What was found
RIGHT FMC FAILED THEN RECOVERED THEN FAILED AGAIN LOT OF SWITCHING BETWEEN LEFT AND RIGHT. GROUNDED - YES. FMC 1 LOGGED PGM FAULT RT FMC LOGGED RESYNC. LT & RT FMC SYSTEMS OPS CHK NORMAL PER B737-800 AMM 34-61-00-710-801.
- Difficulty date
- February 18, 2021
- Submitted
- February 23, 2021
- Operation
- Air carrier
- Aircraft
- N560AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35179
- Aircraft time
- 53,534 hours, 16,020 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Fmc
- Condition
- Malfunctioned
- Location
- Right
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.