As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT 5 OF 6 AFT FLOOR EMERGENCY LIGHTS NOT WORKING. REMOVED AND REPLACED NR 5 EMERGENCY POWER SUPPLY IAW SAAB 340B AMM 33-50-10. PERFORMED OPERATIONAL TEST OF EMERGENCY LIGHTING SYSTEM IAW SAAB 340 AMM 33-50-10. AIRCRAFT RETURNED TO SERVICE.