What was found
WHILE PERFORMING AN EMERGENCY LIGHT TEST, R4 DOOR EXIT SIGN WAS NOT ON. REPLACED THE BATTERY PACK M33408 AND TESTED NORMAL IAW AMM 33-51-06-960-802, REV 83.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE PERFORMING AN EMERGENCY LIGHT TEST, R4 DOOR EXIT SIGN WAS NOT ON. REPLACED THE BATTERY PACK M33408 AND TESTED NORMAL IAW AMM 33-51-06-960-802, REV 83.