# SDR ASAA2021092836094

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2021
- Submitted: September 30, 2021
- Operation: Air carrier
- Aircraft: [N920AK](https://openairdocs.org/aircraft/N920AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 44086
- Aircraft time: 29 hours, 13 cycles
- Engine: Cfmint LEAP1B28
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Warning Light
- Condition: False Activation
- Location: Nr 2 Hf Comms
- 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/ASAA2021092836094

## Discrepancy

HF2 SECAL LIGHT "C" ACKNOWLEDGE LIGHT WILL NOT EXTINGUISH. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM 23-28-00-810-835. HF #2 SELCAL CALL SWITCH RESET. OPS CHECK GOOD. GROUND VERIFICATION TEST GOOD.

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