What was found
WHILE IN HEAVY CHECK FOUND FWD FUSELAGE LH SIDE 5 HOLE DOUBLER AT FR19 HAS CORROSION AT FWD EDGE REMOVED AND REPLACED FWD FUSELAGE LH SIDE 5 HOLE DOUBLER AT FR19 REF SRM 51-40-08 RESTORED SURFACE PROTECTION REF. E175 SRM 51-23-04, 51-23-05, 51-23-06.