As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU GENERATOR WARNING LIGHT REMAINS ILLUMINATED AFTER APU SHUTDOWN. APU GENERATOR LOAD SHOWS HIGH, SUSPECT WELDED CONTACTOR. R & R APU START CONTACTOR. APU GENERATOR WARNING LIGHT NO LONGER ILLUMINATED. UNABLE TO OPS CHECK DUE TO APU FAILING TO START.