What was found
FIVE LIGHTNING STRIKE WELD MARKS ON LOWER FUSELAGE SKIN FR 3-4, STGR 28L-28R. COMPLIED WITH 3 THROUGH DAMAGE REPAIRS, 1 FREEZE PLUG REPAIR, AND 1 DOUBLER REPAIR ON LOWER FUSELAGE SKIN FR3-4 STGR 28L-28R. REF ETD2022-170-010248 REV: C. SDR WRITTEN FOR DOUBLER REPAIR.