# SDR KCSA201906053106

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 31, 2019
- Submitted: June 5, 2019
- Operation: Air carrier
- Aircraft: N739CK
- Make and model: Boeing 767324
- Aircraft serial: 27392
- Aircraft time: 88,462 hours, 16,613 cycles
- System (JASC): [3422 · Directional Gyro and Indicating System](https://openairdocs.org/jasc/3422)
- Part: Indicator
- Part number: 6227999003
- Part serial: 7GVH
- Condition: Shorted
- Location: Ehsi
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/KCSA201906053106

## Discrepancy

DECLARED EMERGENCY.  ELECTRICAL BURNING SMELL AND ARCING SOUND BEHIND CAPTAIN SIDE EHSI.  FOUND CAPTAINS EHSI SHORTED CAUSING BREAKER TO POP.  REMOVED AND REPLACED EHSI IAW B767-300 AMM 34-22-04.  ALL CHECKS GOOD AT THIS TIME.

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