# SDR UALA2011011300210

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 2011
- Submitted: February 15, 2011
- Operation: Air carrier
- Aircraft: [N211UA](https://openairdocs.org/aircraft/N211UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30217
- Aircraft time: 38,049 hours, 8,404 cycles
- Engine: Pwa PW4077
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Satcom
- Part number: 8220314102
- Part serial: 66
- Condition: Faulty
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011011300210

## Discrepancy

SATCOM STATUS MESSAGE.  CB PULLED AND COLLARED.  LOW GAIN CHECKS OKAY.  TROUBLESHOT REF FIM 23-15 TASK 843 , REPLACED SDU, CHECKED SOFTWARE (OPS AND ORT) ARE GOOD.  GROUND TEST PASSED.  MADE CALLS TO 777 ON BOTH CHANNELS--LOUD AND CLEAR.  INSTALLATION TEST AT THE MCDU ALSO "OK".

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