What was found
MAIN CABIN, AFT PRESSURE BULKEAD INTERCOSTAL AT BS 1016, RBL 8-RBL 16, WL 210 CORRODED. ACFT GROUNDED. R & R AFT PRESSURE BULKHEAD INTERCOSTAL PN 148A2261-14 IAW SRM 51-40-02 & DWG 148A0922, SHT 11-12, APPROVED ME-04 611-0792. DOT REMOVED.