# SDR IPXA2672478

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2012
- Submitted: March 21, 2012
- Operation: Air carrier
- Aircraft: [N331UP](https://openairdocs.org/aircraft/N331UP), registered now
- Make and model: Boeing 767-34AF
- Registry model: [Boeing 767-34AF](https://openairdocs.org/model/boeing-767-34af) (OpenAirDocs)
- Aircraft serial: 27757
- System (JASC): [3421 · Attitude Gyro and Indicating System](https://openairdocs.org/jasc/3421)
- Part: Eadi
- Part number: 6227998003
- Part serial: 5399
- Condition: Inoperative
- Location: Captain'S
- Stage of operation: CL
- How discovered: V
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2672478

## Discrepancy

CAPTAIN`S ADI WENT BLANK SELECTED ALTERNATE EFI NO CHANGE. AT 6,000`, DISPLAY CAME BACK ON.  STARTED ARCING, SLIGHT SMOKE ODOR UNTIL BREAKER TRIPPED.  DID NOT RESET BREAKER.  ADI BLANKED ON ROTATION EADI REMOVED AND VISUAL CHECK BACK SIDE WIRING.  NOTHING ABNORMAL NOTED AND NO SMOKE ODOR.  SUB REPLACED EADI IAW MM 34-22-03-4.

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