What was found
DUAL FMC FAILURE WITH VTK & MAP FLAGS WHILE IN ETOPS AIRSPACE. SYS'S RESTORED AUTOMATICALLY AFTER A FEW MINUTES. GROUNDED - YES. BOTH FMC'S LOGGED FAIL LAST FLIGHT - SYS OPS OK. NO HISTORY.
- Difficulty date
- August 11, 2019
- Submitted
- August 14, 2019
- Operation
- Air carrier
- Aircraft
- N467AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36362
- Aircraft time
- 20,573 hours, 6,813 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Fmc
- Condition
- Failed
- Location
- Dual
- Stage of operation
- CR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.