# SDR HALA0700539

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 2007
- Submitted: December 24, 2007
- Operation: Air carrier
- Aircraft: N590HA
- Make and model: Boeing 767-3CB
- Registry model: [Boeing 767-3CB](https://openairdocs.org/model/boeing-767-3cb) (OpenAirDocs)
- Aircraft serial: 33467
- Aircraft time: 19,522 hours, 3,733 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Coupler
- Part number: 9460453011
- Part serial: FK51601062
- Condition: Damaged
- Location: Hf Transceiver
- 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/HALA0700539

## Discrepancy

ETOPS SIGNIFICANT SYSTEM, LEFT SIDE HF EICAS MESSAGE HF DATA LINK DISPLAYED, UNABLE TO CHANNEL.  REPLACED NR 1 HF COUPLER PER AMM 23-11-00.  GRD OPS CHECK AND TEST OKAY.

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