Service difficulty report · Turbine

Difficulty date
January 26, 2005
Submitted
March 3, 2005
Operation
General aviation
Engine
Pwa JT15D1A
Part
Turbine
Condition
Failed
Location
Engine
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

(CAN) ENGINE WAS FOUND TO HAVE SUSTAINED A MAJOR INTERNAL FAILURE WITH EXTENSIVE DAMAGE TO THE IMPELLER AND THE ENTIRE TURBINE SECTION OF THE ENGINE. EVIDENCE OF A FAILED NR 2 BEARING, AN HP VANE ASSEMBLY WITH EXTENSIVE BURNING AND LOSS OF MATERIAL, AN HP TURBINE WITH FRACTURED AIRFOILS, AND AN LP TURBINE MISSING ALL OF THE FIRST STAGE ROTOR BLADES, THE PRIMARY FAILURE IS NOT IMMEDIATELY OBVIOUS AND THE POSSIBILITY OF COINCIDENTAL FAILURES EXISTS. THE ENGINE WILL BE CANNABALIZED TO SALVAGE ANY UNDAMAGED COMPONENTS FOR POSSIBLE RE-SALE. ALL ENGINE BEARINGS WILL BE SCRAPPED REGARDLESS OF CONDITION DUE TO THE AMOUNT OF METAL CONTAMINATION AND CONDITION OF THE ENGINE.