SDR CA960429010

Service difficulty report · Blade · Lear 35A

Difficulty date: February 17, 1996
Submitted: March 26, 2000
Operation: Air carrier
Make and model: Lear 35A
Engine: Garrtt TFE7312
System (JASC): 7250 · Turbine Section
Part: Blade
Part number: 30727322
Condition: Separated
Location: Hp Turbine
Part time: 4,066 hours
Stage of operation: CR
Nature of condition: X, J
Precautionary procedure: E

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) CRUISING AT 35,000 FEET AND ALL SYSTEMS NORMAL. THERE WAS A LOUD BANG, TIT WENT TO MAX., AND ENGINE FLAMED OUT. AIRCRAFT TURNED AROUND AND RETURNED TO ORIGIN. AFTER TEARDOWN, HP TURBINE BLADE SEPARATION WAS FOUND TO BE THE CAUSE OF THE FAILURE.

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