# SDR IPXA2017111423583

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 2017
- Submitted: November 15, 2017
- Operation: Air carrier
- Aircraft: [N327UP](https://openairdocs.org/aircraft/N327UP), registered now
- Make and model: Boeing 767-34AF
- Registry model: [Boeing 767-34AF](https://openairdocs.org/model/boeing-767-34af) (OpenAirDocs)
- Aircraft serial: 27753
- Aircraft time: 50,622 hours, 16,333 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Valve
- Condition: Stuck
- Location: Hyd System
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2017111423583

## Discrepancy

HYD PUMP AND ADP SHOW NO HYD PRESSURE WHILE RUNNING.  FOUND ISOLATED ACMP PRESSURE VALVE STUCK.   R & R THE VALVE IAW MM 29-11-08 AND RELAY K1 PANEL M1216. IAW STANDARD WIRE PRACTICES MANUAL 20-81-22.  CLOSED THE VALVE PREVENTED PRESSURE TO GET TO PRESSURE SWITCH.  SYSTEM CHECKED OK.

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