What was found
EARLY IN TAKEOFF ROLL LNAV &VNAV DISCONNECTED. BOTH WERE RE-ENGAGED AT ABOUT 500FT AND WORKED NORMALLY FOR REMAINDER OF FLIGHT. GROUNDED - YES. PERFORMED FIM 34-61 TASK 834. OPS TEST CHECKS GOOD. OK FOR SERVICE.
- Difficulty date
- August 2, 2023
- Submitted
- August 4, 2023
- Operation
- Air carrier
- Aircraft
- N464AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 40714
- Aircraft time
- 35,061 hours, 10,857 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- TO
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.