As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND ALL EMERGENCY LIGHT BATTYER ASSY FUNCTION FAIL. TT23 EACH(<P>1) IAW AMM 33-51-04-902-001-001 REV 108 REPLACED ALL EMERGENCY LIGHT BATTERY ASSY, CONDITION CHECK NORMAL. 2) IAW AMM 33-51-04-902-001-001 REV 108 PERFORMED INSTALLATION TEST OF ALL EMERGENCY LIGHT BATTERY. THE RESULT WAS SATISFACTORY</P>)