# SDR USA2008F00010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 12, 2008
- Submitted: August 5, 2008
- Operation: Air carrier
- Aircraft: N942UW
- Make and model: Boeing 757-2B7
- Registry model: [Boeing 757-2B7](https://openairdocs.org/model/boeing-757-2b7) (OpenAirDocs)
- Aircraft serial: 27807
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Drain
- Part number: LJ38085
- Condition: Cracked
- Location: Hydraulic Sys
- Stage of operation: DE
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USA2008F00010

## Discrepancy

PHL FLT 723 - EN ROUTE DUB TO PHL.  DURING DESCENT INTO PHL, THE LT HYDRAULIC SYSTEM QUANTITY DECREASED TO ZERO AND THE SYSTEM PRESSURE LIGHT ILLUMINATED.  ALSO, EICAS MESSAGE "G L HYD SYS PRESS" DISPLAYED.  THE FLIGHT LANDED SAFELY AND WAS ABLE TO TAXI OFF THE RUNWAY, BUT WAS TOWED TO THE GATE.  MAINTENANCE REPLACED A HYDRAULIC DRAIN TUBE.  SYSTEM OPERATIONALLY AND LEAK CHECKS OK.  (A)

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