# SDR AALA2019081329014

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 2019
- Submitted: August 13, 2019
- Operation: Air carrier
- Aircraft: [N189UW](https://openairdocs.org/aircraft/N189UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1425
- Aircraft time: 62,213 hours, 23,276 cycles
- System (JASC): [3414 · Airspeed/Mach Indicator](https://openairdocs.org/jasc/3414)
- Part: Warning Message
- Condition: False Activation
- Location: Overspeed
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2019081329014

## Discrepancy

AIRCRAFT WAS GROUNDED: PILOT REPORTS OVER SPEED WARNING ON CONTINOUSLY AT ALTITUDE AND DECENT. ALL AIRSPEED INDICATIONS NORMAL 300 KNTS, CLEAN CONFIGURATION. MAINTENANCE ACCOMPLISHED ADIRS START PROCEDURE IAW AMM 34-10-00-860-002-A. RESET OF FWC 1(2) IAW TSM 24-00-00.

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