# SDR AALA20161119007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2016
- Submitted: November 21, 2016
- Operation: Air carrier
- Aircraft: [N9624T](https://openairdocs.org/aircraft/N9624T), 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: 53594
- Aircraft time: 52,901 hours, 25,821 cycles
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Warning Unit
- Part number: H05A003510
- Part serial: 1591
- Condition: Faulty
- Location: Zone 100
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20161119007

## Discrepancy

AIRCRAFT WAS GROUNDED. DURING TAKEOFF ROLL CREW RECEIVED AURAL SLAT OVERSPEED WARNING. TAKE OFF ABORTED AT APPROXIMATELY 80 KNOTS. ACCOMPLISHED CENTRAL AIR DATA COMPUTER BITE CHECK IAW AMM 34-16-00 AND OPERATIONAL CHECK OF SLAT OVERSPEED WARNING IAW AMM 31-51-00. REMOVED AND REPLACED CENTRAL AURAL WARNING UNIT IAW AMM 31-51-02. OPERATIONAL CHECK NORMAL.

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