04274421

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 30, 2004
- Submitted: October 1, 2004
- Operation: Air carrier
- Aircraft: N421FJ
- Make and model: Dorner DO328300
- Aircraft serial: 3179
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 42152
- Part serial: AE302
- Condition: Overtemp
- Location: Hyd System
- Stage of operation: DE
- How discovered: O
- Nature of condition: M, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/04274421

## Discrepancy

HYD PUMP-A OVERHEAT CAS MESSAGE ON DESCENT.  THEREFORE EMERGENCY LANDING GEAR EXTENSION.  MX REMOVED AND REPLACED HYDRAULIC A-PUMP IAW JIC 29-11-04 OPS CHECK & LEAK CHECK GOOD.  RESET GEAR EMERGENCY EXTENSION IAW JIC 32-31-00.

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