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B767 first officer reported the captain used improper taxi procedures causing the taxiway excursion.
| Attributes | |
| ACN | 1746587 |
| Time | |
| Date | 202006 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZZ.Airport |
| State Reference | FO |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | B767-300 and 300 ER |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Taxi |
| Route In Use | Direct |
| Flight Plan | IFR |
| Person 1 | |
| Function | First Officer Pilot Not Flying |
| Qualification | Flight Crew Instrument Flight Crew Commercial Flight Crew Multiengine Flight Crew Private |
| Events | |
| Anomaly | Ground Event / Encounter Loss Of Aircraft Control Ground Excursion Taxiway |
Narrative:
Uneventful flight to ZZZZ ILS [runway] xxl approach and landing. Upon landing we taxied clear of runway xxl at L2 with no issues. Followed taxi instructions provided by ATC to continue taxi L2; left and cross xy/xz. After turning right onto lima at slow speed and on taxi centerline aircraft was pointed directly into the sun and the captain reached down and grabbed a checklist from the aircraft dashboard. As aircraft continued on taxiway lima and captain placed checklist in window to block the sun he reached back down to grab the tiller and the aircraft veered to the right and then immediately seemed to accelerate to the right off the centerline. As this rapid movement happened the captain yelled 'make it stop' and as the pilot monitoring I was already racing to put my feet onto the brakes well before departing the taxiway. The momentum of the aircraft was too great and the nose gear settled off the taxiway. During this time we were both standing on the brakes and the captain had minimum reversers selected as a last ditch effort to stop the aircraft prior to departing the paved surface. We secured the right engine after departing; started the APU and secured the left engine. Towed back to ramp successfully. Improper use of tiller. While taxing keep both hands at all times on tiller and throttles.
Original NASA ASRS Text
Title: B767 First Officer reported the Captain used improper taxi procedures causing the taxiway excursion.
Narrative: Uneventful flight to ZZZZ ILS [Runway] XXL approach and landing. Upon landing we taxied clear of Runway XXL at L2 with no issues. Followed taxi instructions provided by ATC to continue taxi L2; L and cross XY/XZ. After turning right onto Lima at slow speed and on taxi centerline aircraft was pointed directly into the sun and the Captain reached down and grabbed a checklist from the aircraft dashboard. As aircraft continued on taxiway Lima and Captain placed checklist in window to block the sun he reached back down to grab the tiller and the aircraft veered to the right and then immediately seemed to accelerate to the right off the centerline. As this rapid movement happened the Captain yelled 'make it stop' and as the Pilot Monitoring I was already racing to put my feet onto the brakes well before departing the taxiway. The momentum of the aircraft was too great and the nose gear settled off the taxiway. During this time we were both standing on the brakes and the Captain had minimum reversers selected as a last ditch effort to stop the aircraft prior to departing the paved surface. We secured the right engine after departing; started the APU and secured the left engine. Towed back to ramp successfully. Improper use of tiller. While taxing keep both hands at all times on tiller and throttles.
Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.