As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE DUAL DISTRIBUTOR VALVE WAS SENT IN FOR FUNCTIONAL TEST. IT WAS REMOVED FROM A DAMAGED AIRCRAFT. FUNCTIONALLY TESTED THE VALVE, IT WOULD NOT HOLD PRESSURE AND THE SIGNALING SYSTEM IS INTERMITTENT. THE VALVE WAS DISASSEMBLED AND REPAIRED.