What was found
DUAL FMC FAILURE JUST AFTER STARTING DESCENT. BOTH FMC'S RECOVERED WITHIN APPROX 30 SECONDS. GROUNDED - YES. PERFORMED FIM 34-61 TASK 807 & 836. DUAL FMC IS RESTORED & GROUND VERIFICATION CK GOOD. NO HISTORY OF FAULT LAST 30 DAYS.
- Difficulty date
- January 22, 2018
- Submitted
- January 23, 2018
- Operation
- Air carrier
- Aircraft
- N592AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35190
- Aircraft time
- 38,332 hours, 11,675 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Fmc
- Condition
- Malfunctioned
- Stage of operation
- DE
- 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.