Aviation Accident Summaries

Aviation Accident Summary LAX86LA075

TUCSON, AZ, USA

Aircraft #1

XBDRL

PIPER PA-34T-22OT

Analysis

DURING A TRANS BORDER VFR X-COUNTRY FLT, THE PLT NOTICED 'OIL SPIRTING FROM THE LEFT ENGINE' WITH SMOKE, & HE SHUT IT DOWN. AN EMERGENCY WAS DECLARED BY THE TUCSON ATCT, WHO CLEARED THE ACFT TO LAND STRAIGHT IN ON RWY 29L. TOWER PERSONNEL OBSERVED THE ACFT PORPOISE ABOUT 7,000 FT DOWN THE RWY BEFORE GROUND LOOPING AND SLIDING OFF THE LEFT SIDE. THE ACFT & ENGINES HAD ABOUT 249 HOURS TOTAL TIME. EXAMINATION OF THE LEFT ENGINE REVEALED A 3/4 INCH CRACK IN THE LOWER FRONT WELD SEAM OF THE OIL COOLER. THE CRACK WAS ONLY VISABLE UNDER PRESSURE TESTING.

 

Source: NTSB Aviation Accident Database

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