As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AIRCRAFT WAS IN FOR HEAVY CHECK LEVEL 2 CORROSION WAS FOUND ON THE LT HORIZONTAL STABILIZER HINGE FITTING INTERNAL PIN. MAINT REMOVE AND REPLACE LEFT HORIZONTAL STABILIZER HINGE FITTING INTERNAL PIN IAW 170AMM 27-41-03. AIRCRAFT REMAINS IN CMH HEAVY CHECK FOR COMPLETION.