# SDR CALA2022102402936

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 24, 2022
- Submitted: October 24, 2022
- Operation: Air carrier
- Aircraft: [N76010](https://openairdocs.org/aircraft/N76010), registered now
- Make and model: Boeing 777
- Aircraft serial: 29480
- Aircraft time: 110,234 hours, 11,395 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Sdu
- Part number: NA
- Condition: Inoperative
- Location: Lt Sdu
- Stage of operation: CR
- How discovered: O
- Nature of condition: J, O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2022102402936

## Discrepancy

SATCOM SYSTEM EICAS STATUS SATCOM SYSTEM FAILS OR NO BUS ACTIVITY. REPACED LEFT SDU. OPS CHK GOOD.

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