What was found
DURING NON ROUTINE CHECK, FOUND EMERGENCY ESCAPE LIGHTS AT 1L WILL NOT PASS TEST. MX REPLACED BATTERY PACK AT 1L AND FUNCTIONAL CHECK WAS NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING NON ROUTINE CHECK, FOUND EMERGENCY ESCAPE LIGHTS AT 1L WILL NOT PASS TEST. MX REPLACED BATTERY PACK AT 1L AND FUNCTIONAL CHECK WAS NORMAL.