# SDR SIMA20210502004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 2021
- Submitted: May 3, 2021
- Operation: Air carrier
- Aircraft: [N289MW](https://openairdocs.org/aircraft/N289MW), 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: 17000840
- Aircraft time: 2,586 hours, 1,664 cycles
- System (JASC): [3444 · Ground Proximity System](https://openairdocs.org/jasc/3444)
- Part: Radio Altimeter
- Condition: Malfunctioned
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20210502004

## Discrepancy

RA BEHAVING ERRACTICALLY AROUND 1000' ON INITIAL CLIMB OUT FOLLOWED BY "TERRAIN" WARNING GPWS OVER WATER AND "BANK ANGLE" WHILE DOING 20* LEFT TURN BANK.- RA BEHAVING ERRACTICALLY ONCE AGAIN ON INITIAL CLIMB FOLLOWED BY "TERRAIN" AURAL WARNING-C/A-PERFORMED RADAR ALTIMETER SYSTEM - ADJUSTMENT - TEST IAW AMM 34-31-00, NO FAULT FOUND ON BOTHS RA`S, TRANSITORY CONDITION. OPS TEST PASSED- PERFORMED OPS CHECK OF RADAR ALTIMETER SYSTEM IAW AMM 34-31-00 AND FOUND SATISFACTORY NO FURTHER DEFECTS NOTED

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.