What was found
AIRCRAFT 682, AD RELATED DURING ROTO TEST OF THE ENGINE 1 UPPER SKIN. DRAG FITTING CRACKS NOTED IN HOLE 1 SKIN AND FITTING LAYERS, HOLE 4 FITTING LAYER, HOLE 5 SKIN LAYER, HOLE 6 SKIN LAYER, HOLE 7 SKIN LAYER AND HOLE 8 FITTING LAYER. REJECTABLE INDICATION DUR TO SIGNAL TO NOISE RATIO ISSUES NOTED IN HOLE 5 FITTING LAYER. CORRECTIVE ACTION: ACCOMPLISHED EA# 609176-14 AD ON L/H WING HOLES #1,4,5,6 7 AND 8 ON DRAG-FITTINGS. (LP 2814584)