Service difficulty report · Fmc · Boeing 737990ER

Difficulty date
July 15, 2019
Submitted
July 18, 2019
Operation
Air carrier
Aircraft
N468AS
Make and model
Boeing 737990ER
Aircraft serial
41735
Aircraft time
19,977 hours, 6,538 cycles
Part
Fmc
Part number
1762000101
Part serial
008770
Condition
Failed
Location
E&E Bay
Part time
17,304 hours, 5,525 cycles
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

SINGLE FMC FAILURE (RT). GROUNDED - YES. R/H FMC SHOWS NUMEROUS INFLT FAULTS. REMOVED & REPLACED RT FMC COMPUTER REF AMM 34-61-02-400/801 OPS & GROUND VERIFICATION CK GOOD. SOFTWARE & PERF FACTOR CK GOOD.