# SDR SIMA20210320002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2021
- Submitted: March 22, 2021
- Operation: Air carrier
- Aircraft: [N612AE](https://openairdocs.org/aircraft/N612AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145079
- Aircraft time: 48,626 hours, 44,040 cycles
- System (JASC): [3443 · Doppler System](https://openairdocs.org/jasc/3443)
- Part: Warning System
- Condition: Malfunctioned
- Stage of operation: DE
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20210320002

## Discrepancy

DESCENDING THROUGH 10,000 FT MSC RECEIVED AURAL WARNINGS FOR "TERRAIN", "LANDING GEAR", BANK ANGLE"','PULL UP". BOTH MASTER WARNING AND CAUTION SOUNDED FOR MULTIPLE MINUTES . CLEARED UP AROUND 3,000 FT. PRESSED BOTH THE GPWS TERRAIN SYS OVRD AND LG WRN CUTOUT SWITCHS AND THEY HAD NO EFFECT.-C/A-DEFERRED PER MEL 34-08 AUTH# 030267DM-A M PROCEDURES COMPLIED WITH.

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