# SDR AALA20161228026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2016
- Submitted: December 28, 2016
- Operation: Air carrier
- Aircraft: [N917NN](https://openairdocs.org/aircraft/N917NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29572
- Aircraft time: 11,358 hours, 4,457 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line
- Condition: Leaking
- Location: Hydraulic Sys
- Stage of operation: CL
- 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/AALA20161228026

## Discrepancy

RT ENGINE LOW PRESSURE HYD PUMP LIGHT ON DURING CLIMB. RT ELECTRIC PUMP LOW PRESSURE LIGHT WITH COMPLETE LOSS OF SYST B HYD PRESSURED FLUID. EMERGENCY DECLARED, RETURNED TO DEPARTURE, AND LANDED WITHOUT FURTHER INCIDENT. THE AIRCRAFT WAS GROUNDED. REPLACED HYDRAULIC SYSTEM B ENGINE DRIVEN HYDRAULIC PUMP PRESSURE LINE.

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