Service difficulty report · Fmc · Boeing 7378

Difficulty date
July 12, 2024
Submitted
July 15, 2024
Operation
Air carrier
Aircraft
N27255
Make and model
Boeing 7378
Aircraft serial
43440
Aircraft time
9,940 hours, 3,452 cycles
Part
Fmc
Condition
Faulted
Stage of operation
CR
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

DUAL FMC RESET AT TOD 12NM W OF SLT. FMC RESTORED IN APPROX 30 S ECONDS REQUEST MEL FOR #1 FMC. PLACED #1 FMC ON ME PLACED IN #2 POSTION. STICKER INSTALLED. DISPATCH DESK: 22 NAME: RW DATE: 12-JUL-24- NOC DESK: MAX NAME: KB DATE: 12-JUL-24- TOMC APPROVED FOR MEL 3461M MAINTENANCE MESSAGE 39-69001 NEEDED. PERFORMED FMC OPS TEST WITH REF TO AMM 34-61-00-710-801 NO *DM* DUE TO MSG 34-69001, SUGGEST FIM 34-61 TASK 836, SEE M/L FAULTS FOUND. INTERROGATED FAULT HISTORY ON OMF AND FOUND FOR FMC 1 M1175, FMCS TRANSFER RELAYS R00475, & R00476, AS.

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