As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIRST OFFICER COURSE WINDOW BLANKED. COURSE ON ND WORKS NORMAL. ACFT GROUNDED. REMOVED AND REPLACED MCP IAW AMM 22-11-34-000-801 AND 22-11-34-400-801. PERFORMED MCP INSTALLATION TEST IAW AMM 22-11-34-400-801. DFCS LRU REPLACEMENT TEST FOR MCP IAW AMM 22-11-00/201. ALL TESTS PASSED.