Originally Posted by Stranger

Given that this is the end of the month, seems more likely that there might be a crew scheduling issue. For the flight we were booked onon Sept. 30, the tail number is still scheduled to operate all previous flights before ours. Which has been cancelled two days ahead because of an "unforeseen aircraft maintenance issue."

My guess is, they serve you BS so as to dissuade you from filing a claim under the APPR.