What was found
DURING MPV MAINTENANCE CHECK, FOUND CENTER W/W TUNNEL, LONGERON 50L END FITTINGS CORRODED ALONG OTBD FLANGE, STA 1521. 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 50L END FITTINGS CORRODED ALONG OTBD FLANGE, STA 1521. SUSPECT CAUSE WAS MOISTURE. PROPER APPLICATION OF CORROSION PREVENTIVE COULD PREVENT RECURRENCE.