As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6426 - IAD-DTW - DURING LANDING, EXPERIENCED A NR 1 AND NR 2 RED BETA LIGHT DURING LANDING FLARE AT IAD. UPON FINAL ARRIVAL AT IAD, MX TECHNICIANS TROUBLESHOT THE DISCREPANCY AND FOUND THAT THE LT AND RT ENGINE FLIGHT IDLE FUEL FLOW SYSTEM OF THE FUEL CONTROL UNITS NEEDED TO BE ADJUSTED. ADJUSTMENTS WERE MADE IAW WITH GARRETT AND JETSTREAM MAINTENANCE PROCEDURES. AIRCRAFT WAS THEN RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)