As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LETTER CHECK INSPECTION, THE UPPER CHORD AT RBL 20 RUNNING FORE/AFT IN THE AFT VENTRAL STAIRWAY TORQUE BOX WAS FOUND CRACKED AT STA. 1273. IN ORDER TO GAIN ACCESS FOR REPAIR OF THE CHORD, THE I/B WEB WAS CUT BETWEEN STA 1253 AND STA 1273. BOTH THE WEB AND THE CHORD WERE REPAIRED PER THE S/B 727-53-0129 REV.4.