# SDR ASAA2022011537157

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 2022
- Submitted: February 2, 2022
- Operation: Air carrier
- Aircraft: [N513AS](https://openairdocs.org/aircraft/N513AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35192
- Aircraft time: 47,541 hours, 14,125 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Transceiver
- Part number: 8220990004
- Part serial: 16G012
- Condition: Inoperative
- Location: E/E Rack E8
- Part time: 45,481 hours, 13,397 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022011537157

## Discrepancy

MAINTENANCE REQUESTED HF RADIO #1 & #2 CHECK. HF RADIO #1 WORKS; WILL TRANSMIT AND RECEIVE. HF RADIO #2 DOES NOT WORK; WILL NOT TRANSMIT OR RECEIVE. GROUNDED - YES. REPLACED #2 HF R/T PER B737-800 AMM 22-11-21-400-801. BITE TEST ON R/T FACE PASSED. RADIO CHECK WAS GOOD. R/T TUNES FROM LOW TO HIGH FREQS NO PROBLEM AUDIO GOOD.

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