# SDR HEEA072360

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2001
- Submitted: May 7, 2001
- Operation: General aviation
- Aircraft: N5759N
- Make and model: Bell 412
- Registry model: [Bell 412](https://openairdocs.org/model/bell-412) (OpenAirDocs)
- Aircraft serial: 33002
- System (JASC): [3445 · Air Collision Avoidance System](https://openairdocs.org/jasc/3445)
- Part: Radar
- Part number: MI585200
- Part serial: 2289
- Condition: Failed
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA072360

## Discrepancy

PICTURE SCREEN SIZE FLUCTUATES AND ERRATIC. PERFORMED PRELIMINARY INSPECTION. TROUBLESHOT AND FOUND BAD HIGH VOLTAGES.  REPLACED Q604 AND Q605.  REPAIRED HIGH VOLTAGE PROBLEM.  DISPLAY SLIGHTLY DISTORTED, REPLACED STABILIZATION BOARD, REPAIRED.  BENCH CHECK GOOD.

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