As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ACCOMPLISHING THE REQUIRED ELEVATOR MODS PER AD 2003-03-22, A CLEVIS FITTING ATTACH HOLE WAS COUNTERSUNK ON THE WRONG SURFACE OF THE MATING STRUCTURE. THE HOLE WAS OVERSIZED TO REMOVE THE MAJORITY OF THE COUNTERSINK AND AN OVERSIZE FASTENER INSTALLED WITH A CORRECT COUNTERSINK. THE WORK WAS ACCOMPLISHED PER ER/A 384741-14AD.