# SDR AMTA200600447

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2006
- Submitted: August 8, 2006
- Operation: Air carrier
- Aircraft: N323TZ
- Make and model: Boeing 737-83N
- Registry model: [Boeing 737-83N](https://openairdocs.org/model/boeing-737-83n) (OpenAirDocs)
- Aircraft serial: 30033
- System (JASC): [2397 · Communications System Wiring](https://openairdocs.org/jasc/2397)
- Part: Coupler
- Part number: 9640453011
- Part serial: FK51601125
- Condition: Unserviceable
- Location: Hf Radio
- Stage of operation: CR
- 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/AMTA200600447

## Discrepancy

RECEPTION ON BOTH HF RADIOS GARBLED AND COMPLETELY UNREADABLE ON ALL FREQ`S.  REMOVED AND REPLACED NR 1 HF COUPLER OPS CHECK GOOD IAW MM.  NR 2 HF OPS CHECK GOOD ON GROUND.  (K)

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