# SDR AALA202105149009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 2021
- Submitted: May 14, 2021
- Operation: Air carrier
- Aircraft: [N942AN](https://openairdocs.org/aircraft/N942AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30084
- Aircraft time: 59,460 hours, 24,855 cycles
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Warning Switch
- Condition: Inoperative
- Location: Speed Brake
- 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/AALA202105149009

## Discrepancy

AIRCRAFT WAS GROUNDED: TAKE OFF WARNING HORN SOUNDED AND TAKE OFF CONFIGURATION LIGHT ILLUMINATED WHEN THRUST LEVERS ADVANCED FOR TAKEOFF. REMOVED AND REPLACED THE SPEED BRAKE TAKEOFF WARNING SWITCH S651 IAW WDM 31-53-11.

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