As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) REDUNDANT BOLT FOUND CRACKED AT CENTRAL AREA OF THE EXTERNAL THREAD SECTION THE RADIOGRAPHIC TECHNIQUE IS DESIGNED TO DETECT CRACKS IN THE BOLT HEAD TO SHANK RADIUS OR REDUNDANT ROD THE DOUGLAS "GAMMA RAY" INSPECTION PROCEDURE CONTAINED IN SB 72-172, REV.1 COULD RESULT IN CRACKED BOLTS CONTINUING IN SERVICE.