# SDR SIMA202404174001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2024
- Submitted: April 17, 2024
- Operation: Air carrier
- Aircraft: [N285NN](https://openairdocs.org/aircraft/N285NN), 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: 17000823
- Aircraft time: 10,369 hours, 6,949 cycles
- System (JASC): [3444 · Ground Proximity System](https://openairdocs.org/jasc/3444)
- Part: Antenna
- Part number: UNKNOWN
- Condition: Failed
- Location: Radar Altimeter
- Stage of operation: NR
- How discovered: O
- Nature of condition: G, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA202404174001

## Discrepancy

LANDING GEAR AURAL WARNING AT 10000 FT. / RADAR ALT 2 FAIL T/S RADAR ALTIMETER SYSTEM 2 IAW WM 34-31-51 AND PERFORMED OPC IAW AMM 34-31-00. FOUND RADAR ALTIMETER 2 TRANSMIT ANTENNA BAD.RAN OUT OF TIME TO FIX. MEL REMAINS OPEN.

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