Narrative:

Climbing through 23000 ft our engine fire warning light on right engine came on. We leveled out at 24000 ft and accomplished the bold face checklist and shut the engine down. We discharged both fire bottles and the fire light remained on. We declared emergency and asked for vectors to gso. We told the flight attendants to prepare the cabin for emergency landing. On descent through 10000 ft the engine fire light went out. We performed a single engine landing on runway 23 at gso. (WX 200 ft overcast one and a quarter mi visibility.) after landing we stopped on the runway and had the fire truck examine our engine. No sign of fire was found so we taxied to the gate on 1 engine and had no further problems. Callback conversation with reporter revealed the following information: report from maintenance indicates the fire warning was caused by a wiring problem in the fire loop. The engine was a rolls royce rb.211-535e4. The reporter was not contacted by the FAA.

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Original NASA ASRS Text

Title: A B757 DECLARED AN EMER AND DIVERTED TO GSO DUE TO A FIRE WARNING ON #2 ENG. LATER DETERMINED TO BE FALSE FIRE WARNING DUE TO A WIRING PROB. ENG WAS A RR-RB211-535E4.

Narrative: CLBING THROUGH 23000 FT OUR ENG FIRE WARNING LIGHT ON R ENG CAME ON. WE LEVELED OUT AT 24000 FT AND ACCOMPLISHED THE BOLD FACE CHKLIST AND SHUT THE ENG DOWN. WE DISCHARGED BOTH FIRE BOTTLES AND THE FIRE LIGHT REMAINED ON. WE DECLARED EMER AND ASKED FOR VECTORS TO GSO. WE TOLD THE FLT ATTENDANTS TO PREPARE THE CABIN FOR EMER LNDG. ON DSCNT THROUGH 10000 FT THE ENG FIRE LIGHT WENT OUT. WE PERFORMED A SINGLE ENG LNDG ON RWY 23 AT GSO. (WX 200 FT OVCST ONE AND A QUARTER MI VISIBILITY.) AFTER LNDG WE STOPPED ON THE RWY AND HAD THE FIRE TRUCK EXAMINE OUR ENG. NO SIGN OF FIRE WAS FOUND SO WE TAXIED TO THE GATE ON 1 ENG AND HAD NO FURTHER PROBS. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPT FROM MAINT INDICATES THE FIRE WARNING WAS CAUSED BY A WIRING PROB IN THE FIRE LOOP. THE ENG WAS A ROLLS ROYCE RB.211-535E4. THE RPTR WAS NOT CONTACTED BY THE FAA.

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.