What was found
(CAN) PILOTS CHECKED FOR BRAKE PRESSURE DURING CRUISE FLIGHT AT 33,000 FEET. BRAKES WERE VERY SOFT. PARKING BRAKE VALVE FOUND TO HAVE LEAKING O-RINGS. SEALS REPLACED.
- Difficulty date
- May 8, 2000
- Submitted
- June 23, 2000
- Operation
- General aviation
- Make and model
- Piper PA42
- Aircraft time
- 4,178 hours
- Engine
- Pwa PT6A41
- System (JASC)
- 3243 · Master Cylinder/Brake Valve
- Part
- Valve
- Part number
- 492152
- Condition
- Failed
- Location
- Parking Brake
- Part time
- 48,090 hours, 48,070 cycles
- Component
- Landing Gear Bra
- Stage of operation
- CR
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.