What was found
GEAR DISAGREE WARNING AFTER TAKE OFF. NR 1 AND 2 HYD NORMAL, NR 3 HYD HAD 90 PERCENT AND 3200 PSI. LOUD THUMPING AND SHAKING. ALL RETURNED TO NORMAL ONCE GEAR DOWN IAW QRH. R & R LANDING GEAR PRIORITY VALVE.
- Difficulty date
- November 3, 2011
- Submitted
- November 18, 2011
- Operation
- Air carrier
- Aircraft
- N420AW
- Make and model
- Cndair CL6002B19
- Aircraft serial
- 7640
- Aircraft time
- 22,558 hours, 21,357 cycles
- System (JASC)
- 3230 · Landing Gear Retraction/Extension System
- Part
- Priority Valve
- Part number
- 46193
- Part serial
- 1283B
- Condition
- Failed
- Location
- Landing Gear
- Part time
- 22,558 hours, 21,357 cycles
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- E, J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.