# SDR ASAA11510368

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 14, 2011
- Submitted: September 16, 2011
- Operation: Air carrier
- Aircraft: [N560AS](https://openairdocs.org/aircraft/N560AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35179
- Aircraft time: 19,351 hours, 6,024 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Transceiver
- Part number: 8220990004
- Part serial: 16G01C
- Condition: Failed
- Location: Hf Comm
- Part time: 14,552 hours, 4,370 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA11510368

## Discrepancy

HF 1 FAILED EN ROUTE.  PERFORMED HF 1 COMMUNICATION SYS BITE REF TASK 23 11 00 810 801.  FOUND NR 1 HF TRANSCEIVER INOP.  FAULT WAS DUPLICATED.  REPLACED NR 1 HF TRANSCEIVER REF AMM TASK 23 11 21 000 REMOVAL & AMM TASK 23 11 21 400 801 INSTALLATION.  NR 1 HF RADIO OPS NORMAL. GROUND VERIFICATION SUCCESSFUL.

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