What was found
PIT - THE EMERGENCY LIGHTS SYSTEM FAILED THE EMERGENCY POWER SUPPLY TEST. MAINTENANCE REPLACED THE LEFT EMERGENCY POWER SUPPLY UNIT BATTERY PACK. PERFORMED THE EMERGENCY LIGHT TEST. OK FOR SERVICE. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PIT - THE EMERGENCY LIGHTS SYSTEM FAILED THE EMERGENCY POWER SUPPLY TEST. MAINTENANCE REPLACED THE LEFT EMERGENCY POWER SUPPLY UNIT BATTERY PACK. PERFORMED THE EMERGENCY LIGHT TEST. OK FOR SERVICE. (M)