What was found
FMC DISAGREE, ACFT GROUNDED. RAN QRH, MESSAGE DISAPPEARED
- Difficulty date
- October 8, 2017
- Submitted
- October 9, 2017
- Operation
- Air carrier
- Aircraft
- N471AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41703
- Aircraft time
- 12,134 hours, 4,027 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Fmc
- Condition
- Unknown
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.