# SDR CALA2024073000315

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2024
- Submitted: July 30, 2024
- Operation: Air carrier
- Aircraft: [N37434](https://openairdocs.org/aircraft/N37434), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 33528
- Aircraft time: 44,135 hours, 15,828 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Hf Comm
- Condition: Faulted
- Location: Nr 1
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2024073000315

## Discrepancy

HF 1 RADIO RECEPTION AND TRANSMISSION PROBLEM AT ALL STATIONS UNABLE TO TRANSMIT ON HF1 OR HF2 PERFORMED SYSTEM TEST REF AMM HF COMMUNICATION SYSTEM - SYSTEM TEST REFERENCE: TASK 23-11-00-730-801. OPS GOOD TRANMISSION AND RECEIVE CLEAR.

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