What was found
DURING HEAVY MAINTENANCE VISIT, THE NUMBER 4 SLAT ACTUATOR ATTACHMENT RIB WAS FOUND CRACKED IN LOWER RADIUS. STOPPED DRILLED CRACK, INSTALLED REPAIR ANGLE IAW B727 SRM 51-10-1, 57-50-3, 51-40-2 AND MAINTENANCE MANUAL 51-20-2.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENANCE VISIT, THE NUMBER 4 SLAT ACTUATOR ATTACHMENT RIB WAS FOUND CRACKED IN LOWER RADIUS. STOPPED DRILLED CRACK, INSTALLED REPAIR ANGLE IAW B727 SRM 51-10-1, 57-50-3, 51-40-2 AND MAINTENANCE MANUAL 51-20-2.