Narrative:

After a slight delay at the gate awaiting a fuel sheet; we taxied to [the] runway. Takeoff was normal with a 270 degree heading after departure. Level at 13;000 ft; the captain noticed an right aft emergency door EICAS message. At that time; center cleared us to a higher altitude. The captain responded that we needed to stay at 13;000 ft to resolve an issue. I pulled my oxygen mask and draped it over my lap as a precaution. At that time; center cleared us to maintain 13;000 ft. The captain instructed me to fly the jet and talk to ATC while he retrieved the emergency door - left (right) fwd (aft) irregular checklist. At that point; both the captain and I checked the pressurization panel to confirm that the aircraft was pressurizing. As a precaution; I suggested that we descend to 10;000 ft. The captain agreed and asked ATC for 10;000 ft. We were cleared to 10;000 ft and handed off to approach. Level at 10;000 ft; I was monitoring a developing line of thunderstorms that was west of our position while the captain talked to dispatch; maintenance; and the first flight attendant. I also reminded the captain that we had a uniformed pilot deadheading in the back if we needed his assistance. After the captain completed the irregular checklist and confirming that the aircraft was pressurizing normally; we both agreed that continuing to destination was safe; and in fact; the checklist permitted this course of action. The captain informed dispatch of the decision and I requested to continue the climb and to proceed on course with ATC. At that time; we were handed off to center and continued to our filed destination. Dispatch also requested that we report the fuel over a mid route fix to confirm that the fuel burn wasn't adversely affected with our extended time at 10;000 ft. As it turns out; the fuel was sufficient and I believe that we blocked in with 7;100 pounds.

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Original NASA ASRS Text

Title: A B757-200's R AFT EMER DOOR EICAS alerted after takeoff but the crew determined after completing the QRH that it was a false warning and with the cabin fully pressurized continued the filed destination.

Narrative: After a slight delay at the gate awaiting a fuel sheet; we taxied to [the] runway. Takeoff was normal with a 270 degree heading after departure. Level at 13;000 FT; the Captain noticed an R AFT EMER DOOR EICAS message. At that time; Center cleared us to a higher altitude. The Captain responded that we needed to stay at 13;000 FT to resolve an issue. I pulled my oxygen mask and draped it over my lap as a precaution. At that time; Center cleared us to maintain 13;000 FT. The Captain instructed me to fly the jet and talk to ATC while he retrieved the EMER DOOR - L (R) FWD (AFT) Irregular Checklist. At that point; both the Captain and I checked the pressurization panel to confirm that the aircraft was pressurizing. As a precaution; I suggested that we descend to 10;000 FT. The Captain agreed and asked ATC for 10;000 FT. We were cleared to 10;000 FT and handed off to Approach. Level at 10;000 FT; I was monitoring a developing line of thunderstorms that was west of our position while the Captain talked to Dispatch; Maintenance; and the First Flight Attendant. I also reminded the Captain that we had a uniformed pilot deadheading in the back if we needed his assistance. After the Captain completed the Irregular Checklist and confirming that the Aircraft was pressurizing normally; we both agreed that continuing to destination was safe; and in fact; the checklist permitted this course of action. The Captain informed Dispatch of the decision and I requested to continue the climb and to proceed on course with ATC. At that time; we were handed off to Center and continued to our filed destination. Dispatch also requested that we report the fuel over a mid route fix to confirm that the fuel burn wasn't adversely affected with our extended time at 10;000 FT. As it turns out; the fuel was sufficient and I believe that we blocked in with 7;100 LBS.

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.