What was found
DURING C-CHECK INSPECTION, FOUND A CRACK ON THE LEFT FUSELAGE FRAME AT STATION 503, JUST BELOW THE FLOOR LINE. REMOVED AND REPLACED THE CRACKED FRAME IAW DOUGLAS SERVICE BULLETIN 53-117. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING C-CHECK INSPECTION, FOUND A CRACK ON THE LEFT FUSELAGE FRAME AT STATION 503, JUST BELOW THE FLOOR LINE. REMOVED AND REPLACED THE CRACKED FRAME IAW DOUGLAS SERVICE BULLETIN 53-117. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)