What was found
TPA - FOUND THE AFT LEFT EPSU FAILED, DURING EMERGENCY LIGHTS TEST. MAINTENANCE REPLACED THE 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.
TPA - FOUND THE AFT LEFT EPSU FAILED, DURING EMERGENCY LIGHTS TEST. MAINTENANCE REPLACED THE EMERGENCY POWER SUPPLY UNIT. OK FOR SERVICE. (M)