What was found
VALVE ASSEMBLY PASSED LOW VOLUME LEAK CHECK AT 3000 PSI FOR 24 HOURS. DURING FILL PROCESS AT 1500 PSI THE VALVE SEPARATED FROM CYLINDER AT BOTTLE ADAPTER. THE CRACKED FITTING WAS MADE OF ALUM 7075-T6 OR 2024-T4. NEW FITTINGS MADE OF SUPERIOR MATERIAL 7075-T73 ARE NOW AVAILABLE AND ARE BEING SPECIFIED TO BE USED AS REPLACEMENT TO FITTINGS FOUND TO BE DEFECTIVE DURING SHOP CHECKS. THIS FITTING REPLACEMENT IS THE SUBJECT OF AIR CRUISERS SIL 25-181 REV-1.