Service difficulty report · Unknown · Boeing 737990ER

Difficulty date
September 13, 2019
Submitted
September 16, 2019
Operation
Air carrier
Aircraft
N471AS
Make and model
Boeing 737990ER
Aircraft serial
41703
Aircraft time
19,953 hours, 6,432 cycles
Part
Unknown
Condition
Malfunctioned
Location
Fmc
Stage of operation
NR
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

LEFT FMC FAILED. RAN QRC OPERATED REMAINDER OF FLIGHT ON RIGHT FMC. GROUNDED - YES. PERFORMED FIM 34-61 TASK 801, LT FMC SHOWS MMR L&R GPS. PERFORMED FIM 34-61 TASK 834, PERFORMED MMR BITE TEST REF FIM 34-31 TASK 801. NO FAULT NOTED AT THIS TIME.