What was found
PWS FAIL MESSAGE ON NAV DISPLAY, CLEARED ON LANDING. GROUNDED - YES. FOLLOWED PREDICTIVE WINDSHEAR SYSTEM B737-900 FIM 34-43 TASK 815. PERFORMED INITIAL EVALUATION WEATHER RADAR BITE FIM 34-43 TASK 801 BITE CHECK PASSED.
- Difficulty date
- March 2, 2023
- Submitted
- March 6, 2023
- Operation
- Air carrier
- Aircraft
- N433AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41704
- Aircraft time
- 34,606 hours, 10,952 cycles
- System (JASC)
- 3440 · Independent Position Determining System
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.