What was found
FIRST OFFICER`S COURSE SELECTOR DISPLAY DOES NOT ILLUMINATE. ACFT GROUNDED. VERIFIED DISCREPANCY IAW AMM 22-11-34. REMOVED & REPLACED DFCS MODE CONTROL PANEL. MCP TESTED NORMAL IAW AMM.
- Difficulty date
- December 17, 2017
- Submitted
- December 19, 2017
- Operation
- Air carrier
- Aircraft
- N596AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35688
- Aircraft time
- 36,752 hours, 11,197 cycles
- System (JASC)
- 2210 · Autopilot System
- Part
- Control Panel
- Part number
- 4082260939
- Part serial
- 98031336
- Condition
- Failed
- Location
- Course Selector
- Part time
- 49,419 hours, 24,377 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.