# SDR ASAA2021080835662

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2021
- Submitted: August 10, 2021
- Operation: Air carrier
- Aircraft: [N481AS](https://openairdocs.org/aircraft/N481AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44106
- Aircraft time: 22,349 hours, 7,115 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Control Panel
- Part number: G716401
- Part serial: 451
- Condition: Inoperative
- Location: Nr 1 Hf
- Part time: 16,505 hours, 4,893 cycles
- Stage of operation: NR
- 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/ASAA2021080835662

## Discrepancy

HF/SAT SELECT PANEL: HF-1 LIGHT OUT. SWITCH VERY STICKY. GROUNDED - YES. REMOVED PANNEL HF/SAT AND REPLACED WITH NEW. REF B737-900 AMM 23-15-00. OPS CHECKS GOOD. SEAMC JARED NOTIFIED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
