What was found
AVIONICS FAN DISPLAYED. THIS AFTER AN ELECTRICAL ODOR IN FLIGHT. NO NR 2 PACK SHUTOFF,AND NR 3 PACK OVERHEATED, OUTFLOW VALVE CLOSED (FL 390) SYS RETURNED TO NORMAL SEVERAL MINUTES LATER. MSG REMAINED. PERFORMED GROUND PRESSURIZATION CK IAW AMM 21-00-00-2. NO AIR LEAK NOTED ON CARGO DOORS OR ANTENNAS (SAT COMM) ALL 3 PACK USED DURING PRESSURE CHECK. NO OVERTEMP CONDITIONS NOTED. NO ELECTRICAL ODOR NOTED. VERIFIED ECM-OCM REPORT. NO COMPONET FAILURES. NO MESSEGES DISPLAYED AT THIS TIME.