Complex sentence: On the day of the crash, Phuket Airport did not meet the requirements of fire and rescue protection required by international standards the foam and water in the trucks used three days earlier in a training exercise and had not been restocked.
Split into simpler sentences: On the day of the crash, Phuket Airport did not meet the requirements of fire and rescue protection required by international standards. The foam and water in the trucks used three days earlier in a training exercise and had not been restocked.