SINGAPORE, April 24 -- A Singapore Airlines (SIA) flight to Frankfurt was delayed for over 90 minutes on April 22 after a catering truck collided with one of the Airbus A380's engines, forcing a last-minute aircraft change and the subsequent cancellation of the return flight.

The incident occurred at Changi Airport before passengers had boarded flight SQ326, which was originally scheduled to depart at 12:35pm, The Straits Times reported.

An SIA spokesperson confirmed that a catering truck "made contact with the Airbus A380's engine," requiring repairs and a switch to a replacement aircraft. No passengers were on board at the time, and no injuries were reported.

The airline did not disclose the operator of the truck or the extent of the...