As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DUE TO HORIZONTAL STABILIZER BACKLASH FAILURE, SCORING DAMAGE FOUND ON LH FITTING HINGE LINE (PIVOT) ASSY IB FACE LUG REAR SPAR AREA PN: 170-62480-403. MUST BE INSTRUCTIONS REPAIR REQUIRED. AT LH HINGE FITTING PIVOT ASSY, IB FACE OF LUG FITTING REWORKED AS A TEMPORARY REPAIR IAW ETD2019-170-071866. THIS REPAIR IS CONSIDERED TEMPORARY AS IT WILL REQUIRE A DETAIL STRUCTURE ANALYSIS. CONSIDERED A MAJOR REPAIR.