# SDR ASAA2017111522601

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 15, 2017
- Submitted: November 17, 2017
- Operation: Air carrier
- Aircraft: [N486AS](https://openairdocs.org/aircraft/N486AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44107
- Aircraft time: 8,700 hours, 2,916 cycles
- System (JASC): [3442 · Weather Radar System](https://openairdocs.org/jasc/3442)
- Part: Drive Unit
- Part number: 6225135822
- Part serial: 4703CG
- Condition: Failed
- Location: Wx Radar
- Part time: 8,691 hours, 2,912 cycles
- Stage of operation: NR
- 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/ASAA2017111522601

## Discrepancy

WEATHER RADAR FAILED.  ACFT GROUNDED.  PERFORMED A WEATHER RADAR SYS BITE IAW FIM 34-43, TASK 801. ANTENNA FAULT DISPLAYED.  REMOVED AND REPLACED THE WEATHER RADAR ANTENNA DRIVE UNIT IAW AMM 34-43-11. WEATHER RADAR SYSTEM OPS TESTED GOOD IAW AMM 34-43-00.

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