What was found
WX RADAR FAILED IN FLIGHT AT 340. GROUNDED - YES. L/H & R/H AUTO-THROTTLE SWITCHPACK REPLACED DUE TO BAD SWITCH. (REF ASA L/P 60376825) WXR PASSED OPS CHECKS REF B737 AMM 76-11-07.
- Difficulty date
- November 5, 2022
- Submitted
- November 8, 2022
- Operation
- Air carrier
- Aircraft
- N403AS
- Make and model
- Boeing 737900ER
- Aircraft serial
- 41730
- Aircraft time
- 37,210 hours, 11,892 cycles
- System (JASC)
- 3442 · Weather Radar System
- Part
- Switchpack
- Part number
- 254A115014
- Part serial
- 1195
- Condition
- Failed
- Location
- Wx Radar Sys
- Part time
- 1,163 hours, 354 cycles
- Stage of operation
- CR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.