Narrative:

During climb out received EICAS message 'rudder system 1-2 inoperative.' ran checklist; contacted maintenance control and returned to the departure airport. Declared emergency; requested crash fire rescue equipment. Landed under malw [maximum allowable landing weight]. Taxied to gate.

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Original NASA ASRS Text

Title: An EMB-140 flight crew declared an emergency and returned to their departure airport following receipt of a RUDDER SYSTEM 1-1 INOP EICAS.

Narrative: During climb out received EICAS message 'RUDDER SYSTEM 1-2 INOP.' Ran checklist; contacted Maintenance Control and returned to the departure airport. Declared emergency; requested CFR. Landed under MALW [Maximum Allowable Landing Weight]. Taxied to gate.

Data retrieved from NASA's ASRS site as of April 2012 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.