Service difficulty report · Control Module · Boeing 737890
FAA SDR system
- Difficulty date
- November 5, 2022
- Submitted
- November 7, 2022
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 36578
- Aircraft time
- 44,700 hours, 13,049 cycles
- Part
- Control Module
- Part number
- 4082260939
- Part serial
- 01032428
- Condition
- Faulted
- Location
- Course Selector
- Part time
- 3,725 hours, 1,076 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCP F/O COURSE SELECTOR DISPLAY - THIRD DIGIT 5 INDICATES "9" 6 INDICATES "8". F/O OUTBOARD DISPLAY UNIT INDICATES CORRECT COURSE SELECTED. GROUNDED - YES. REMOVED AND REPLACED DFCS MODE CONTROL PANEL. OPS CHECK GOOD. REF B737-800 AMM 22-11-34/401. ALL REQUIRED LLM MAINTENANCE TESTS ACCOMPLISHED.