As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CENTER WING REAR SPAR WEB WAS FOUND WITH 5 CRACKS NEAR UPPER SPAR CAP. THE CRACKS ARE TYPICAL OF THOSE IN BAC S/B 727-57A0182. THE SPAR WEB WAS MODIFIED PER THE S/B WITH A CHANGE TO THE REPAIR AT RBL 20 WHERE A PREVIOUS LOCAL REPAIR WAS INSTALLED. THE REPAIR/MODIFICATION WAS ACCOMPLISHED PERER/A 365428-14AD.