As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHT POWER UNIT AT ZONE 227 INOPERABLE. C/A: FOUND EMERGENCY LIGHT POWER UNIT AT ZONE 227 INOPERABLE. R & R POWER UNIT, IAW AMM 33-50-01. EMERGENCY LIGHT POWER UNIT OPERATIONS CHECK GOOD. OPERATIONS CHECK OF EMERGENCY LIGHTS GOOD, IAW 33-50-00. NO FURTHER DEFECTS NOTED.