# SDR HEEA979080

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N2251A](https://openairdocs.org/aircraft/N2251A), registered now
- Make and model: Bell 206L-1
- Registry model: [Bell 206L-1](https://openairdocs.org/model/bell-helicopter-textron-206l-1) (OpenAirDocs)
- Aircraft serial: 45755
- System (JASC): [3453 · Long-Range Navigation (LORAN) System](https://openairdocs.org/jasc/3453)
- Part: Ml4000
- Part number: 250011940022
- Condition: Failed
- Location: Cockpit
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA979080

## Discrepancy

INSTALLED UNIT IN AIRCRAFT AND TURNED ON POWER.  THREE OF THE FUNCTION LIGHTS ILLUMINATED THEN WENT OUT AFTER A FEW SECONDS.  THE DISPLAY WINDOW NEVER DID LIGHT UP.  IT WAS VERIFIED THAT UNIT WAS GETTING POWER. REPLACED 2 EACH REAR TRANSISTORS.  REPAIRED PROBLEM.  BENCH CHECK GOOD.

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