Service difficulty report · Fmc · Boeing 7474H6F

Difficulty date
September 3, 2025
Submitted
September 4, 2025
Operation
Air carrier
Aircraft
N430GT
Make and model
Boeing 7474H6F
Aircraft serial
28434
Aircraft time
61,240 hours, 61,590 cycles
Part
Fmc
Part number
4052508960
Part serial
45615983
Condition
Faulted
Location
Left
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

ONE HOUR, THREE MINUTES INTO FLIGHT, BOTH ND'S HAVE YELLOW MAP FAULT DISPLAYED. NO ROUTE OR MAGENTA LINE SHOWN, EIU SOURCE SEL AND CTR C/B CYCLED. REPLACED LT FMC PER AMM 34-61-01, TESTED GOOD IAW AMM 34-61-00 & IPC 34-61-01.

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