# SDR ASAA2017043020582

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 30, 2017
- Submitted: May 2, 2017
- Operation: Air carrier
- Aircraft: [N477AS](https://openairdocs.org/aircraft/N477AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40716
- Aircraft time: 7,347 hours, 2,423 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Warning Light
- Condition: False Activation
- Location: Nr 2 Hf
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017043020582

## Discrepancy

HF 2 INDICATES FAILED.  ACFT GROUNDED.  PERFORMED HF COMMUNICATION SYSTEM TEST IAW AMM 23-11-00. NO DEFECTS NOTED. PERFORMED BITE PROCEDURE IAW FIM 23-11-00. NO DEFECTS NOTED. COULD NOT DUPLICATE DISCREPANCY.

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