What was found
E&E DOOR WARNING SWITCH S197 INOP. 'EQUIP' DOOR ANNUNCIATOR ON OVERHEAD PANEL OPS CHECKS OK. FOUND EE DOOR OPEN UPON RETURN TO BLOCK. R & R THE WARING SWITCH S197, OPS CHECK FAILED, IAW AMM 52-71-42/201. SLAVED IN A NEW DOOR WARNING MODULE ON OVERHEAD P5, FAULT STAYED, REF 52-71-00/201. REISTALLED ORIGINAL DOOR WARNING MODULE IN THE AIRPLANE. OPS CHECKED GOOD. IAW AMM 52-71-00/501. INSPECTION FOUND E&E DOOR LOCK ACTUATOR INOP, STUCKED AT DOOR CLOSED POSITION. REPLACED ACTUATOR, E&E DOOR WARNING LIGHT ON P5 OPS CHECK GOOD,