As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 2, FLL-PHL: APU FAILED IN FLIGHT, WHILE THE RIGHT GENERATOR SYSTEM WAS ALREADY ON MEL. DIVERTED TO CLT. NO OTHER DIFFICULTIES. MAINTENANCE REPLACED THE APU INLET PRESSURE TRANSDUCER AND THE RIGHT IDG, CLEARING BOTH THE APU AND GENERATOR SYSTEMS.