As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
C/B POPPED AFTER T/O, RTFL. CREW REPORTED C/B Q41 Q42 Q43 Q44 P41 ON 121VU PANEL ALL POPPED IN FLT. ALSO ENG 1 IGN C/B P41 ALSO TRIPPED, PER CREW, C/B DID NOT ALL TRIP AT THE SAME TIME AND ACFT CLIMBING THROUGH FL290. ON GROUND DID NOT RESET TRIPPED C/B'S. REPLACED FIRE CONTROL MODULE. ALSO REPLACED EIU. CHECKED WIRES BETWEEN SQUIB'S AND FIRE PANEL, FOUND NO GROUNDS. ACCOMPLISHED TSM WITH NO FAULTS. PANEL TESTED NORMAL. NOTIFIED OPBLM AND THEY AGREE TO RELEASE ACFT BACK IN SERVICE.