Narrative:

I installed the forward battery on an emb-190 aircraft in accordance with embraer aircraft maintenance manual (amm) chapters 24-26-01 and 24-36-01. I was informed ten days later that the plane had come back to the gate due to an EICAS fault message. It was brought to my attention by my supervisor that ZZZ maintenance had found the forward battery lying on top of the avionics door. I had installed the battery properly per the amm and the aircraft flew for days without any pilot reports.

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Original NASA ASRS Text

Title: A Line Mechanic was informed a forward battery he replaced on an EMB-190 had come loose from its mounts; and was found laying inside on top of the forward avionics access door.

Narrative: I installed the forward battery on an EMB-190 aircraft in accordance with Embraer Aircraft Maintenance Manual (AMM) chapters 24-26-01 and 24-36-01. I was informed ten days later that the plane had come back to the gate due to an EICAS fault message. It was brought to my attention by my Supervisor that ZZZ Maintenance had found the forward battery lying on top of the avionics door. I had installed the battery properly per the AMM and the aircraft flew for days without any pilot reports.

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.