As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HOUSING CRACKED IN PORT NR 1 WHILE APPLYING PRESSURE DURING TESTING. HOUSING HAD LIQUID PENETRANT INSPECTION ACCOMPLISHED PRIOR TO TESTING, WITH NO DEFECTS NOTED. MATERIAL THICKNESS OF PORT NR 1 IS THIN. FATIGUE AND POSSIBLY THE INSTALLATION AND TORQUING OF THE FITTING COULD CONTRIBUTE OVER A PERIOD OF TIME.