# SDR ASAA2018071625418

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2018
- Submitted: July 17, 2018
- Operation: Air carrier
- Aircraft: [N409AS](https://openairdocs.org/aircraft/N409AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41733
- Aircraft time: 22,095 hours, 7,315 cycles
- System (JASC): [3442 · Weather Radar System](https://openairdocs.org/jasc/3442)
- Part: Control Panel
- Part number: 6225129802
- Part serial: 4152CR
- Condition: Failed
- Location: Cockpit
- Part time: 16,596 hours, 5,501 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018071625418

## Discrepancy

WEATHER RADAR "AUTO' SELECTOR DOES NOT KEEP WX RADAR IN AUTO MODE. WITH AUTO SELECTED WXR (-1) M OR MANUAL MODE IS SHOWN ON NAV DISPLAY INSTEAD OF WX AND THE TILT AND "A" FOR AUTO. GROUNDED - YES. R&R WX RADAR CONT PANEL PER 34-43-91, SYS OPS CKS NML PER SAME.

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