Narrative:

Left main gear door found loose. I arrived at gate approximately 35 mins prior to scheduled departure time and checked in with gate agent. I then proceeded to aircraft XXX and commenced preflight. I did not see anything abnormal on the detailed walkaround inspection. I proceeded to cockpit and commenced all checklist procedure with captain at approximately 20 mins prior to departure. We departed gate. While taxiing, an air carrier Y crew reported that our left main gear door appeared to be loose. We taxied back to gate for maintenance inspection. Ord maintenance found left main gear door to in fact not be totally attached, and took the aircraft OTS for further inspection.

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Original NASA ASRS Text

Title: E145 ANOTHER ACR PLT SAID THE L MAIN GEAR DOOR APPEARED TO BE LOOSE.

Narrative: L MAIN GEAR DOOR FOUND LOOSE. I ARRIVED AT GATE APPROX 35 MINS PRIOR TO SCHEDULED DEP TIME AND CHKED IN WITH GATE AGENT. I THEN PROCEEDED TO ACFT XXX AND COMMENCED PREFLT. I DID NOT SEE ANYTHING ABNORMAL ON THE DETAILED WALKAROUND INSPECTION. I PROCEEDED TO COCKPIT AND COMMENCED ALL CHKLIST PROC WITH CAPT AT APPROX 20 MINS PRIOR TO DEP. WE DEPARTED GATE. WHILE TAXIING, AN ACR Y CREW RPTED THAT OUR L MAIN GEAR DOOR APPEARED TO BE LOOSE. WE TAXIED BACK TO GATE FOR MAINT INSPECTION. ORD MAINT FOUND L MAIN GEAR DOOR TO IN FACT NOT BE TOTALLY ATTACHED, AND TOOK THE ACFT OTS FOR FURTHER INSPECTION.

Data retrieved from NASA's ASRS site as of July 2007 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.