According to @business, the FAA has grounded all McDonnell Douglas MD-11 aircraft due to concerns that engines and structural wing components could fail, following a deadly UPS crash this week. Source: Bloomberg (@business). @business reports that investigators are probing an engine pylon detachment on the UPS jet involved in the incident, with the cause still under investigation. Source: Bloomberg (@business). @business states the grounding applies across all MD-11 operators until safety concerns are addressed, a development traders often track for logistics and aerospace equities exposure. Source: Bloomberg (@business). @business did not cite any direct impact on cryptocurrency markets or mention BTC or ETH in relation to the FAA action. Source: Bloomberg (@business).