Narrative:

Flight from mia to iquitos, peru. After normal landing and stopping the aircraft, we initiated a 180 degree turn from left to right, since there is no turnaround loop or txwys. After completing the turn, the aircraft momentum was lost. We added power as you normally do to complete the turn -- especially when aircraft is heavy. At this time we realized that aircraft did not move forward. Power was taken off and captain (me) opened left window and realized the aircraft was stuck. We completed the shutdown. Upon exiting aircraft, we saw the tarmac on safety zone had given in under the left main gear. Due to inclination of gear caving in on tarmac, #1 and #2 engines came to rest on the grass. Upon further inspection on #1 engine, we found 2 fan blades slightly chipped and 3-4 slightly bent at the tips. Minimal scratches on bottom of engine due to engine coming to rest on top of VASI light. #2 engine had no damage interior or exterior. #1, #5, #6 tires had slash marks due to cave-in of concrete but were fully inflated. Aircraft was pulled off and inspected, fixed and released the next day to lima, peru. No turnaround loop. Safety edge of runway too soft.

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Original NASA ASRS Text

Title: A DC8-63 ATTEMPTS A 180 DEG TURN ON THE RWY AND EXPERIENCES A COLLAPSING OF THE RWY'S 'SAFETY ZONE' EDGE, ALLOWING THE ACFT TO SETTLE ON ITS #1 AND #2 ENG AT SPQT, FO.

Narrative: FLT FROM MIA TO IQUITOS, PERU. AFTER NORMAL LNDG AND STOPPING THE ACFT, WE INITIATED A 180 DEG TURN FROM L TO R, SINCE THERE IS NO TURNAROUND LOOP OR TXWYS. AFTER COMPLETING THE TURN, THE ACFT MOMENTUM WAS LOST. WE ADDED PWR AS YOU NORMALLY DO TO COMPLETE THE TURN -- ESPECIALLY WHEN ACFT IS HVY. AT THIS TIME WE REALIZED THAT ACFT DID NOT MOVE FORWARD. PWR WAS TAKEN OFF AND CAPT (ME) OPENED L WINDOW AND REALIZED THE ACFT WAS STUCK. WE COMPLETED THE SHUTDOWN. UPON EXITING ACFT, WE SAW THE TARMAC ON SAFETY ZONE HAD GIVEN IN UNDER THE L MAIN GEAR. DUE TO INCLINATION OF GEAR CAVING IN ON TARMAC, #1 AND #2 ENGS CAME TO REST ON THE GRASS. UPON FURTHER INSPECTION ON #1 ENG, WE FOUND 2 FAN BLADES SLIGHTLY CHIPPED AND 3-4 SLIGHTLY BENT AT THE TIPS. MINIMAL SCRATCHES ON BOTTOM OF ENG DUE TO ENG COMING TO REST ON TOP OF VASI LIGHT. #2 ENG HAD NO DAMAGE INTERIOR OR EXTERIOR. #1, #5, #6 TIRES HAD SLASH MARKS DUE TO CAVE-IN OF CONCRETE BUT WERE FULLY INFLATED. ACFT WAS PULLED OFF AND INSPECTED, FIXED AND RELEASED THE NEXT DAY TO LIMA, PERU. NO TURNAROUND LOOP. SAFETY EDGE OF RWY TOO SOFT.

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.