What was found
MULTIPLE LEFT FMC FAILURES FOLLOWED BY A DUAL FMC FAILURE. RESTORED BY CHECKLIST. GROUNDED - YES. SYS LOGGED PGRM FAULT ACCOMPLISHED TASK 34-61-807 . SYS OPS OK.
- Difficulty date
- January 15, 2020
- Submitted
- January 18, 2020
- Operation
- Air carrier
- Aircraft
- N453AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36354
- Aircraft time
- 23,932 hours, 7,664 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Unknown
- Condition
- Malfunctioned
- Location
- Fmc
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.