What was found
THE AIRCRAFT WAS DETERMINED TO HAVE LEAKING THERMAL RELIEF VALVE. ORDERED REPLACEMENT PART. RECEIVED 4 EACH NEW RELIEF VALVES. ALL 4 EACH LEAKED. SUBMITTER SUSPECTS SPRING IS WEAK OR POOR FIT OF PISTON.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
THE AIRCRAFT WAS DETERMINED TO HAVE LEAKING THERMAL RELIEF VALVE. ORDERED REPLACEMENT PART. RECEIVED 4 EACH NEW RELIEF VALVES. ALL 4 EACH LEAKED. SUBMITTER SUSPECTS SPRING IS WEAK OR POOR FIT OF PISTON.