2009-09 · NASA ASRS report 852838
A B757-200's right landing gear door did not close after the landing gear was retracted. The crew declared an emergency and returned to land at the departure airport.
On climb-out; Captain was flying and called for gear up. When I pulled the gear up; the doors light stayed illuminated with a Gear Doors EICAS. At a safe altitude and speed; the Captain took the radios and I got the pilot handbook out and ran the gear doors EICAS procedure. We continued on the SID and climbing while we did this. After the checklist was complete; we decided to recycle the gear thinking it may be a switch and could extinguish the light. On recycling the gear; the doors light stayed on with gear down and when I pulled the gear up; the doors light stayed on and we got a gear disagree light and EICAS with a green Rt. Main gear light illuminated. I then ran the gear disagree checklist and the decision to return to our departure airport was made. We were not sure of fuel burns or condition of the gear or doors since we could feel a vibration from something in the airframe; so we decided the safest course of action was to return in VFR conditions. I took over flying and the radios while the Captain consulted with Dispatch; informed the Flight attendants; and coordinated the return. Dispatch declared an emergency and the equipment was standing by. We lowered the gear early and got normal gear down indications with the gear doors light still illuminated. Since I had the airplane under control and was heading for the runway when the Captain got back in the loop after communicating with everybody; we decided it was best to let me land. I briefed the Captain on our condition and position and the normal checklists were completed and the landing was normal. On short final about 100 FT AGL; another air carrier pilot stated our Rt. landing gear door was hanging down. This alarmed me because of the vagueness of the comment I thought it may be hanging off; but I was prepared for any unusual swerves or bangs; etc. on landing.
After takeoff Status Message 'Doors' EICAS message. Ran Doors Disagee Checklist. We decided to recycle gear (possible switch misalignment) and this time left landing gear disagree with doors light. Ran 'gear disagree' checklist and landed at nearest suitable airport (our departure airport). Communications with Dispatch/Maintenance reviewed all checklists ran and no other suggestions. Communicated with Flight Attendants and Passengers about gear door issue. Told Flight Attendants gear was down and locked; but to be prepared for suprises...(and Trucks). Requested Trucks/Emergency on return. Put gear down early on approach and got 3 green lights with 'Doors' light also. On short final; Tower reported seeing 3 gear and Fire reported gear door on right side open. Landing uneventful...good Crew Resource Management with crew; ground; company and pilots...
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Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.
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