Narrative:

Overheat light for #2 engine illuminated during climb through 12000 ft. First officer was at controls while captain accomplished QRH procedures. Returned to bwi for uneventful landing. Callback conversation with reporter revealed the following information: the reporter stated an emergency was declared and the return land was normal. The reporter said the cause of the overheat warning was a loose engine bleed pneumatic duct clamp.

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Original NASA ASRS Text

Title: A B737-200 IN CLB AT 12000 FT DECLARED AN EMER AND DIVERTED DUE TO #2 ENG OVERHEAT WARNING CAUSED BY A LOOSE ENG PNEUMATIC DUCT CLAMP.

Narrative: OVERHEAT LIGHT FOR #2 ENG ILLUMINATED DURING CLB THROUGH 12000 FT. FO WAS AT CTLS WHILE CAPT ACCOMPLISHED QRH PROCS. RETURNED TO BWI FOR UNEVENTFUL LNDG. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED AN EMER WAS DECLARED AND THE RETURN LAND WAS NORMAL. THE RPTR SAID THE CAUSE OF THE OVERHEAT WARNING WAS A LOOSE ENG BLEED PNEUMATIC DUCT CLAMP.

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.