What was found
DURING SCHEDULED ROUTINE MX DISCOVERED AFT LOWER FUSELAGE SKIN AT AFT COMM ANTENNA FS 400 HAD CRACK. STOP DRILLED CRACK FABRICATED AND INSTALLED AN EXTERNAL REINFORCEMENT DOUBLER REPAIR.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING SCHEDULED ROUTINE MX DISCOVERED AFT LOWER FUSELAGE SKIN AT AFT COMM ANTENNA FS 400 HAD CRACK. STOP DRILLED CRACK FABRICATED AND INSTALLED AN EXTERNAL REINFORCEMENT DOUBLER REPAIR.