As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THE FLAPS FAILED WHEN 8 DEGREES SELECTED. AIRCRAFT RETURNED TO AIRPORT LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT AND PERFORMED AD 2009-06-12. THE LEFT BPSU WAS REMOVED AND REPLACED AND OPERATION CHECKS WERE PERFORMED USING AIRCAFT MANUALS. AIRCRAFT WAS RELEASED FOR SERVICE.