- Difficulty date
- January 11, 2019
- Submitted
- January 15, 2019
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35184
- Aircraft time
- 44,892 hours, 13,710 cycles
- Part
- Transceiver
- Part number
- 8221710312
- Part serial
- 40G49G
- Condition
- Failed
- Location
- Weather Radar
- Part time
- 20,120 hours, 5,838 cycles
- Stage of operation
- NR
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WX RADAR WILL NOT TEST IN "TEST" MODE. "WX STAB AND WXR RANGE DISAGREE MESSAGES APPEAR ON MAP DISPLAY. GROUNDED - YES. REMOVED & REPLACED WEATHER RADAR RECEIVER/TRANSMITTER IAW AMM 34-43-41-000-801 & 34-43-41-401-801. PERFORMED OPS CHECK IAW AMM 34-43-00-710-802-001, OPS CHECK GOOD. GROUND VERIFICATION SUCCESSFUL.