# SDR UALA2013012800482

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2013
- Submitted: February 14, 2013
- Operation: Air carrier
- Aircraft: [N225UA](https://openairdocs.org/aircraft/N225UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30554
- Aircraft time: 46,015 hours, 5,578 cycles
- Engine: Pwa PW40903
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Satcom
- Part number: 51373950640
- Part serial: 23
- Condition: Faulty
- Location: Left
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013012800482

## Discrepancy

SATCOM VOICE AND HIGH GAIN FAILURES.  DUE TO THE HISTORY OF SATCOM VOICE AND HIGH GAIN FAILURES WITH CMC MSG 23-60101 AND 23-60151,   REPLACED THE LEFT HIGH POWER RELAY K23001 (581-2259) IAW AMM 23-15-22 PB 401 AND THE LEFT BEAM STEERING UNIT M23090 (583-9020) IAW AMM 23-15-26 PB 401.

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