As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTING COMES ON, WILL NOT TURN OFF. TROUBLESHOT FOUND ONLY COCKPIT AREA EMERGENCY EXIT POWER SUPPLY HAD LOW CHARGE. REMOVED AND REPLACED BATTERY, OPS CHECK GOOD IAW MM 33-51-03. ALSO, FOUND L2 DOOR EXIT IDENTIFIER LIGHT WITH BAD BATTERY. REMOVED AND REPLACED BATTERY, OPS CHECK GOOD IAW INTERVALVE INSTALL AND OPS MANUAL. L2 BATTERY PACK (P/N 86210144), LFWD POWER SUPPLY (P/N 516574) (S/N 53971).