What was found
EMERGENCY LIGHTS DOOR 1R INSIDE & OUTSIDE AND CENTER ABOVE COCKPIT ENTRY NOT WORKING, FOUND DURING SERVICE CHECK. TROUBLESHOOTING FOUND BATTERY CHARGER AND BATTERY PACK NOT WORKING, R & R CHARGER AND BATTERY PACK, OPS TESTED SATISFACTORY IAW AMM 33-51-07-902-001, 33-51-07-022-020 AND 33-51-07-862-054, REV 103.1. REMOVED AND INSTALLED, OPS CHECKED & REPLACED WITH SERVICABLE UNIT OFF MFG 2012-1, POS 2, SRL 20525, TAG 3656B0 ON MFG 2012-1, SRL 57403. FAILED OPS CHECKED & REPLACED WITH SERVICABLE UNIT.