What was found
FO WAS MASTER FD/ AUTOPILOT ON TAKEOFF. FD DIDN'T APPEAR. ATTEMPT TO CYCLE BOTH FLIGHT DIRECTORS TO RESET SYSTEM. FO FD REMAINED STOWED. AFTER CLIMBING TO A SAFE ALT ATTEMPTED TO ENGAGE B AUTOPILOT. UNABLE. SELECTED A CHANNEL OPERATED NORMALLY. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 27-32 TASK 804. FOUND PUSHED PIN ON CONNECTOR D3693B POS E6. SECURED/VERIFIED PIN E6 OF D3693B LOCKED, INSTALLED RT ADIRU. DFCS CURRENT STATUS STILL FAULT FCC B NO ADIRU DATA PLUS SMYD 2 CURRENT STATUS SAME FAULT. REF B737-800 WDM 34-21-23 FOUND A SHORT TO GROUND ON PIN E6 CONN D3693B R-ADIRU. AFTER ISOLATING FOUND SHORT TO GROUND BETWEEN E3-2 SHELF CONN D43263P PIN B15 AND E5-2 SHELF CONN D45263J PIN B15. REPLACED W5463-2017R/B-24 FROM D43263P TO OVERHEAD CEILING JUST AFT OF BHD 396 USING SHIELD SPLICE ASSY REF SWPM 20-30-12 AND TERMINATED PER SWPM 20-74-11. ACCOMPLISHED LAND VERIFY TEST REF AMM 22-11-00-700-801. ALL TESTS PASSED. ACCOMPLISHED LRU REPLACEMENT TEST FOR LRRA REF FIM 22-11 TASK 802. ALL TESTS PASSED.