As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTING: EMER LIGHTS DO NOT TEST IN AUTO. FUNCTION WHEN SELECTED ON BUT DO NOT ILLUMINATE IN AUTO EVEN AFTER POWER REMOVED FROM AC REMOVED #1 EMER BATTERY PACK PN: CBS28-1 SN: 5575 AND INSTALLED NEW BATTERY PACK PN: 6430028-1 SN: F24-11024. OPS CHECK IS GOOD. ALL WORK ACCOMPLISHED IN REF TO CE-680A AMM 33-50-06.