The Piper Navajo that crashed in Tuscaloosa, Alabama, this month, killing all six people aboard, had two fuel pump failures in flight. The twin had departed Orlando, Florida, Aug. 14 bound for Oxford, Mississippi. At 11:11 a.m., the private pilot reported a fuel pump failure to ATC and requested a diversion to the nearest airport.
Source: avwebNTSB: Pilot Reported Mechanical Failures Before Crash