# SDR NACA2021051800001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 14, 2021
- Submitted: May 18, 2021
- Operation: Air carrier
- Aircraft: [N321CM](https://openairdocs.org/aircraft/N321CM), registered now
- Make and model: Boeing 767323
- Aircraft serial: 29431
- Aircraft time: 81,099 hours, 13,469 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Transceiver
- Part number: 6225272001
- Part serial: 6653
- Condition: Inoperative
- Location: Rt Hf Radio
- Part time: 466 hours, 151 cycles
- 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/NACA2021051800001

## Discrepancy

DISCREPANCY:  HF RADIO (R) DOES NOT TRANSMIT.  CORRECTIVE ACTION: DEFERRED PER 23-11-01-02B, CLEARED DEFERRAL BY REPLACING THE HF TRANSCEIVER PER AMM 23-11-03.  ETOPS GROUND CHECK GOOD.  ETOPS SIGNIFICANT SYSTEM COMPONENT.

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