What was found
DURING MAINTENANCE 3 SPOTS OF CORROSION WERE VISUALLY IDENTIFIED ON THE OUTBOARD LEFT UPPER AFT WING FITTING (OEM PN: 0822550-45). ALL THREE SPOTS ARE LOCATED ON THE LOWER SURFACE OF THE HORIZONTAL FLANGE OF THIS FITTING, AND ARE CONSISTENT WITH OTHER CORROSION DISCREPANCIES VISUALLY IDENTIFIED IN THIS AREA. THE FIRST LOCATION MEASURES APPROX. .250" WIDE AND .750" LONG. THE OTHER TWO LOCATIONS EACH MEASURE APPROX. .125" BY .125". ALL 3 LOCATIONS ARE APPROX. .015 DEEP. THIS FITTING HAS BEEN CHANGED USING NEW PARTS.