# SDR HALA2009030200074

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 2009
- Submitted: March 3, 2009
- Operation: Air carrier
- Aircraft: [N583HA](https://openairdocs.org/aircraft/N583HA), registered now
- Make and model: Boeing 767-33A
- Registry model: [Boeing 767-33A](https://openairdocs.org/model/boeing-767-33a) (OpenAirDocs)
- Aircraft serial: 25531
- Aircraft time: 73,759 hours, 13,457 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Coupler
- Part number: 9640453011
- Part serial: 0209
- Condition: Defective
- Location: Hf Comm
- Part time: 23,765 hours, 4,543 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2009030200074

## Discrepancy

ETOPS SIGNIFICANT SYSTEM - FIM 23110701 NR 1 HF RADIO VOICE MODE WILL NOT CHANNELIZE.  DATA MODE WORKS INTERMITTENTLY.  NR 2 HF DID NOT WORK IN DATA MODE.  REMOVED & REPLACED NR 1 HF COUPLER PER AMM23-11-01.  REPLACED NR 1 HF XCVR.  OPS CHECK OK PER MM 23-11-01.

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