What was found
DURING APP PHASE OF FLIGHT, FMC DISAGREE - VERTICAL DISPLAYED ON FMC SCRATCH PAD. GROUNDED - YES. NO LOGGED FAULTS - BOTH FMC'S OP OK.
- Difficulty date
- October 12, 2022
- Submitted
- October 14, 2022
- Operation
- Air carrier
- Aircraft
- N479AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 60576
- Aircraft time
- 25,765 hours, 8,033 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Fmc
- Part number
- UNKNOWN
- Condition
- Faulted
- Location
- Unknown
- Stage of operation
- AP
- 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.