# SDR AALA202001239007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2020
- Submitted: January 23, 2020
- Operation: Air carrier
- Aircraft: [N917AN](https://openairdocs.org/aircraft/N917AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29518
- Aircraft time: 60,868 hours, 24,891 cycles
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Warning Horn
- Condition: Activated
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202001239007

## Discrepancy

AIRCRAFT NOT GROUNDED: AUTOMATIC AURAL ALERT FOR V1 CALL OCCURS 4 KNOTS PRIOR TO V1. ALL AIRSPEED INDICATORS CONCUR CA/FO/HUD. ACCOMP TAKE OFF WARNING BITE TEST REF FIM 31-51-00 AND ADIRS BITE IAW FIM 34-21-00 WITH NO FAULTS.

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