# SDR UALA2011090104707

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 31, 2011
- Submitted: September 12, 2011
- Operation: Air carrier
- Aircraft: [N787UA](https://openairdocs.org/aircraft/N787UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26939
- Aircraft time: 63,231 hours, 9,296 cycles
- Engine: Pwa PW40903
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Transceiver
- Part number: 8220330001
- Part serial: 67
- Condition: Faulty
- Location: Hf Comm
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011090104707

## Discrepancy

NR 2 HF RADIO INOPERATIVE.  PER MEL 2311H REPLACED NR 2 HF TRANSCEIVER.  RADIO CHECK NR 2 HF, CHECK OK.  ACFT RETURNED TO GATE FOR NR 2 HF WILL NOT TRANSMIT.  REPLACED RIGHT HF ANTENNA COUPLER PER MM (RIGHT HF).

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