# SDR AALA20170227012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2017
- Submitted: February 27, 2017
- Operation: Air carrier
- Aircraft: [N983TW](https://openairdocs.org/aircraft/N983TW), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53633
- Aircraft time: 47,775 hours, 23,684 cycles
- System (JASC): [3420 · Attitude and Direction Data System](https://openairdocs.org/jasc/3420)
- Part: Display
- Condition: Malfunctioned
- Stage of operation: TO
- How discovered: O
- Nature of condition: S
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20170227012

## Discrepancy

ON RUNWAY PRIOR TO ADVANCING THROTTLES, CREW NOTED A 2 TO 3 MILE MISALIGHNMENT BETWEEN AIRCRAFT AND RUNWAY ON NAV DISPLAY. CREW EXITED RUNWAY AND ACCOMPLISHED AN IRS REALIGNMENT, SUBSEQUENT TAKE OFF WAS UNEVENTFULE.

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