# SDR YENA2023102001276

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 18, 2023
- Submitted: October 20, 2023
- Operation: Air carrier
- Aircraft: [N4076J](https://openairdocs.org/aircraft/N4076J), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 11513
- Aircraft time: 21 hours, 6 cycles
- System (JASC): [2397 · Communications System Wiring](https://openairdocs.org/jasc/2397)
- Part: Coupler
- Part number: 9640453001
- Part serial: 06971
- Condition: Failed
- Location: Hf Antenna
- Stage of operation: UK
- 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/YENA2023102001276

## Discrepancy

FLT#1926, LGW-JFK. (ETOPS)  HF2 HAS CONTINOUS TUNING TONE WHEN ATTEMPTING TO TRANSMIT IT DOES TUNE AND SECAL WORKS BUT UNABLE TO TRANSMIT. REMOVED AND REPLACED HF ANTENNA COUPLER IAW AMM 23-11-36. OPS CHECK OK. MDDR CLEARED. MX-4 UPDATED. PLACARD REMOVED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.