As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MDIS 676 33-50 1687 17AUG22 BUR FACT U COURIER AREA EMERGERNCY LIGHTING WILL NOT TEST OR TURN ON R/I 17AUG22 19:12 BUR U REASON CODE : PREMATURE REMOVAL/INSTALLATION OFF MPN: AD-3214-30 POS: 3 SRL: 59192 ON MPN: AD-3214-31 CPN: 3310373 SRL: 279535 TAG NBR: 35H905 FACT 17AUG22 19:12 BUR U REMOVED AND REPLACED EMERGENCY POWER SUPPLY BATTERY 29WL1 REF AMM 33-51-14-04. OPS CHECKS GOOD.