What was found
MAIN CARGO DOOR LIGHT ILLUMINATED AT FL 298. COMPLETED EMERGENCY CHECK LIST. LIGHT ILLUMINATED AT 8.0 CABIN DIF. HOOKS UNLOCKED AND DOOR WARNING LIGHTS ILLUMINATED ON DOOR CONTROL PANEL. LIGHTS WENT OUT AT 3 PSI CABIN DIF. INSPECTED DOOR LATCH HOOKS & SWITCH OPERATION FOR OPERATION. LUBRICATED LATCH HOOKS. CYCLED DOOR SEVERAL TIMES IAW AE M/M CHAPTER 24 PAGE 36, CHECKS NORMAL.