What was found
EMERGENCY EXIT LIGHTS ON BULLNOSE ON LEFT SIDE OF AIRCRAFT AT ROW 9 AND 12 INOP ; CHANGED BULBS STILL NO WORK / [01] TROUBLESHOT TO BAD BATTERY CHARGER AT M1670. CHARGER WILL NOT CHARGE BATTERY VERIFIED THERE IS VOLTAGE AT PIN 2 AND 22 FOR CHARGING. CHARGER IN WAREHOUSE WILL BE ON 1600 TRUCK.; [02] VERIFIED TROUBLESHOOTING TO BAD BATTERY CHARGER AT M1670; WORK TO CONTINUE UPON RECEIPT OF NEW CHARGER; [03] REMOVED AND REPLACED M1670 BATTERY CHARGER PER AMM 33-51-06-960-806. REMOVED AND REPLACED BATTERY M1670 PER AMM 33-51-06-960-805. PERFORMED GOOD OPS TEST OF BULL NOSE LIGHTS AT L/H ROWS 9 AND 12 PER AMM 33-51-06-960-805.; [04] VERIFIED REMOVED AND REPLACED M1670 BATTERY CHARGER PER AMM 33-51-06-960-806. REMOVED AND REPLACED BATTERY M1670 PER AMM 33-51-06-960-805. PERFORMED GOOD OPS TEST OF BULL NOSE LIGHTS AT L/H ROWS 9 AND 12 PER AMM 33-51-06-960-805.