As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX - FLT 2640 - DURING ROUTINE MAINTENANCE CHECK, FOUND RT OVERWING EMERGENCY LIGHTS INOPERATIVE. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY. REMOVED AND REPLACED POWER SUPPLY. BITE TEST GOOD. REFERENCE: OPERATOR CONTROL NR 96ZZZX4919. (X)