What was found
BRAKE & ANTI-SKID MESSAGES ON TAXI. THE DISCREPANCY WAS DIAGNOSED AS A FAILED TWO PORT MOTOR OPERATED HYDRAULIC VALVE ASSY. REPLACED PARK VALVE, AND THE MESSAGE CLEARED.
- Difficulty date
- September 7, 2006
- Submitted
- September 12, 2006
- Operation
- Air carrier
- Aircraft
- N540UA
- Make and model
- Boeing 757222
- Aircraft serial
- 25252
- Aircraft time
- 50,431 hours, 18,484 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 2910 · Hydraulic System, Main
- Part
- Valve
- Part number
- 3415251
- Condition
- Failed
- Location
- Hyd System
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.