# SDR ASAA2016040216225

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2016
- Submitted: April 5, 2016
- Operation: Air carrier
- Aircraft: [N403AS](https://openairdocs.org/aircraft/N403AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41730
- Aircraft time: 13,653 hours, 4,406 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Hf Comm
- Condition: Malfunctioned
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016040216225

## Discrepancy

HF 2 SAYS FAIL, FAIL.  ACFT GROUNDED.  ACCOMPISHED HF COMMUNICATION OPS TEST, REF AMM 23-11-00.  FAIL LIGHT NOT OBSERVED, NO FAULTS ON HF RT BITE.  ESTABLISHED COMMUNICATION WITH SFO, GROUND CHECKS ON HF 2 NORMAL.

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