What was found
DURING P4-LAS SCHEDULED C-3 CHECK UNDER JOB CARD HC5321, FOUND CORRODED LONGERON-TO-FRAME ATTACH TEE BELOW E&E RACK AT FWD SIDE OF FS 204, RBL 28, WL 130. REPAIR BY REPLACEMENT ACCOMPLISHED, IAW LOCKHEED SMP583 SRM, CH 51-60 & 51-70 NR 1000310149.