What was found
DUAL FMC FAILURE DURING CRUISE TWICE. FMC - R OPERATIONS WORKED FOR 15 MINS THEN RESTORED DUAL FMC OPERATIONS. GROUNDED - YES. ACCOMPLISHED FIM 34-61 TASK 836 BOTH FMC OPS. CHECKED OK.
- Difficulty date
- March 25, 2019
- Submitted
- March 27, 2019
- Operation
- Air carrier
- Aircraft
- N469AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41702
- Aircraft time
- 18,417 hours, 6,088 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Fmc
- Condition
- Malfunctioned
- Location
- Cockpit
- Stage of operation
- CR
- 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.