# SDR AALA202506200082

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 18, 2025
- Submitted: June 20, 2025
- Operation: Air carrier
- Aircraft: [N726AN](https://openairdocs.org/aircraft/N726AN), registered now
- Make and model: Boeing 777323ER
- Aircraft serial: 31550
- Aircraft time: 468,995 hours, 5,445 cycles
- System (JASC): [3442 · Weather Radar System](https://openairdocs.org/jasc/3442)
- Part: Drive Unit
- Part number: 6225136802
- Part serial: 41515H
- Condition: Failed
- Location: Wx Radar
- Part time: 46,907 hours, 5,446 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202506200082

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: BOTH WX RADAR INDICATE FAIL OF MFD. BOTH L AND R SYSTEMS IN FLIGHT. DECESION MADE TO RETURN TO JFK, EMERGENCY DECLARED. AIRCRAFT LANDED OVERWEIGHT AND WITHOUT INCIDENT. MAINTENANCE REPLACED WXR DRIVE UNIT AS PER M/M 34-43-03.

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