# SDR SIMA20230620001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 20, 2023
- Submitted: June 20, 2023
- Operation: Air carrier
- Aircraft: [N266NN](https://openairdocs.org/aircraft/N266NN), 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: 17000770
- Aircraft time: 11,544 hours, 7,507 cycles
- System (JASC): [3410 · Flight Environment Data](https://openairdocs.org/jasc/3410)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- 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/SIMA20230620001

## Discrepancy

AT FL 310 RAD ALT 1 SHOWED 0 FT AND DURING DESCENT RECVD WARNING LANDING GEAR LANDING GEAR-C/A-FLIGHT CREW PLACARDED RAD ALT 1 M PROCEDURES C/W MEL 34-15 AUTH 060042M-C MOC 607038

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