What was found
UPPER YAW DAMP FAIL (A-B) ILLUMINATED AFTER TAKE-OFF. REPLACED B SYSTEM YSAC COMPUTER, IAW 750 MM CH 27-29-01, OP'S CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UPPER YAW DAMP FAIL (A-B) ILLUMINATED AFTER TAKE-OFF. REPLACED B SYSTEM YSAC COMPUTER, IAW 750 MM CH 27-29-01, OP'S CHECK GOOD.