As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/O'S COURSE SELECTOR INTERMITTENTLY WILL NOT SELECT 163 DEGREES. GROUNDED - YES. CONFIRMED. REMOVED & REPLACED DFCS MODE CONTROL PANEL, REF AMM 22-11-34. OPS NORMAL PER SAME. DFCS LRU INTERFACE TEST BITE NR 32 AND LAND VERIFY NR 49 GOOD, REF AMM 22-11-00. HGS SENSOR TEST FOR FCC / AT GOOD, REF SMM 34-36-00. A/C REMAINS CAT IIIA AUTOLAND-HGS QUALIFIED. LWMP STATUS PLACARD CHECKED. STATUS SCREW IS IN CAT IIIA - HGS QUALIFIED POSITION.