What was found
IN FLIGHT HAD 20 SECOND VTAK & MAP FLAGS #1 SIDE, RESOLVED ON ITS OWN WITHOUT MOVING FMC SWITCH. GROUNDED - YES. PERFORMED RESET OF BOTH FMC COMPUTERS OPS CHECK GOOD IN ACCORDANCE WITH B737-9 AMM 34-61-00-710-801.
- Difficulty date
- December 24, 2022
- Submitted
- December 27, 2022
- Operation
- Air carrier
- Aircraft
- N920AK
- Make and model
- Boeing 7379
- Aircraft serial
- 44086
- Aircraft time
- 4,500 hours, 1,343 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Warning Flag
- Condition
- False Indication
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.