Service difficulty report · Valve · Dorner DO328100

Difficulty date
November 20, 2002
Submitted
November 22, 2002
Operation
Air carrier
Aircraft
N472PS
Make and model
Dorner DO328100
Aircraft serial
3008
Aircraft time
18,146 hours, 22,158 cycles
Engine
Pwa PW119B
Propeller
Hartzl HDE6C3B
Part
Valve
Part number
AC69965
Part serial
052
Condition
Failed
Location
Parking Brake
Part time
15,438 hours, 13,958 cycles
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

EN ROUTE, THE CREW RECEIVED AN EMERGENCY BRAKE ACCUMULATOR CAS MESSAGE AND RESET IT TWO TIMES. ON THE THIRD OCCURRENCE THE CREW FOLLOWED THE QUICK REFERENCE HANDBOOK AND CONTACTED MAINTENANCE CONTROL AND THE DECISION WAS MADE TO DIVERT TO PIT. MAINTENANCE INSPECTED AND REPLACED THE EMERGENCY PARKING BRAKE VALVE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.