As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH HORIZONTAL STABILIZER FORWARD ATTACH FITTING HAS CORROSION AT THE GUIDE PIN HOLE FOR THE TRIANGLE LEADING EDGE. (LOCATED INSIDE THE STABILIZER). REMOVED THE HORIZONTAL STABILIZER. DRESSED OUT THE CORROSION AND TREATED (ETCHED AND ALODYNED) PER THE CASA CORROSION CONTROL MANUAL SECTION 5, PARA 5.4, PG. 5-11 THRU 5-20, THEN PRIMED WITH SUPER KOROPON EPOXY PRIMER. REINSTALLED THE HORIZONTAL STABILIZER IAW THE CASA MM CH. 55-10-00.