What was found
VERTICAL STABILIZER REAR SPAR Z-ANGLE FOR ACCESS PANEL 6404A IS CHAFED THROUGH AT FASTENER HOLE. REMOVED DAMAGED ANGLE. RECEIVED REPAIR MATERIAL. FABRICATED, DRILLED, FITTED, TREAT & PRIME & INSTALLED IAW DC-9 SRM 51-70-5, 51-10-3, 51-30-5 & 51-31-0.