UPDATE: NASCAR announced penalties to the #11 Joe Gibbs Racing team of Denny Hamlin following the Coca-Cola 600 at Charlotte Motor Speedway:
Safety Section 126.96.36.199.4.d Minimum Safety Penalty Options
Note: Loss or separation of added ballast from the vehicle
Crew Chief (Chris Gabehart), Car Chief (Brandon Griffeth), Engineer (Scott Simmons) has been suspended for the next four NASCAR Cup Series points events, through June 10, 2020.
Joe Gibbs Racing will not appeal the penalty to the 11 team. Sam McAulay will serve as crew chief, Eric Phillips as car chief, and Scott Eldridge also slots in for the team beginning with Wednesday’s race at Charlotte | #NASCAR
— Kelly Crandall (@KellyCrandall) May 25, 2020
ORIGINAL POST 5-24-2020: Denny Hamlin started Sunday’s Coca-Cola 600 on pit road for repairs as his Joe Gibbs Racing No. 11 Toyota lost ballast during pace laps at Charlotte Motor Speedway.
Hamlin was scheduled to start 13th in the 600-mile race, but tungsten weight fell from his car during the pre-race warm-up. He headed to pit road just before the green flag but lost eight laps as his JGR crew scrambled to replace it.
— NASCAR.com —
According to the NASCAR Rule Book, Section 188.8.131.52.4.d:
Loss or separation of added ballast from the vehicle will result in a four Race suspension of the crew chief, car chief, and head engineer.