What was found
AIRCRAFT IN BASE MAINTENANCE: CORRODED AREA AT LEFT WING UPPER SURFACE BETWEEN RIB 4 + 9 INCH TO RIB 4 +13 INCH AND AT REAR SPAR. BLENDED OUT DAMAGE REF EA 328412.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT IN BASE MAINTENANCE: CORRODED AREA AT LEFT WING UPPER SURFACE BETWEEN RIB 4 + 9 INCH TO RIB 4 +13 INCH AND AT REAR SPAR. BLENDED OUT DAMAGE REF EA 328412.