# SDR ASAA2016121219021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 12, 2016
- Submitted: December 14, 2016
- Operation: Air carrier
- Aircraft: [N569AS](https://openairdocs.org/aircraft/N569AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35184
- Aircraft time: 37,340 hours, 11,509 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Transceiver
- Part number: 8220990004
- Part serial: 16G012
- Condition: Failed
- Location: Nr 2 Hf Sys
- Part time: 34,130 hours, 10,066 cycles
- 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/ASAA2016121219021

## Discrepancy

NR 2 HF SHOWS FAILED.  ACFT GROUNDED.   NR 2 HF TRANSCEIVER HARD FAIL,  NO BITE TEST.   REMOVED & REPLACED IAW AMM 23-11-21, SYSTEM OPS CHECKED NORMAL

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