As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS INOP ON ROWS 18, 19, 21. NICAD BATTERY PACKS DO NOT OPERATE LIGHTS WHILE IN EMERGENCY POSITION. REMOVED AND REPLACED BATTERIES TO BATTERY CHARGER AT STA 634 POSITION B5-26 IAW 33-50. REPLACED THE POWER SUPPLY (P/N 60-0304-31).