What was found
DURING A ROUTINE INSPECTION, A CRACK WAS DISCOVERED AT THE RT MLG ACTUATOR ATTACH FITTING RWS 88.62. THE CRACK ORIGINATED AT A LOCK FASTENER AND EXTENDED DOWN APPROXIMATED .60 INCH AND UPWARD THROUGH THE UPPER RADIUS OF PART APPROXIMATELY .70 INCH. THE UPPER PORTION OF CRACK WAS NOT VISIBLE UNTIL REMOVED FROM ACFT. THE LWR PORTION OF CRACK WAS CONFIRMED WHEN PAINT AND PRIMER WERE REMOVED. AREAS OF CORROSION COMMON TO SEVERAL FASTENER LOCATIONS, INCLUDING ASSUMED CRACK ORIGIN, WERE IDENTIFIED WHEN COATINGS WERE REMOVED. A RECORDS REVIEW IDENTIFIED THE FITTING IS ORIGINAL TO THE AIRFRAME. ALL FASTENERS WERE DETERMINED TO BE INSTALLED CORRECTLY AND NO ADDITIONAL DAMAGE TO UNDERLYING STRUCTURE WAS IDENTIFIED AFTER PART WAS REMOVED. AREAS OF CORROSION COMMON TO FASTENER LOCATIONS WERE IDENTIFIED WHEN COATINGS WERE REMOVED.