What was found
(CAN) DURING HYD PUMP REPLACEMENT EXCESSIVE AMOUNT OF OIL WAS PUMPED WHEN INLET LINE TO HYD PUMP DISCONNECTED. FURTHER INVESTIGATION FOUND THE FIREWALL S/O VALVE DID NOT CLOSE WHEN SELECTED. DIODE D101 FAILED. PARTS REPLACED.
- Difficulty date
- May 6, 2000
- Submitted
- June 23, 2000
- Operation
- Air carrier
- Make and model
- Lear 45LEAR
- Aircraft time
- 60 hours
- System (JASC)
- 2910 · Hydraulic System, Main
- Part
- Shutoff Valve
- Part number
- 5918891
- Condition
- Failed
- Location
- Fuel System
- Component
- Hydraulic Main S
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.