What was found
EXFOLIATION AND SEPARATION OF FWD RIBS ATTACHED TO FLAP ATTACH BRACKET. RT AND LT SIDE. CANNOT BE SEEN WITHOUT DOING SB27-3954. AFFECTS MODEL 19 SERIES, SERIALS MB-1 THROUGH MB-905, MODEL 23 SERIES, SERIALS M-1 THROUGH M-2392, MODEL 24 SERIES, SERIALS MA-1 THROUGH MA-368, MODEL 24R SERIES SIERRA, SERIALS MC-2 THROUGH MC-795, MODEL 76 DUCHESS, SERIALS ME-1 THROUGH ME-437.