What was found
SAN - FLT 3360 - CREW REPORTED THAT ALL EMERGENCY LIGHTS WOULD NOT TEST. CONTRACT MAINTENANCE INSPECTED AIRCRAFT WHICH WAS THEN FERRIED TO SFP FOR REPAIR. MAINTENANCE REMOVED AND REPLACED ALL EMERGENCY LIGHT POWER SUPPLY UNITS (S/N 17381, 18335, 17649, 19522, 19068) IAW SAAB MM. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)