What was found
EMERGENCY LIGHTS FLOOR PROXIMITY LIGHT DOESNT TURN ON AT POSITIONS: 50FED, 51FED, 52FED, 53FED, 54FED, 55FED, 56FED AND 57FED. ACCOMPLISHED FIM DMC-B787-A-33-50-F1-87A-421A-A AND FOUND REMOTE WELS CONTROL UNITED BATTERY POWER IS FAILED AT POSITION #29. REMOVED AND REPLACED WIRELESS EMERGENCY LIGHTING SYSTEM CONTROL UNIT AND BATTERY UNIT. IAW AMM FAULT:33-11429 DMC-B787-A-33-51-07-01B-520A-A/720A-A. AFTER TESTS ITEM GOOD FOR SERVICE.