What was found
TAILBOOM REMOVED FROM AIRCRAFT DUE TO CRACKED SKIN RT SIDE BASE OF VERTICAL FIN. FOUND RUSTED, CORRODED & PITTED TAIL SKID BRACKETS. CORRODED FWD MOUNTING FLANGES. CORROSION & PITTED SPOTS ON 90 DEGREE GEARBOX FITTING BOLT HOLES. ACTION TAKEN: INSTALLED NEW TAILSKID BRACKETS, FWD & AFT, INSTALLED NEW 90 DEGREE GEARBOX FITTING AND REPLACED FWD MOUNT FLANGE. FABRICATED & INSTALLED NEW R/H FWD SKIN, PLUS VALVE MOUNT BRACKETS & DOUBLER AND CLEARED ALL OTHER MAINTENANCE DESCREPANCIES IN BLUE WORK FORMS OF WORK ORDER C298015. THIS INFORMATION IS FOR FAA SDR.