# SDR ASAA2012080292657

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2012
- Submitted: August 6, 2012
- Operation: Air carrier
- Aircraft: [N565AS](https://openairdocs.org/aircraft/N565AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 21,816 hours, 6,765 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [3442 · Weather Radar System](https://openairdocs.org/jasc/3442)
- Part: Radar
- Condition: Malfunctioned
- Location: Weather Radar
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2012080292657

## Discrepancy

WEATHER RADAR TILT APPEARS TO NEED CALIBRATION.  NEED 4 DOWN TILT TO SHOW GROUND RETURN AT 80 MILES VERSUS 1 DOWN TILT NORMALLY.  ACFT GROUNDED. PERFORMED WEATHER RADAR SYS TEST IAW AMM 34-43-00.  UNABLE TO DUPLICATE DEFECT.  ALL GROUND FUNCTIONAL TESTS PASS NO HISTORY 30 DAYS.

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