As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRINGER 31 WAS FOUND CORRODED AT FS 1792 AND REQUIRED SPLICING PER THE L1011 SRM. TO GAIN PROPER ACCESS TO A ACCOMPLISH THE REPAIR, THE FUSELAGE SKIN WAS CUT OUT WITH A 26 X 4.25 CUTOUT. AFTER ACCOMPLISHMENT OF THE SRM STRINGER SPLICE, THE SKIN CUTOUT WAS REPAIRED WITH AN EXTERNAL ALUMINUM DOUBLER INSTALLED PER ER/A 369560-14, REV A.