# SDR IPXA12674933

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2012
- Submitted: August 20, 2012
- Operation: Air carrier
- Aircraft: [N325UP](https://openairdocs.org/aircraft/N325UP), registered now
- Make and model: Boeing 767-34AF
- Registry model: [Boeing 767-34AF](https://openairdocs.org/model/boeing-767-34af) (OpenAirDocs)
- Aircraft serial: 27751
- Engine: Ge CF680C2B6F
- System (JASC): [3421 · Attitude Gyro and Indicating System](https://openairdocs.org/jasc/3421)
- Part: Adi
- Part number: 6227998003
- Part serial: 793
- Condition: Inoperative
- Location: Cockpit
- Stage of operation: CL
- 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/IPXA12674933

## Discrepancy

AIR TURN BACK DUE TO CAPTAIN`S ADI INOPERATIVE, POPPING AND CRACKLING HEARD, AND AN ELECTRICAL ODOR FOR BRIEF PERIOD.  WHEN BLOCK IN, FOUND CAPT ADI CIRCUIT BREAKER TRIPPED, TROUBLE SHOT IAW FIM 34-12, TASK 818.  FOUND CAPTAIN`S ADI BAD.  R & R AND TESTED OK IAW AMM 34-22-03-401.

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