As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON LT MAIN TANK STRINGERS 11 AND 12, XRS=69 TO XRS=91. ACCOMPLISHED DOUBLER STRAP REPAIRS BY MECHANICAL REMOVAL OF CORROSION PER DC-9 SRM 57-08 FIGURE 2, RESTORATION OF FINISH AND BY FABRICATION AND INSTALLATION OF -5 REPAIR STRAPS PER DC-9 SRM 57-08 FIGURE 2.