# SDR CA180616003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2018
- Submitted: August 18, 2020
- Operation: General aviation
- Make and model: Vikair DHC6400
- Engine: Pwa PT6A34
- System (JASC): [2927 · Hydraulic Pressure Regulator, Auxiliary](https://openairdocs.org/jasc/2927)
- Part: Pressure Switch
- Part number: C6MK23131
- Condition: Fluctuates
- Location: Hyd System
- Part time: 2,111 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA180616003

## Discrepancy

(CAN) HYDRAULIC PRESSURE SWITCH PRE MOD 6/2313 DROPS TO 1220 PSI.  OUTSIDE THE PERMISSIBLE LIMIT, SWITCH OPENS AT INCONSISTENT PRESSURES IN 1480, 1520,1500 PSI`S ATA 29-00.  (TC# 20180616003)

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