SDR K11A2025120200361

Service difficulty report · Control Panel · Boeing 7374Q8

Difficulty date: December 2, 2025
Submitted: December 3, 2025
Operation: Air carrier
Aircraft: N403CK
Make and model: Boeing 7374Q8
Aircraft serial: 26280
Aircraft time: 60,670 hours, 37,057 cycles
System (JASC): 3400 · Navigation System
Part: Control Panel
Condition: Faulted
Location: Zone 200
Stage of operation: CR
How discovered: O
Nature of condition: G
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

MODE CONTROL PANEL FROZE IN FLIGHT, WITHOUT THE ABILITY TO CHANGE ANY MODE (COURSE) ALT, HLD, SPEED, N1, HDG SEL, LNAV, VNAV, FD MASTER SIDE. AUTO THROTTLE CONTINUED TO WORK. AUTO PILOT A OR B WOULD NOT ENGAGE. AWAITING TROUBLESHOOTING. OPEN

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