As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCP SPEED FROZEN WHEN SPEED WINDOW IS OPEN. ACFT GROUNDED. NR 9 SPOILER POSITION SENSOR "A" & "B" CHANNELS SPREAD BETWEEN VALUES TOO WIDE. REPLACED NR 9 SPOILER POSITION SENSOR, ADJUSTED, AND TESTED. TESTS PASS. REF AMM 22-11-27-400-801, 22-11-27-820-801 & 22-11-27-710-801. ACCOMPLISHED LAND VERIFY TEST GROUP NR 49, ALL TESTS PASS REF AMM 22-11-00/201.