What was found
MCP ALTITUDE SELECTOR SELECTS ERRONEOUS ALTITUDES PLUS/MINUS 3000 FEET WHEN TURNING. REMOVED AND REPLACED MCP IAW AMM 22-11-02. PERFORMED MCDP GROUND TEST, 30-40 TEST PASS, NO FAULTS NOTED.
- Difficulty date
- February 7, 2026
- Submitted
- February 9, 2026
- Operation
- Air carrier
- Aircraft
- N642GT
- Make and model
- Boeing 7673Y0
- Aircraft serial
- 26207
- Aircraft time
- 88,804 hours, 25,768 cycles
- System (JASC)
- 2210 · Autopilot System
- Part
- Control Panel
- Part number
- 6228780103
- Part serial
- 1427
- Condition
- Faulted
- Location
- Zone 200
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.