What was found
IN STABLE LEVEL FLIGHT AT FL340, EXPERIENCED BRIEF RIGHT FMC FAILURE. SYSTEM RECOVERED ON ITS OWN. GROUNDED - YES. PERFORMED MAINTENANCE BITE TEST ON FMCS, NO MAINTENANCE MESSAGES PRESENT.
- Difficulty date
- April 7, 2022
- Submitted
- April 11, 2022
- Operation
- Air carrier
- Aircraft
- N491AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44109
- Aircraft time
- 23,670 hours, 7,493 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- CR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.