What was found
LEFT FMC FAIL INDICATIONS FOR 1 MINUTE AND BOTH CDUS WENT TO MENU PAGE WITH FMC PROMPT GONE. AFTER 1 MINUTE EVERYTHING RETURNED TO NORMAL. ACFT GROUNDED. BOTH FMC SHOW L FMC 1 FAIL INFLIGHT. BOTH FMC TEST GOOD. NO DEFECTS FOUND.
- Difficulty date
- November 6, 2017
- Submitted
- November 8, 2017
- Operation
- Air carrier
- Aircraft
- N467AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36362
- Aircraft time
- 13,756 hours, 4,592 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Fmc
- Condition
- Malfunctioned
- Location
- Left
- 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.