As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE GEAR SWINGS, THE RIGHT MAIN GEAR WAS PINNED WHEN THE RIGHT MAIN GEAR WALKING BEAM (BOEING P/N 65-46108-X) FRACTURED TWO INCHES FROM THE OUTSIDE DIAMETER OF THE SLOTTED BEARING RACE. *S/D* THE RIGHT MAIN LANDING GEAR ACTUATOR WALKING BEAM FRACTURE WAS CAUSED BY STRESS CORROSION CRACKING INDUCED BY A CORROSION PIT. REPLACED THE WALKING BEAM.