# SDR CALA2014010990119

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 5, 2014
- Submitted: January 9, 2014
- Operation: Air carrier
- Aircraft: [N773UA](https://openairdocs.org/aircraft/N773UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26929
- Aircraft time: 74,578 hours, 13,999 cycles
- Engine: Pwa PW4077
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Coupling
- Condition: Defective
- Location: Hydraulic Sys
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2014010990119

## Discrepancy

RT HYD PRIMARY PUMP OVERHEAT OR RT PRIMARY PUMP OUTPUT PRESS LOW WHEN COMMANDED ON.  ACCOMPLISHED FIM TASK 29- 11-867, REPLACED EDP IAW MM 29-11-05 PG 401 & FAULT STILL EXISTS.  REPLACED EDP SUPPLY SELF-SEALING COUPLING IAW MM 29-11-05 & MESSAGE NOT ACTIVE & PUMP OPERATIONS NORMAL.

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