Narrative:

'Red' tail compartment overheat light came on during climb out through 8000 ft. Checklist items were accomplished but light stayed on. We declared an emergency and asked for return to phx. During reduction of power for descent, light finally went out and stayed out. We canceled the emergency with ATC but decided to continue our return to phx for maintenance inspection. Overweight landing was uneventful and maintenance inspection revealed 2 holes/leaks in ducting. Note: OAT (outside air temperature) was 86 des F, APU was used for engine start and then allowed to run unloaded for taxi, takeoff, and climb through 7000 ft when it was shutdown. Light (red light compartment overheat) came on right after shutdown as we climbed through 8000 ft.

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Original NASA ASRS Text

Title: MD80 CREW RETURNED TO THEIR DEP STATION AFTER THE RED 'TAIL COMPARTMENT OVERHEAT LIGHT' ILLUMINATED ON CLBOUT FROM PHX.

Narrative: 'RED' TAIL COMPARTMENT OVERHEAT LIGHT CAME ON DURING CLBOUT THROUGH 8000 FT. CHKLIST ITEMS WERE ACCOMPLISHED BUT LIGHT STAYED ON. WE DECLARED AN EMER AND ASKED FOR RETURN TO PHX. DURING REDUCTION OF PWR FOR DSCNT, LIGHT FINALLY WENT OUT AND STAYED OUT. WE CANCELED THE EMER WITH ATC BUT DECIDED TO CONTINUE OUR RETURN TO PHX FOR MAINT INSPECTION. OVERWT LNDG WAS UNEVENTFUL AND MAINT INSPECTION REVEALED 2 HOLES/LEAKS IN DUCTING. NOTE: OAT (OUTSIDE AIR TEMP) WAS 86 DES F, APU WAS USED FOR ENG START AND THEN ALLOWED TO RUN UNLOADED FOR TAXI, TKOF, AND CLB THROUGH 7000 FT WHEN IT WAS SHUTDOWN. LIGHT (RED LIGHT COMPARTMENT OVERHEAT) CAME ON RIGHT AFTER SHUTDOWN AS WE CLBED THROUGH 8000 FT.

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.