What was found
APU FAULT LIGHT ILLUMINATED AND APU SHUTDOWN AFTER ELECTRICAL WAS ON LINE. REMOVED AND REPLACED APU STARTER GENERATOR FILTER IAW MM 49-91-12-4. (K)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
APU FAULT LIGHT ILLUMINATED AND APU SHUTDOWN AFTER ELECTRICAL WAS ON LINE. REMOVED AND REPLACED APU STARTER GENERATOR FILTER IAW MM 49-91-12-4. (K)