SDR ASAA2023022242038

Service difficulty report · Unknown · Boeing 7379

Difficulty date: February 22, 2023
Submitted: February 23, 2023
Operation: Air carrier
Aircraft: N953AK
Make and model: Boeing 7379
Aircraft serial: 44103
Aircraft time: 986 hours, 292 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Unknown
Part number: UNKNOWN
Condition: Unknown
Location: Unknown
Stage of operation: NR
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.

What was found

FO'S MCDU SCREEN IS FROZEN ON MENU PAGE. BUTTONS APPEAR TO FUNCTION BASED ON CA MCDU, HOWEVER FO'S PAGE DOES NOT CHANGE. ON ARRIVAL AFTER FLAPS WERE SET TO 1, THE FO'S MCDU BECAME 'ACTIVE' AND FUNCTIONED NORMALLY REMAINDER OF FLIGHT. GROUNDED - YES. CYCLED POWER TO F/O'S MCDU AND LRU OPS TESTS NORMAL REF B737-9 AMM 34-61-01-400/802.

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