What was found
DURING GROUND TEST FOLLOWING FLIGHT EVALUATION. EMERGENCY CEILING LIGHT AFT UPPER DECK ILLUMINATES FOR ABOUT 3 SECONDS BEFORE GOING OUT: REMOVED AND REPLACED LIGHT UNIT IAW MM 747-33-51-00
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING GROUND TEST FOLLOWING FLIGHT EVALUATION. EMERGENCY CEILING LIGHT AFT UPPER DECK ILLUMINATES FOR ABOUT 3 SECONDS BEFORE GOING OUT: REMOVED AND REPLACED LIGHT UNIT IAW MM 747-33-51-00