# SDR UALA2013041602614

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2013
- Submitted: May 1, 2013
- Operation: Air carrier
- Aircraft: [N771UA](https://openairdocs.org/aircraft/N771UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26932
- Aircraft time: 70,336 hours, 12,647 cycles
- Engine: Pwa PW4077
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Data Unit
- Part number: 8220314102
- Part serial: 66
- Condition: Failed
- Location: Satcom Sys
- Stage of operation: IN
- 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/UALA2013041602614

## Discrepancy

SATCOM SYS LEVEL 1  DUE TO CHRONIC HISTORY OF SATCOM SYSTEM STATUS MESSAGE WITH CMC MSG 23-68801,   REPLACED SDU M23106 IAW AMM.

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