# SDR IXXA0400120O

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2004
- Submitted: November 8, 2004
- Operation: Air carrier
- Aircraft: N41CX
- Make and model: Doug DC-8-62F
- Registry model: [Doug DC-8-62F](https://openairdocs.org/model/douglas-dc-8-62f) (OpenAirDocs)
- Aircraft serial: 46129523
- Aircraft time: 76,488 hours, 20,959 cycles
- System (JASC): [2311 · UHF Communications System](https://openairdocs.org/jasc/2311)
- Part: Transceiver
- Part number: 5221501041
- Part serial: 5233
- Condition: Broken
- Location: Cockpit
- Part time: 76,488 hours, 20,959 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IXXA0400120O

## Discrepancy

DURING FLIGHT FROM KSUU TO PHIK, HF NR 1 AND NR 2 RADIO REPORTED TO HAVE LOUD BACKGROUND SQUEAL AND IS UNREADABLE.  CREW RETURNED AIRCRAFT TO KSUU AND LANDED WITHOUT INCIDENT.  MAINTENANCE REMOVED AND REPLACED NR 1 HF ACCESSORY COUPLER AND NR 2 HF R/T.  OPERATIONAL CHECKS WERE GOOD PER ALL APPLICABLE MANUALS.

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