As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT - MAINTENANCE REPORTED THE AFT RIGHT CABIN EMERGENCY LIGHTS EXTINGUISHED PREMATURELY DURING OPS TEST OF EMERGENCY LIGHT SYSTEM. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK AT POWER SUPPLY M1137 PER MM 33-51-51. OPS CHECK GOOD. (M)