As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BATTERY, WIFI EMER LIGHTING WELS($)*DONOT LOAN*PMA POS: 4 (FOUR) MFG PN: AD100-2602-01 MFG SN: ADS2503108 PLEASE DOCUMENT IN THE LOG PAGE THE FULL MFG P/N AND S/N WITH IMAGES. CARRIED BY ELB TAKE THE PHOTO OF EMERGENCY LIGHT BATTERY UNIT AT POSITION 4 AS PER DWG NO. 2500DD15922 REV B0 FOUND THE PHYSICAL PART NR. AND SERIAL NUMBER OF BATTERY UNIT AS FOLLOW: P/N: AD-100-2602-01 S/N:AD25032108.