What was found
ON C-CHECK, FWD SIDE BS 1183 VERTICAL BEAM LBL 26.83 WL 268 HAS A VISUAL CRACK TOP SIDE OF THE LIGHTENING HOLE (MARKED) REP MPRGAA1A53001 S/B 727-53AO173. AD 85-20-03. REMOVED FASTENERS ON VERTICAL BEAM STA 1183 BULKHEAD BL 2683, REMOVED STIFFENER TEES AT WL 253 X 263, IAW BOEING S/B 727-53-0182 FIG 2.