# SDR RAIA980504

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N421TE](https://openairdocs.org/aircraft/N421TE), registered now
- Make and model: Aerosp ATR 42-300
- Registry model: [Aerosp ATR 42-300](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-300) (OpenAirDocs)
- Aircraft serial: 102
- System (JASC): [3425 · Integrated Flight System](https://openairdocs.org/jasc/3425)
- Part: Ahrs Computer
- Part number: 7003365944
- Condition: Failed
- Location: E/E Compt
- Stage of operation: TO
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/RAIA980504

## Discrepancy

FLT 7134 - STL - EFIS HEADING COMPARATOR CAPTION ILLUMINATED DURING TAKEOFF.  MAINTENANCE REPLACED LEFT AHRS COMPUTER. (M)

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