What was found
(CAN) HYDRAULIC POWER STAYED ON WHEN GEAR WAS SELECTED DOWN. FOUND WHEN CESSNA HAD INSTALLED SB 550-32-40 REV.3. THEY DID NOT INSTALL DIODE CAUSING POWER FEEDBACK AND HYDRAULIC CENTRE VALVE STAYING CLOSED.
- Difficulty date
- March 8, 2002
- Submitted
- April 8, 2002
- Operation
- General aviation
- Make and model
- Cessna 550
- Engine
- Pwa PW530A
- System (JASC)
- 2997 · Hydraulic Power System Wiring
- Part
- Diode
- Part number
- S31064
- Condition
- Missing
- Location
- Hyd Valve
- Stage of operation
- AP
- How discovered
- O
- Nature of condition
- W, J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.