What was found
DURING HEAVY MAINTENANCE: WINGS / RH WING / TOP SKIN PANEL 2 / REAR SPAR - TE OVERHANG / WX3494-WX4490 AND RIBS 9-18 / CORROSION - PERMANENT REPAIR. (CONSIDERED AS A MAJOR REPAIR)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENANCE: WINGS / RH WING / TOP SKIN PANEL 2 / REAR SPAR - TE OVERHANG / WX3494-WX4490 AND RIBS 9-18 / CORROSION - PERMANENT REPAIR. (CONSIDERED AS A MAJOR REPAIR)