As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WIRELESS EMERGENCY LIGHTING SYSTEM CONTROL UNIT BATTERY - REMOVAL PREPARE FOR THE REMOVAL - POS #11 #13 #16 #17 #18 #20 #30 PER JOB CARD INSTRUCTIONS REMOVED AND REPLACED WBU POSITION #11 #13 #16 #17 #18 #20 IAW AMM33-51-07 OPS CHECK NORMAL NO FAULTS NOTED. WIRELESS EMERGENCY LIGHTING SYSTEM CONTROL UNIT BATTERY.