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