As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTING: WHEN EMER LT IS PLACED IN ARM POSITION CABIN LIGHTS, AISL LIGHTS AND EXIT LIGHTS ILLUMINATE AND FLASH ON AND OFF. SUSPECT WEAK EMER LIGHT BATTERY//CORRECTIVE ACTION// COMPLIED WITH CHARGING/ OPERATIONAL CHECK OF THE EMERGENCY POWER SUPPLY IAW TC-FLT-33-1001 REV 0 DATED 15DEC2021. OPS CHECK RESULTS PASS. NO FURTHER ACTION REQUIRED