B767-300 and 300 ER
Flight Crew Air Transport Pilot (ATP)
Flight Crew Last 90 Days 120; Flight Crew Total 14500; Flight Crew Type 4300
Aircraft Equipment Problem Critical
Flight Crew Rejected Takeoff; Flight Crew Returned To Gate; General Maintenance Action
Aircraft
On the takeoff roll; the First Officer called 80 KTS; followed by airspeed hesitation. I looked at my airspeed which was still increasing; the First Officer again called airspeed hesitation. At this point in time I had look at my airspeed indication which I remember being about 110-115 KTS; I then became fixated on the First Officer airspeed indication; which appeared to be stopped or failed on 90 KTS. We had no other warning or comparator warnings or indications of a problem. We did have; however; a large split in airspeed indication. I elected to reject the takeoff; I am certain I elected to reject below V1. However; at this point; I was not receiving call outs from the First Officer; who was unable to make calls; due to [the] failed airspeed indicator. The airplane was brought to a stop and we cleared the runway. I returned to the blocks to deal with our failed indicator. We had to wait for the brakes to cool.
On takeoff it was the Captain's leg and my airspeed indicator stagnated around 90 KTS. I called 'stagnation' followed by what appeared a momentary slight airspeed increase only for it to stagnate again when I called 'stagnation' again. At which point I looked over at the Captain's airspeed indicator and it appeared to be around 120 KTS. The Captain noticing my airspeed indicator 'frozen' [and] aborted the takeoff. I noted what I thought was the airspeed on the Captain's airspeed indicator in order to be able to later reference the brake cooling chart. Because the brake indications showed 7;8;9 on the temperature gauges we elected to take the full hour on cooling and have maintenance check thermal plugs and tire integrity.
B767-300 flight crew reported rejecting the takeoff at about 120 KTS when the First Officer's airspeed indicator hung.