What was found
AIRCRAFT WAS NOT GROUNDED: FLIGHT DECK DOOR WILL NOT UNLOCK OR LOCK AFTER CODE IS ENTERED.MID LATCH INDICATING FAULT. MAINTENANCE TROUBLESHOT IAW TSM 52-51-00-810-801-A AND FOUND WIRE NUMBER 7803-20 CONNECTING TO B ON SPLICE 7118VS IAW AWM 52-51-02 SHIELD SHORTING TO THE CORE WIRE AT CONTACT SOCKET B, ISOLATED AND REPAIRED SHIELD IAW ESPM 20-53-22. PERFORMED OPS TEST OF COCKPIT-DOOR LOCKING SYSTEM IAW AMM 52-51-00, OPS TEST GOOD.