As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HMV CORROSION WAS FOUND ON BARREL NUT HOLES NR 1 AND 4 FROM FWD SPAR TO REAR SPAR STA XH=27 RT HORIZONTAL STAB ERA WAS ISSUED FOR BARREL NUT HOLES CORROSION ON HORIZONTAL STAB BARREL NUT HOLES CORROSION REMOVED AND BUSHING REPAIR INSTALLED AT 1 AND 4 HOLES IAW ERA 500117-14 REV ORIG.