What was found
EMERGENCY LIGHTS WILL NOT PASS SYSTEM TEST. "EPSU BATTERY AFT L" MESSAGE. REPLACED BATTERY. TESTS OKAY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EMERGENCY LIGHTS WILL NOT PASS SYSTEM TEST. "EPSU BATTERY AFT L" MESSAGE. REPLACED BATTERY. TESTS OKAY.