Castroneves/Penske fined 35k, loses 15 points

According to Indycar.com:

The No. 3 Team Penske car driven by Helio Castroneves was fined $35,000 and docked 15 entrant points for not complying Rule 14.6.6.14 (Underwing).

Helio had this to say via twitter:

Members may contest the imposition of the penalty pursuant to the procedures and timelines detailed in the protest and appeal sections of the IZOD IndyCar Series rulebook.