# SDR USA2008F00009

- 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, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USA2008F00009

## 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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