What was found
MIDWAY THOUGH THE FLIGHT VNAV DISCONNECT ROUTE DUMPED FROM THE FMC BOTH SIDES - REBUILT ROUTE NO FURTHER PROB. GROUNDED - YES. REF. B737-900ER FIM 34-61 TASK 836. PERFORMED FMC RESET OPS TEST NORMAL.
- Difficulty date
- October 4, 2021
- Submitted
- October 6, 2021
- Operation
- Air carrier
- Aircraft
- N409AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41733
- Aircraft time
- 31,495 hours, 10,153 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- CR
- 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.