What was found
WHILE IN HEAVY CHECK-MAJOR REPAIR- DISCOVERED RH WING UPPER SKIN HAS SMOKING RIVETS AND SIGNS OF A CRACK AT THE #3 SPOILER INBD ATTACH FITTING AS MARKED. REMOVED DAMAGE AT THE RH WING UPPER SKIN, AT THE #3 SPOILER INBD ATTACH FITTING, BY CUTTING OUT CRACK. FABRICATED, LOCATED, DRILLED AND INSTALLED REPAIR FILLER AND DOUBLER AT THE RH WING UPPER SKIN,AT THE #3 SPOILER INBD ATTACH FITTING. SURFACE PROTECTION APPLIED. REF EMB ETD2020-170-007540.