As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT NOTICED LEFT ELEVATOR TRIM TAB LOOSE AND ROD BROKEN. INVESTIGATION REVEALED BUSHING AT TAB ATTACH SEIZED AND APPLIED SIDE LOAD ON PUSH ROD. ROD BROKE AT BOTTOM OF THREADS OF ADJUSTMENT END. FURTHER INVESTIGATION REVEALED ROD HAD EXISITNG CRACK APPROXIMATELY ONE-THIRD DIAMETER. INSTALLED NEW ROD ASSY AND FUNCTION CHECKED OK.