What was found
PIT - DURING C-6 CHECK, FOUND LEFT SIDE STATION 180, .1875 INCH LONG CRACK AT 4TH RIVET FORWARD STATION 180 RIVET LINE AT LONGERON 22 LEFT ON SKIN. INSTALLED EXTERNAL DOUBLER PER DOUGLAS DRAWING SR09530219 CLASS 1, 7001 AND EA 51344. (M)