What was found
HEADING SELECT KNOB INTERMITTENTLY DOES NOT MOVE CURSOR WHEN ROTATED. ACFT GROUNDED. VERIFIED DEFECT, REMOVED AND REPLACED MCP, IAW AMM 22-11-34. OPS CHECKED NORMAL. ALL LLM TESTS PASSED.
- Difficulty date
- August 10, 2017
- Submitted
- August 11, 2017
- Operation
- Air carrier
- Aircraft
- N471AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41703
- Aircraft time
- 11,478 hours, 3,794 cycles
- System (JASC)
- 2210 · Autopilot System
- Part
- Control Panel
- Part number
- 8221567102
- Part serial
- 16GVRM
- Condition
- Failed
- Location
- Flight Deck
- Part time
- 32,923 hours, 12,117 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.