What was found
BOTH WEATHER RADAR UNITS FAILED. EMERGENCY DECLARED, RETURNED TO DEPARTURE. REMOVED AND REPLACED WEATHER RADAR TRANSCEIVER IAW AMM 34-43-01 AND WEATHER RADAR ANTENNA IAW AMM 34-43-05. OPS CHECKED GOOD. AIRCRAFT WAS GROUNDED.
- Difficulty date
- April 26, 2017
- Submitted
- April 28, 2017
- Operation
- Air carrier
- Aircraft
- N191AN
- Make and model
- Boeing 757223
- Aircraft serial
- 32385
- System (JASC)
- 3442 · Weather Radar System
- Part
- Antenna
- Part number
- CTY1543
- Part serial
- 1657
- Condition
- Failed
- Location
- Wx Radar
- Part time
- 21,381 hours, 3,384 cycles
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.