What was found
DISCREPANCY: DURING C-CHECK AT KDHN FOUND FORWARD SIDE OF FRAME FORMER CRACKED AT FUSELAGE STATION FS 1086 AT LONGERON 28R. CORRECTIVE ACTION: COMMERCIAL JET STOP DRILLED CRACK AND VERIFIED CRACK CONTAINMENT VIA NDT. FABRICATED, DRILLED, DEBURRED, TREATED, PRIMED AND INSTALLED 2 EACH 0.0.20 REPAIR DOUBLERS IAW DC9 SRM 51-10-3, 51-10-4, 51-01 PAR. 21 AND 53-01 FIG. 2.