As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RJAA - DURING C-1 CHECK INSPECTION FOUND: CORROSION CENTER FUSELAGE SKIN STA 740 THROUGH STA 760 AREA BOTTOM ZONE (INSIDE). INSTALLED DOUBLER REPAIR PER SRM 53-30-3 PAGE 2A. JOB CONTROL NR J128. SOURCE CONTROL R. 7TK9061. WORK PERFORMED BY JAPAN AIRLINES (JACZ109F).