# SDR SIMA20150408009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2015
- Submitted: April 10, 2015
- Operation: Air carrier
- Aircraft: [N521AE](https://openairdocs.org/aircraft/N521AE), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10142
- Aircraft time: 27,884 hours, 19,559 cycles
- System (JASC): [3425 · Integrated Flight System](https://openairdocs.org/jasc/3425)
- Part: Indication Sys
- Part number: C16221AA02
- Part serial: 46
- Condition: Failed
- Location: Cockpit
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20150408009

## Discrepancy

ISI ATTITUDE FUNCTION FAILED.  INTERMITTENT TUMBLING A/S OK, ALTITUDE OK.  TROUBLE SHOT & FOUND ISI INDICATION UNIT INTERNAL MDC FAULT.  R & R ISI INDICATOR UNIT IAW AMM 34-12-01.  OPERATIONS CHECKED GOOD, NO LEAKS NOTED AT THIS TIME.

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