As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTING: EMERGENCY LIGHTS OCCASIONALLY VERY DIM IN THE MORNING. AFTER CHARGING WITH APU POWER, THE LIGHTS WORK NORMALLY. BATTERY PACK ARE WEAK AND NEED EVALUATED. //SIGNOFF// REMOVED AND REPLACEDALLEMERGENCYBATIERYPACKSIAWCE680AMM33-50-10. PERFORMED RECHARGE PROCEDURE AND OPS CHECK. OPS CHECK. GOOD