# SDR 2LCF201807174002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2018
- Submitted: July 17, 2018
- Operation: Air carrier
- Aircraft: N532LA
- Make and model: Boeing 767316F
- Aircraft serial: 30780
- Aircraft time: 78,547 hours, 21,294 cycles
- Engine: Ge CF680C2B6F
- Engine time: 41,249 hours, 7,938 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Coupler
- Part number: 7926140001
- Part serial: 8461
- Condition: Failed
- Location: Hf Comm
- Part time: 6,255 hours, 2,223 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/2LCF201807174002

## Discrepancy

DURING THE CRUISE PHASE ON THE MIA - AMS ROUTE, THERE WERE FAULTS IN THE TRANSMISSION AND RECEPTION BY THE HF SYSTEM. THE CREW DECIDED TO RETURNED THE AIRCRAFT TO MIA STATION. AFTER THAT THE WIRING WAS CHECKED AND THE LT AND RT COUPLERS OF THE HF ANTENNAS WERE REMOVED AND INSTALLED.

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