What was found
WHEN ATTEMPTING TO DUMP FUEL, RT DUMP VALVE WOULD NOT OPEN WITH PRIMARY OR SECONDARY SELECTED. CLEANED C/P AT RT FUEL JETTISON VALVE ACTUATOR. SECONDARY SYS CHECK'S OK IAW 28-31-00. PRIMARY DEFERRED IAW MEL 28-31-02 CAT-C.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHEN ATTEMPTING TO DUMP FUEL, RT DUMP VALVE WOULD NOT OPEN WITH PRIMARY OR SECONDARY SELECTED. CLEANED C/P AT RT FUEL JETTISON VALVE ACTUATOR. SECONDARY SYS CHECK'S OK IAW 28-31-00. PRIMARY DEFERRED IAW MEL 28-31-02 CAT-C.