# SDR ASAA2021121936945

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 19, 2021
- Submitted: December 21, 2021
- Operation: Air carrier
- Aircraft: [N569AS](https://openairdocs.org/aircraft/N569AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35184
- Aircraft time: 53,835 hours, 16,184 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021121936945

## Discrepancy

HF 2 FAIL ENROUTE. GROUNDED - YES. VERIFIED, CYCLED HF 2 C/B P6-1 PANEL, RTP PANEL RESTORED ACCOMPLISHED HF OPERATIONAL TEST REF B737-800 AMM 23-11-00-710-801 OPS NORMAL, CALLED SFO, OPS NORMAL. GROUND VERIFICATION TEST PASSED.

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