# SDR TRAX200800111

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2008
- Submitted: January 23, 2008
- Operation: Air carrier
- Aircraft: [N878AS](https://openairdocs.org/aircraft/N878AS), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7590
- Aircraft time: 15,347 hours, 12,364 cycles
- System (JASC): [3450 · Dependent Position Determining System](https://openairdocs.org/jasc/3450)
- Part: Warning Message
- Condition: False Indication
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TRAX200800111

## Discrepancy

RECEIVED MULTIPLE EFIS COMP MON ON TAXI AND TAKEOFF.  AT 12000 LOST FMS, AHRS; UNABLE TO FLY GREEN NEEDLES FOR 10 MINS.  ABLE TO RETRIEVE GREEN NEEDLE CAPABILITY AFTER 10 MINS.  A/C RETURNED TO ATL AFTER T/O.  PILOT CANCELLED EMERGENCY DECLARED/TOWER ROLLED EMERGENCY VEHICLES AS A PRECAUTION.

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