What was found
DURING MPV MAINTENANCE CHECK, FOUND CENTER W/W TUNNEL LONGERON 48L LOWER FLANGE BADLY CORRODED, STA 1506. SUSPECT CAUSE WAS MOISTURE. PROPER APPLICATION OF CORROSION PREVENTIVE COULD PREVENT RECURRENCE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING MPV MAINTENANCE CHECK, FOUND CENTER W/W TUNNEL LONGERON 48L LOWER FLANGE BADLY CORRODED, STA 1506. SUSPECT CAUSE WAS MOISTURE. PROPER APPLICATION OF CORROSION PREVENTIVE COULD PREVENT RECURRENCE.