As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE VISIT, CRACKS WERE FOUND IN SKIN AROUND RIVETS JUST BELOW THE LOWER CHORD OF THE REAR SPAR UNDER NR 2 AND NR 3 SPOILERS. FABRICATED AND INSTALLED A WAFFLE DOUBLER IN ACCORDANCE WIITH B727 SRM 51-40-3, FIGURE 1.