What was found
MCP IAS/MACH WINDOW WILL NOT CHANGE IN FLIGHT REQUIRING CREW TO FLY RNAV APPROACH. GROUNDED - YES. RMVD AND INSTALLED NEW MCP. REF B737-800 22-11-34.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MCP IAS/MACH WINDOW WILL NOT CHANGE IN FLIGHT REQUIRING CREW TO FLY RNAV APPROACH. GROUNDED - YES. RMVD AND INSTALLED NEW MCP. REF B737-800 22-11-34.