# SDR HEEA079930

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 3, 2002
- Submitted: July 8, 2002
- Operation: Air carrier
- Aircraft: N407PH
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53003
- Aircraft time: 6,922 hours
- System (JASC): [3452 · ATC Transponder System](https://openairdocs.org/jasc/3452)
- Part: Resistor
- Condition: Deteriorated
- Location: Transceiver
- Component: Transceiver
- Component part number: 066106200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA079930

## Discrepancy

DISPLAYS ERRONEOUS CODES. CLEAN SWITCH BOARD ASSY, REPAIRED, REPLACED R477 RESISTOR WHICH WAS DETERIORATED.  ADJUSTED FREQUENCY, POWER AND PULSE WIDTH.  BENCH CHECK GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.