# SDR CALA2015071700579

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 2015
- Submitted: July 17, 2015
- Operation: Air carrier
- Aircraft: [N17104](https://openairdocs.org/aircraft/N17104), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27294
- Aircraft time: 79,634 hours, 19,591 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: AE7095661
- Part serial: 0372
- Condition: Failed
- Location: Nr 1 Engine
- Stage of operation: CR
- 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/CALA2015071700579

## Discrepancy

DURING CLIMB FROM FL360 TO FL380, LT HYD QTY WENT FROM FULL TO ZERO WITHIN A SECOND.  COMPLETED QRH CHECKLIST.  ON ARRIVAL, FLEW APP & LOST PTU, NORMAL LANDING.  R & R NR 1 EDP HYD & HOSE PN AE709566-1 IAW MM 29-11-05.  OPERATIONS & LEAK CHECKED GOOD.

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