What was found
FMC DISAGREE - VERTICAL ON BOTH CDU SCRATCH PADS. FLASHED 3 TIMES ON DESCENT. WENT AWAY BEFORE LANDING. GROUNDED - YES. PERFORMED FMC SYSTEM OPS CHECK NO FAULTS IAW B737-800 AMM 34-61-00-710-801.
- Difficulty date
- June 14, 2023
- Submitted
- June 15, 2023
- Operation
- Air carrier
- Aircraft
- N590AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35687
- Aircraft time
- 55,780 hours, 16,628 cycles
- System (JASC)
- 3400 · Navigation System
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- DE
- 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.