What was found
REPAIRED CORRODED AREA ON THE LT FWD VERTICAL STABILIZER SPAR CAP, WHERE ACCESS PANEL 340ATC ATTACHES, BY BLENDING, TRIMMING SPAR WEB AND CHAMFERING THE SPAR CAP, TREATING AND PRIMING IAW FIELD REPAIR FR-560-5568-4523 REVISION (-) APPROVED BY FAA FORM 8100-9 DATED 13 SEP 2018.