What was found
INSPECTION TYPE:C3, UPON REMOVAL OF FUSELAGE SIDE HINGE FOUND HOLE AT BS 501, STR 3L TO BE AT A .403" DIA WHICH CAUSES LACK OF EDGE DISTANCE ON THE SEAL RETAINER, SEAL DEPRESSOR, AND "L" ANGLE CHORD. REPAIRED IAW EO B757-5310-43930-A, ATS ER 11-03637.