The U.S. Federal Aviation Administration has faulted Boeing for not telling regulators for more than a year that a safety indicator in the Max cockpit didn't work.
The company acknowledged that it originally planned to fix a cockpit warning light in 2020 after two key lawmakers disclosed the company's timetable on Friday.
The Delhi-San Francisco flight has the code of AI183, while the return flight has the code of AI184.
The American aviation giant said that a subcontractor informed it of problems with a batch of a part involved in deploying the wings' leading edge.
Britain's flagship carrier stopped flying to Pakistan after the Marriott hotel in the capital, Islamabad, was bombed in 2008, killing more than 50 people.
SpiceJet is the fourth domestic airline to have 100 aircraft in its fleet, after Air India, IndiGo, and the now grounded Jet Airways.
The airline has purchased six Boeing 787-9 Dreamliner aircraft that are scheduled to be delivered between 2020 and 2021, and will be used for long-haul international operations.
Beyond Boeing's reputation, the 737 MAX crisis comes at a major financial cost, given that the plane represented 80 percent of the company's order backlog as of the end of last month.
Boeing on Monday announced the launch of the Boeing University Innovation Leadership Development (BUILD) programme for university students, faculty and early stage startups.
Its statement marked the first time Boeing acknowledged there was a design flaw in software linked to the 737 MAX, whose MCAS anti-stall software has been blamed.
Boeing said it has flown 737 MAX with updated software for the Maneuvering Characteristics Augmentation System, thought to be a factor in Ethiopian and Lion Air crashes.
The hearing comes amid a near-constant trickle of news reports in recent weeks that have raised pointed questions about both Boeing's and the FAA's handling of the narrow-body passenger jet.
Beijing might cut Boeing orders as well as purchases of US farm products.
A SpiceJet spokesperson confirmed the return of its Chennai flight to Mumbai due to a technical issue.
The IAF had signed a multi-billion dollar contract with the US government and Boeing Ltd in September 2015 for 22 Apache helicopters.