Service difficulty report · Blade · Boeing 747133

Difficulty date
October 2, 1998
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Boeing 747133
Engine
Pwa JT9D7
Part
Blade
Condition
Fractured
Location
Compressor
Stage of operation
CL
Nature of condition
J
Precautionary procedure
A

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

What was found

(CAN) NR 2 ENGINE FAILED IN CLIMB. IN-FLIGHT SHUTDOWN CARRIED OUT AT 9,400 FEET, SPEED 250 KNOTS, BIG BANG FELT/HEARD, WITH HIGH EGT AND LIGHT ON. FLIGHT RETURNED TO ITS DEPARTURE POINT. BORESCOPE INSPECTION FOUND 1ST STAGE TURBINE BLADE FRACTURED AND DOWN STREAM DAMAGE TO 2ND STAGE TURBINE BLADES AND THE LP TURBINE VANES AND BLADES. ENGINE TAKEN OUT OF SERVICE AND WILL BE SOLD.