Service difficulty report · Fmc · Boeing 737990ER

Difficulty date
August 21, 2018
Submitted
September 5, 2018
Operation
Air carrier
Aircraft
N467AS
Make and model
Boeing 737990ER
Aircraft serial
36362
Aircraft time
16,706 hours, 5,617 cycles
Part
Fmc
Part number
1762000101
Part serial
000401
Condition
Failed
Location
E&E Bay
Part time
43,273 hours, 13,982 cycles
Stage of operation
NR
How discovered
O
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

NO FMC PROMPTS ON FMCDU MENU PAGE. GROUNDED - YES. REMOVED AND REPLACED NR 1 FMC PER AMM 34-61-02. PERFORMED SOFTWARE CROSSLOAD FROM NR 2 FMC. MOVED FMC SWITCH TO NORMAL. OPS TEST GOOD. GROUND VERIFICATION NORMAL.