What was found
ENTRANCE DOOR CYCLES PART WAY UP & DOWN WITH POWER ON THE ACFT POWERED DOWN. DOOR IS LATCHED CLOSED, MOTOR STILL CYCLES ON & OFF. LIGHTS & SHADES FLICKERING. CYCLED DOOR SEVERAL TIMES NO DEFECTS. POWERED ACFT & CYCLED DOOR, NO DEFECTS. PERFORMED GVI & FOUND WATER INTRUSION ON RDE 1. PERFORMING GVI FOUND DOOR CYCLING COMMANDED. CYCLED POWER MULTIPLE TIMES & PAX DOOR CYCLING COMMANDED. ON FINAL POWER OFF DOOR WOULD NOT CLOSE AT ALL. REMOVED RDE 1 & RDE 2. TEMP INSTALLED RDE 2 INTO RDE 1 POSITION, FOUND DOOR TO BE CYCLING PROPERTY. REMOVED RDE 1. RESTORED RDE 1 TO ITS ORIGINAL #2 POSITION & INSTALLED A CUS SUPP OVERHAULD RDE #1 IAW AMM 44-10-40. OPS TEST OF MED OPEN & CLOSE FUNCTIONS WITH NO DEFECTS NOTED.