What was found
EMERGENCY LIGHTS IN SEATS 23DEF THROUGH 32DEF INOP DURING TEST. REPLACED ONE FUSE ON BATTERY POWER SUPPLY UNIT NUMBER M01672. TEST GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EMERGENCY LIGHTS IN SEATS 23DEF THROUGH 32DEF INOP DURING TEST. REPLACED ONE FUSE ON BATTERY POWER SUPPLY UNIT NUMBER M01672. TEST GOOD.