B777 flight crew reported stopping a turn during taxi due to turn radius required exceeding available area. Tug pushed aircraft back and taxi continued.
Synopsis
B777 flight crew reported stopping a turn during taxi due to turn radius required exceeding available area. Tug pushed aircraft back and taxi continued.
Narrative
Stop on taxiwayI was the Captain on Flight XXXX. at departure we were given a wheels up time of 46 mins past our scheduled departure time. Denver ground was coordinated with and the plan was to put us near our departure runway; XXL. the taxi plan had us taxi 1 to 2 with a hold short of 3. as we approached that turn we discussed how tight the turn looked in spite of an slightly oversized area about half way through the turn; to go north on [taxiway] 2; the nose wheel began scrubbing and loosing effectiveness. I released some tiller deflection which began to increase my turn radius. about this point I brought the aircraft to a stop on the prepared surface with no taxiway excursion and I coordinated for ZZZ ops to bring us a tug and to complete the turn and align us with taxiway 2. I called the chief pilot and dispatch and ZZZ Maintenance Control came out as well and confirmed the aircraft was on the taxiway with no excursion. no damage to the aircraft nor to the ZZZ taxiways or lights no excursion or damage and honestly the turn probably would have worked out but I decided to stop as a matter of caution
Second reporter narrative
Incomplete taxi turn.Ground directed a taxi route from southbound on [taxiway] 1 to a left turn northbound on 2 to a waiting area on 2 short of 3; for a wheels up time of XA46Z. The turn looked about 135 degrees and there should have been enough width to complete successfully. However it was probably closer to 155 degrees; and as the captain began the fuller tiller turn to the left it was apparent the radius was too large for the available area so he stopped the turn about two thirds in while approaching the taxiway edge. Aircraft did not depart the taxiway nor touch the taxi lights; however the position that it was stopped in required a tug to push the aircraft back 30 - 40 feet in order to complete the left turn. No departure of prepared surface or damage to aircraft.
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Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.