What was found
FLT 4242 - DURING HANGAR CHECK IN BTR, THE LEFT AFT OVERWING EMERGENCY LIGHT WAS FOUND TO BE INOPERATIVE. MAINTENANCE DEFERRED THE LEFT OVERWING EMERGENCY LIGHT IAW MEL NR 33-51-02, PENDING REPLACEMENT OF A BAD DIODE. UPON FURTHER TROUBLESHOOTING, MAINTENANCE FOUND A BAD WIRE AT TERMINAL BOARD 107-2, PIN A AND REPAIRED THE WIRE WHICH CLEARED THE DEFERRAL. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)