# SDR DL757953651

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N666DN](https://openairdocs.org/aircraft/N666DN), registered now
- Make and model: Boeing 757232
- Aircraft serial: 25034
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Condition: Failed
- Location: Hyd System
- Component: 731966
- Stage of operation: TX
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL757953651

## Discrepancy

PRIOR TO TAKEOFF, ELECTRICAL PUMP OVERHEAT LIGHT ILLUMINATED, FOLLOWED BY A LOSS OF ALL LEFT HYD QUANTITY.  MAINTENANCE INSPECTION FOUND FLUID LEAKING OUT OF PUMP SPLINE DRAIN.  THE FLUID LEAKED INTO ELECTRICAL PORTION OF PUMP AND NOTICED ARCING AND A BURNING SMELL.  PUMP WAS REPLACED, OPERATION NORMAL.

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