What was found
TRANSITORY L FMC FAILURE FOR APPROXIMATELY 3 MIN. GROUNDED - YES. REF B737-800 FIM 34-61 TASK 801 FOUND WATCHDOG TIMER FAULT ON LEG 1 BOTH L AND R FMC LOGGED FAULT. PER FIM FAULT WAS INTERMITTENT FMC OPS TEST OK.
- Difficulty date
- January 7, 2022
- Submitted
- January 11, 2022
- Operation
- Air carrier
- Aircraft
- N560AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35179
- Aircraft time
- 56,422 hours, 16,908 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.