# SDR SIMA20221128002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 28, 2022
- Submitted: November 29, 2022
- Operation: Air carrier
- Aircraft: [N300LK](https://openairdocs.org/aircraft/N300LK), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000848
- Aircraft time: 5,252 hours, 3,417 cycles
- System (JASC): [3430 · Landing and Taxi Aids](https://openairdocs.org/jasc/3430)
- Part: Radio Altimeter
- Condition: Warning Message
- Stage of operation: TO
- 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/SIMA20221128002

## Discrepancy

RADT 1 UNRELIABLE. READING OFT BETWEEN 500FT AND FL190. "TOO LOW TERRAIN" AURAL WARNING AFTER TAKE OFF.-C/A-CLEANED BOTH CAPT SIDE RAD ALT ANTENNAS. CAPT RADIO ALTIMETER OPT CHECKS GOOD PER AMM 34-31-00. ALSO CYCLED AIRCRAFT POWER TO RESET ALL SYSTEMS.

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