What was found
DURING HEAVY MAINTENANCE VISIT, FOUND RIB LOCATED AT LEFT WING STATION 738.5 CRACKED ON THE UPPER FLANGE AT THE STRINGER 12 ATTACH POINT. REMOVED AND REPLACED RIB IAW B727 SERVICE BULLETIN 727-57-0127.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENANCE VISIT, FOUND RIB LOCATED AT LEFT WING STATION 738.5 CRACKED ON THE UPPER FLANGE AT THE STRINGER 12 ATTACH POINT. REMOVED AND REPLACED RIB IAW B727 SERVICE BULLETIN 727-57-0127.