FAA orders fuel-system modifications on 586 Pratt & Whitney PW1100G engines after fan‑blade fractures
The FAA has issued an airworthiness directive mandating modification of fuel-system components on 586 Pratt & Whitney PW1100G engines after multiple fan‑blade fractures that produced three under‑cowl fires. The AD requires operators to complete specified hardware changes and inspections to reduce fire risk and support continued operation.