# SDR TSAA9978296

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N809AL](https://openairdocs.org/aircraft/N809AL), registered now
- Make and model: Boeing 737-2Q9
- Registry model: [Boeing 737-2Q9](https://openairdocs.org/model/boeing-737-2q9) (OpenAirDocs)
- Aircraft serial: 21720
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Accessory Unit
- Part number: 657360629
- Condition: Defective
- Location: Tr Unit
- Stage of operation: TO
- Nature of condition: N
- Precautionary procedure: C, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TSAA9978296

## Discrepancy

HNL/ITO - FLT 404 - TAKEOFF WARNING HORN SOUNDED DURING TAKEOFF.  TAKEOFF ABORTED AT ABOUT 30 KNOTS.  RETURNED TO GATE.  REMOVED AND REPLACED ENGINE ACCESSORY UNIT.  OPS CHECK OK IAW MM 78-34-91.  AIRCRAFT RETURNED TO SERVICE.  (X)

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