System types:
Brilliance 6, 10, 16, 16P, 40, 64, Big Bore, iCT , & iCT SP.
Range of Serial Numbers:
3001-3708, 30001-30131, 4001-4067, 40001-40035, 5001-6180, 50002-50139, 6007-6163, 60001-60029, 9009-9272, 29001-29153, 90028-92034, 9501-10300, 95003-95697, 9049, 9074, 9093, 9166, 7001-7520, 100003-100169, 200004-200034.
Not every system will be affected in the above ranges. The above is a total range of systems that could have a 453566498912 vertical brake installed. Please refer to the UAL.