As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 1 - LAX - RIGHT DUMP VALVE DID NOT OPEN DURING DUMP OPERATION. COMPLIED WITH AFM AND VALVE DID NOT OPEN. AIRCRAFT HAD ABORTED FLIGHT WITH STRONG ODOR IN CABIN AND COCKPIT. CHECKED AND REPLACED RIGHT FUEL DUMP VALVE ACT. ACCOMPLISHED REQUIRED GROUND OPS CHECK, AS PER MM. RIGHT F/DUMP VALVE GROUND OPS CHECK NORMAL. (M)