# SDR ASAA2023061343560

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 13, 2023
- Submitted: June 14, 2023
- Operation: Air carrier
- Aircraft: [N442AS](https://openairdocs.org/aircraft/N442AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 43293
- Aircraft time: 35,621 hours, 11,230 cycles
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: CR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023061343560

## Discrepancy

RADAR TILT SEEMS TO BE INACCURATE. IN MANUAL MODE, -2 DEG TILT RETURNS GROUND CLUTTER AT 80 NM AT FL 330. GROUNDED - YES. PERFORMED WEATHER RADAR SYS BITE CK REF B737-900 FIM 34-43 TASK 801. OPS CK GOOD, NO DISCREPANCIES NOTED.

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