What was found
PART NUMBER 0411899-1, STIFFENER ASSEMBLY LANDING GEAR BULKHEAD, FOUND TO HAVE SIGNIFICANT CORROSION OF LOWER SECTION UNDER MAIN LANDING GEAR. DISCOVERED DURING THE ANNUAL INSPECTION WHEN WHAT APPEARED TO BE A DEFECT OF ATTACHING PART 0411903-1, ANGLE - LOWER OUTBOARD LT, WAS OBSERVED. FURTHER INSPECTION FOUND THAT LOWER SECTION OF PN 0411899-1 WAS CORRODED COMPLETELY AWAY. DUE TO LACK OF SUPPORT, PN 0441172-1, BULKHEAD ASSEMBLY - LANDING GEAR INBOARD, DEVELOPED A CRACK. PICTURES TO FOLLOW BY EMAIL.