What was found
AFT EMERGENCY LIGHTS WILL NOT ILLUMINATE. REMOVED AND REPLACED NR 4 EPSU BATTERY PACK IAW AMM 33-51-17-000/400-801. OPS CHECK GOOD. NO DEFECTS NOTED AT THIS TIME. (PN: 2013-1A SN: 122502)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFT EMERGENCY LIGHTS WILL NOT ILLUMINATE. REMOVED AND REPLACED NR 4 EPSU BATTERY PACK IAW AMM 33-51-17-000/400-801. OPS CHECK GOOD. NO DEFECTS NOTED AT THIS TIME. (PN: 2013-1A SN: 122502)