# SDR ASAA2022031437684

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2022
- Submitted: March 15, 2022
- Operation: Air carrier
- Aircraft: [N448AS](https://openairdocs.org/aircraft/N448AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36356
- Aircraft time: 20,733 hours, 6,545 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- 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/ASAA2022031437684

## Discrepancy

HF #2 SHOWS FAIL / FAIL. GROUNDED - YES. CYCLED C/B, SYS RESTORED & OPS CKS NML PER B737-900 AMM 23-11-00 AND COMM CK. GND VERIFICATION SUCCESSFUL.

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