What was found
PIT - THE EMERGENCY LIGHT SYSTEM WOULD NOT TEST. MAINTENANCE REPLACED THE MID CABIN, RIGHT EMERGENCY POWER SUPPLY UNIT. OPERATIONALLY CHECKS OK. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PIT - THE EMERGENCY LIGHT SYSTEM WOULD NOT TEST. MAINTENANCE REPLACED THE MID CABIN, RIGHT EMERGENCY POWER SUPPLY UNIT. OPERATIONALLY CHECKS OK. (M)