# SDR ASAA2023101345639

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2023
- Submitted: October 16, 2023
- Operation: Air carrier
- Aircraft: [N934AK](https://openairdocs.org/aircraft/N934AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43374
- Aircraft time: 6,185 hours, 1,799 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023101345639

## Discrepancy

BOTH RTPS SHOW FAIL FAIL WHEN HF2 SELECTED. GROUNDED - YES. INTERROGATED OMF SHOWS MAINTENANCE MESSAGE 23-21042 OPENED C/B D2 AT P6-1, WAITED 30 SECONDS AND THEN CLOSED PRESSED THE HF-2 TRANSCEIVER TEST SWITCH, TEST PASSED VERIFIED OMF SHOWS MANTENANCE MESSAGE 23-21042 IS NOT ACTIVE, OK TO CONTINUE AS PER IFIM TASK 23-11-00-810-822.

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