What was found
DURING SCHEDULED "A" CK EVENT THE VERTICAL STABILIZER R/H FWD PANEL WAS FOUND DELAMINATED L=40", W=22" BETWEEN FSS195.390AND FSS 270.784. CORRECTIVE ACTION: PROCURED, LOCATED AND DRILLED NEW VERTICAL STAB R/H SIDE FIXED PANEL321CL PN: 175N20010U4 SN: 0004399709 IAW B757-200 SRM 51-40-08, B757-200SRM 51-40-05, TREATED AND PRIMED HOLES FOR THE FASTENERS AND SURROUNDING EDGES ONPANEL 321CL IAW B757-200 SRM 51-20-01, OK TO INSTALL PANEL 321CL PN: 175N2001U4 SN: 0004399709