What was found
DFCS MODE CONTROL PANEL COURSE AND HEADING WINDOWS DON'T DIM OR BRIGHTEN WHEN ADJUSTED. GROUNDED - YES. REPLACED DFCS MODE CONTROL PANEL ALL INSTALLATION TESTS PASS REF B737-800 AMM 22-11-34-400-801. GROUND VERIFICATION SUCCESSFUL.
- Difficulty date
- April 27, 2021
- Submitted
- April 29, 2021
- Operation
- Air carrier
- Aircraft
- N581AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35188
- Aircraft time
- 49,427 hours, 14,720 cycles
- System (JASC)
- 2210 · Autopilot System
- Part
- Control Panel
- Part number
- 4082260939
- Part serial
- 99021657
- Condition
- Malfunctioned
- Location
- Flight Compartme
- Part time
- 62,206 hours, 29,310 cycles
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.