What was found
AFT EMERGENCY LIGHT POWER SUPPLY UNIT BATTERY, FAILED TO TEST. REPLACED THE BATTERY IAW 33-51-38. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFT EMERGENCY LIGHT POWER SUPPLY UNIT BATTERY, FAILED TO TEST. REPLACED THE BATTERY IAW 33-51-38. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.