# SDR ASAA12511435

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 2012
- Submitted: April 23, 2012
- Operation: Air carrier
- Aircraft: [N592AS](https://openairdocs.org/aircraft/N592AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35190
- Aircraft time: 16,239 hours, 5,214 cycles
- Engine: Cfmint CFM567B20
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Circuit Breaker
- Condition: Tripped
- Location: Hf System
- Stage of operation: TX
- 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/ASAA12511435

## Discrepancy

HF 2 CIRCUIT BREAKER DISCOVERED POPPED ON PREFLIGHT. RESET HF 2 CIRCUIT BREAKER REF MM 20-60-01. HF 2 OPS CHECKED IAW MM 23-11-00-710-801 AND GROUND VERIFICATION TEST, OPS CHECKED NORMAL.

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