What was found
DURING HEAVY MAINTENANCE: WINGS / CENTER WING BOX / TOP SKIN PANEL / UPPER SURFACE / BETWEEN FR41-42 AT BEAM Y1292 / 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 / CENTER WING BOX / TOP SKIN PANEL / UPPER SURFACE / BETWEEN FR41-42 AT BEAM Y1292 / CORROSION - PERMANENT REPAIR. (CONSIDERED AS A MAJOR REPAIR)