What was found
(CAN) DURING TROUBLESHOOTING OF AN UNRELATED DOOR SNAG, A CRACK WAS DISCOVERED ON THE FUSELAGE SKIN STARTING AT THE LWR FWD CORNER OF MAIN ENTRY DOOR CUTOUT. USING A 10X LOUPE, THE CRACK WAS MEASURED AT 0.270". EDDY CURRENT AND FPI INSP CARRIED OUT WHICH DETERMINED CRACK TO BE 0.342" IN LENGTH. MFG WAS CONTACTED AND DREW A REPAIR SCHEME USING A 0.025" STAINLESS STEEL DOUBLER. REPAIR YET TO BE ACCOMPLISHED.