What was found
DURING M-CHECK, WHILE PERFORMING VTP MOD INSPECTION, HOLE NR 73 UPPER SIDE WAS FOUND OUT OF LIMITS EDGE MARGIN AT FR 86, STRINGER R2B LT SIDE OF VERTICAL STABILIZER. INSTALLED REINFORCEMENT DOUBLER AND SHIM AT FRAME 86, STRINGER 2B LT SIDE OF VERTICAL STABILIZER IAW ER/A 543310-14AD.