# SDR UPS09554461

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2009
- Submitted: February 3, 2009
- Operation: Air carrier
- Aircraft: [N452UP](https://openairdocs.org/aircraft/N452UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25473
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 3508806
- Part serial: MX542522
- Condition: Failed
- Location: Lt Engine
- 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/UPS09554461

## Discrepancy

INSPECTION TYPE:N/A LEFT EDP HYD LOW PRESS LIGHT ILLUM.  EICAS MSG DISPLAYED L HYD ENG PUMP.  EICAS MSG L HYD SYS MAINT WAS NOT DISPLAYED.  HYD QTY NORMAL.  POWER XFER UNIT STATUS MSG DISPLAYED.  REPLACED LT HYD EDP, CASE DRAIN FILTER, AND PRESSURE FILTER.  ACCOMPLISHED OPS CHECK GOOD.

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