Service difficulty report · Computer · Boeing 74747UF

Difficulty date
March 3, 2015
Submitted
March 3, 2015
Operation
Air carrier
Aircraft
N416MC
Make and model
Boeing 74747UF
Aircraft serial
32838
Aircraft time
56,603 hours, 9,131 cycles
Part
Computer
Part number
4052508952
Part serial
0207A689
Condition
Malfunctioned
Location
Fmc
Part time
26,000 hours, 4,307 cycles
Stage of operation
CR
How discovered
O
Nature of condition
G
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 FAILURE FOLLOWED BY RESYNC. ABLE TO ESTABLISH FMC OPERATION NORMAL. DISP NOTIFIED. R & R RT FLIGHT MANAGEMENT COMPUTER AND INSTALLED FMC SOFTWARE THEN GROUND TEST PASSED IAW AMM 34-61-01/401. PERFORMED BOTH FMC LT AND RT GROUND TEST PASS IAW AMM 34-61-00/501, AUTOLAND UNIQUE TEST PASSED IAW AMM 27-00-00/501.

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