What was found
DURING ROUTINE C-CHECK INSPECTION, LONGERON 24 RIGHT WAS FOUND TO BE CRACKED IN TWO PLACES ADJACENT TO THE BATHTUB FITTING AT FUSELAGE STATION 870. THE CRACKS WERE STOP DRILLED, REPAIR DOUBLERS FABRICATED AND INSTALLED IN ACCORDANCE WITH DOUGLAS STRUCTURAL REPAIR MANUAL 53-2-2 AND 51-1-20D.