# SDR FDEA201307191584

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 2013
- Submitted: July 19, 2013
- Operation: Air carrier
- Aircraft: [N529FE](https://openairdocs.org/aircraft/N529FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48624
- Aircraft time: 42,703 hours, 8,566 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Pump
- Part number: 3508806
- Part serial: MX551885
- Condition: Failed
- Location: Hyd System
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201307191584

## Discrepancy

HYD 1 OFF ALERT,  TWO HOURS INTO FLT AT F360, SYS PRESSURE 40 PSI (AFTER ISOLATED), 39 DEGREES AND 8.6 GAL AT RESERVOIR, 30 MINUTES LATER QTY 0.3, HYD 1 FAIL ALERT.  PUMPS SHUTOFF TWO HRS INTO FLT AND DIDN'T COME BACK ON.  R & R NR 1 ENG DRIVEN HYD PUMP ASSY IAW MM 29-11-20-4-2.  SOLENOID VALVE HAD DAMAGE ELEC RECEPTACLE,  IAW MM 29-11-21-4.  DRY MOTORED,  LEAK CHECKED GOOD.  R & R HYD FILTERS REF AMM 29-12-41-2.  LEAK CHECKED GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
