# SDR VNAA2014031100009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 11, 2014
- Submitted: March 14, 2014
- Operation: Air carrier
- Aircraft: N249PS
- Make and model: Cndair CL6002B19
- Aircraft serial: 7926
- Aircraft time: 24,173 hours, 24,426 cycles
- System (JASC): [3420 · Attitude and Direction Data System](https://openairdocs.org/jasc/3420)
- Part: Computer
- Part number: 6229336400
- Part serial: GD4X
- Condition: Failed
- Location: Att & Hdg Ref Sy
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/VNAA2014031100009

## Discrepancy

CREW REPORTED EFIS COMP MON MESSAGE WITH F/O ATTITUDE INDICATION ERRATIC AND NO FLIGHT DIRECTOR OR AUTOPILOT.  CREW RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT, R & R ATTITUDE AND HEADING COMPUTER (AHC) NR 2 AND PERFORMED CHECKS IAW AMM.  ACFT RELEASED FOR SERVICE.

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