As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FAULT LIGHT DURING INFLT APU START. ( NOTE ) FL 380 TEMP -44C TEMP FLUCTUATED 800-820 DEGREES. PRIOR FAULT LIGHT ILLUMINATION. VERBAL FROM FLIGHT CREW WAS APU STARTED ON 2ND ATTEMPT ABOVE FL 290. RAN APU BITE FOUND MAINT MESSAGE 49-41010 NO ACCELARATION SHUTDOWN. C/W FAULT ISOLATION TASK 49-40-00-810-801. COULD NOT DUPLICATE MALFUNCTION. NO HISTORY LAST 30 DAYS. CURRENTLY ON DEFERRAL FOR CSS VERIFICATION FLIGHT.