# SDR A6WA200440168

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 25, 2004
- Submitted: November 9, 2004
- Operation: Air carrier
- Aircraft: [N437AW](https://openairdocs.org/aircraft/N437AW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7744
- Aircraft time: 3,833 hours, 3,433 cycles
- Engine: Ge CF343B1
- System (JASC): [3420 · Attitude and Direction Data System](https://openairdocs.org/jasc/3420)
- Part: Computer
- Part number: 6229336400
- Part serial: 13XFV
- Condition: Unreliable
- Location: Ahrs
- Part time: 2,355 hours, 2,125 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: S
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/A6WA200440168

## Discrepancy

PITCH AND ROLL ANNUNCIATOR ILLUMINATED ON CAPTS EFIS IN FLIGHT.  PITCH UNRELIABLE, MORE THAN 6 DEGREES THAN F/O EFIS ATTITUDE.  PITCH ILLUMINATED ON GROUND DEPOWERED AND REPOWERED.  TAXI TEST OK.  PROBLEM REOCCURRED IN FLIGHT.  REMOVED AND REPLACED NR 1 AHRS COMPUTER IAW 34-21-01, OPS CHECK GOOD.

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