# SDR TSAA0623111

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 26, 2006
- Submitted: November 28, 2006
- Operation: Air carrier
- Aircraft: [N738AL](https://openairdocs.org/aircraft/N738AL), registered now
- Make and model: Boeing 737-73A
- Registry model: [Boeing 737-73A](https://openairdocs.org/model/boeing-737-73a) (OpenAirDocs)
- Aircraft serial: 28499
- Aircraft time: 24,243 hours, 6,453 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Radio
- Condition: Failed
- Location: Hf System
- 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/TSAA0623111

## Discrepancy

FLIGHT 478 KOA-OAK - DURING CRUISE FLIGHT, CREW NOTED THE NR 2 HF RADIO WOULD NOT TRANSMIT VOICE.  CREW CONTINUED TO OAK WITHOUT FURTHER INCIDENT.  MAINTENANCE PERFORMED A BITE CHECK AND AN OPERATIONAL CHECK WITH NO FAULT FOUND PER AMM 23-11-00.  AIRCRAFT WAS RELEASED FOR SERVICE AND A SUCCESSFUL FLIGHT VERIFICATION WAS COMPLETED ON THE NEXT FLIGHT LEG.

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