As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON REINSTALLATION OF FUEL STRAINER AFTER INSPECTION, STANDPIPE THREADS FATIGUED. FAILED WHEN STANDPIPE WAS TIGHTENED. INSPECTION REVEALED ONLY 1.5 TO 2 TURNS ENGAGEMENT THREADS, DO NOT GO UP TO THE TOP OF STANDPIPE AS IN 182 T MODELS WE THINK THIS IS A SAFETY ISSUE. (AD SHOULD BE ISSUED)