As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BWI - FLT 281 - EN ROUTE FROM CLT TO EWR, WITH THE NR 1 GENERATOR ON MEL, THE APU INDICATED AN OIL OVER TEMP CONDITION. THE CREW SHUT DOWN THE APU. FLIGHT D IVERTED TO BWI PER SPECIAL PROCEDURES BECAUSE ONLY ONE GENERATOR WAS ON LINE. FLIGHT LANDED BWI WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE APU OIL TEMPERATURE SENSOR. (M)