What was found
LOWERED MLG HANDLE (WITH SYS 2, POSITION DET SELECTED) GOT UNLOCK LIGHTS BUT NO MLG DOWN, SELECTED SYS 1, NO CHANGE, RAISED MLG HANDLE, LIGHTS WENT OUT, LOWERED MLG AGAIN IN SYS 2, AND MLG CAME DOWN NORMALLY. BITE ON PROX BOX, NO FAULT REGISTERED, FOLLOWED TSM 32-30-00 PG 111, SELECTOR VALVE CONFIRMED 28VDC BET PINS E & F ON CONNECTOR 3GA-A, R & R 3GA MLG SELECTOR VALVE IAW AMM 32-31-12 AND 2GA. MLG SWITCHING CONTROL LEVER UNIT IAW 32-31-11-04 AND CARRIED OUT MLG FLT SIM TEST BOX IAW AMM 32-00-00. ALL TESTED GOOD EXCEPT RT NLG DOOR. R & R NLG DOOR ACTUATING CYLINDER IAW 32-31-16-04, USE TEST BOX FOR SIM OF NLG DOOR SWING & UNLOCK LIGHTS IN FLT MODE IAW AMM 32-00-00 P. BLK 501, CHECKED GOOD. OK FOR SERVICE.