As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE VISIT CORROSION WAS FOUND AT THE VERTICAL STABILIZER TRAILING EDGE SPLICE BOLTS NR 3 AND NR 4 OF RS 124. REMOVED BOLTS, CLEANED CORROSION FROM THE HOLES, TREATED WITH LP5.3 AND INSTALLED NEW BOLTS IN ACCORDANCE WITH B727 MM 51-20-11 AND MM 20-80-01.