What was found
DURING HEAVY MAINTENANCE, FOUND L2 DOOR SILL AT FRAME 66 GIRT BAR ATTACH FITTING AT THE AFT OTBD FASTENER HOLE CORRODED. REAMED CORRODED HOLE AND REPAIRED IAW SRM REF 53-41-14, FIG 201. THIS ITEM HAS BEEN CLASSIFIED AS A LEVEL 2 CORROSION.