# SDR UPS07551232

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 2, 2007
- Submitted: December 3, 2007
- Operation: Air carrier
- Aircraft: [N457UP](https://openairdocs.org/aircraft/N457UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25478
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Tube
- Condition: Leaking
- Location: Hyd System
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS07551232

## Discrepancy

APPROX 20 MINUTES AFTER DEPARTURE CREW INDICATED LOST LEFT HYDRAULIC SYSTEM AND WERE RETURNING BACK TO PTY.  DECLARED AN EMERGENCY.  INSPECTED AND FOUND TUBE PRESS ASSY BROKEN. REMOVED AND REPLACED TUBE PRESS ASSY AND ELBOW MOTORIZED ENGINE. NO LEAK NOTED. A/C BACK TO SERVICE. ALL THIS REMOVED ACCORDING TO MM 29-10-09-04.

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