# SDR XPTA2017010400002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 2016
- Submitted: January 5, 2017
- Operation: Air carrier
- Aircraft: N112WJ
- Make and model: Gulstm GIV
- Aircraft serial: 1112
- Aircraft time: 16,214 hours, 6,219 cycles
- System (JASC): [2920 · Hydraulic System, Auxiliary](https://openairdocs.org/jasc/2920)
- Part: Shutoff Valve
- Part number: 3846
- Part serial: 638A
- Condition: Malfunctioned
- Location: Hydraulic Sys
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/XPTA2017010400002

## Discrepancy

HYDRAULIC UTILITY PUMP SHUTOFF VALVE SOLENOID WOULD NOT DE-ENERGIZE. BROUGHT AIRCRAFT IN FOR MAINTENANCE. REPLACED UNIT WITH OVERHAULED UNIT P/N 3846 (1159SCH217-5), S/N 638A. UNIT STAYED OPEN AND WOULD POP THE CIRCUIT BREAKER. RETURNED UNIT FOR EXCHANGE.

---
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.
