Service difficulty report · Valve · Dorner DO328100

Difficulty date
February 26, 2002
Submitted
March 4, 2002
Operation
Air carrier
Aircraft
N438JS
Make and model
Dorner DO328100
Aircraft serial
3056
Aircraft time
16,617 hours, 14,701 cycles
Engine
Pwa PW119B
Propeller
Hartzl HDE6C3B
Part
Valve
Part number
AC69965
Part serial
083
Condition
Failed
Location
Park Brake
Part time
2,098 hours, 1,834 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

DURING CLIMBOUT, THE CREW RECEIVED A EMERGENCY PARKING BRAKE ACCUMULATOR BRAKE CAS MESSAGE. THE CREW FOLLOWED THE QUICK REFERENCE HANDBOOK AND LANDED AT THE NEAREST SUITABLE AIRPORT. OUTSTATION MAINTENANCE INSPECTED AND SERVICED THE MAIN SYSTEM PRECHARGE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 12-00-00. THE AIRCRAFT WAS THEN FERRIED TO CAK WHERE MAINTENANCE INSPECTED AND REPLACED THE EMERGENCY PARK BRAKE VALVE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 32-00-00. OPERATIONAL CHECKS WERE COMPLETE AND THE AIRCRAFT WAS RELEASED FOR SERVICE.