As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSTALLED .0 TIME SINCE FACTORY MODIFIED NR 2R FLAP ACTUATOR AS PART OF COMPLIANCE WITH MFG MSB. (FLAP FAIL) ANNUNCIATOR ILLUMINATED AFTER INSTALLATION. FLAP SYSTEM TROUBLESHOOTING SHOWED FAULT CODES 3, 8 AND THEN 1,3, 8. ANNUNCIATOR NOT ILLUMINATED AFTER REINSTALLING ORIGINAL ACTUATOR. REPLACED ACTUATOR WITH MODIFIED ACTUATOR, NO ADDITIONAL (FLAP FAIL) ANNUNCIATOR INDICATIONS NOTED. (K)