What was found
VNAV MODES ON FMC NOT POPULATING PERF DATA. GROUNDED - YES. PLACED PROBE HEAT IN AUTO VNAV INFO LOADED FMC SYSTEM BACK TO NORMAL. IAW B737-800 AMM 34-61-00-710-801.
- Difficulty date
- August 16, 2022
- Submitted
- August 18, 2022
- Operation
- Air carrier
- Aircraft
- N531AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35199
- Aircraft time
- 43,292 hours, 12,513 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Probe
- Part number
- UNKNOWN
- Condition
- Faulted
- Location
- Unknown
- Stage of operation
- NR
- 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.