What was found
THE FRONT SPAR WEB AND LOWER SKIN OF THE RT HORIZONTAL STABILIZER WERE FOUND GOUGED AND DENTED FROM A BUCKING BAR LEFT INSIDE THE STAB BOX DURING ASSEMBLY. THE DAMAGED AREA OF SPAR WEB WAS CUT OUT AND A NEW SECTION SPLICED IN WITH ALUMINUM SPLICE STRAPS. THE DAMAGED AREA OF SKIN WAS CUT OUT AND REPAIRED WITH AN ALUMINUM DOUBLER. THE REPAIRS WERE ACCOMPLISHED PER ER/A 366841-14, REV A.