As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS OPERATIONAL CHECK, LEFT AFT EMERGENCY EXIT EXTERIOR LIGHT INOPERATIVE. REMOVED AND REPLACED THE BATTERY PACK AT SEAT 27A IAW AMM 33-51-06-960-805. NO HELP. R & R POWER SUPPLY IAW MM 33-51-06, OPS CHKD GOOD, OK TO CONTINUE.