Service difficulty report · Blade

Difficulty date
May 17, 1996
Submitted
March 26, 2000
Operation
Air carrier
Engine
Lyc ALF502R5
Part
Blade
Condition
Fractured
Location
#1 Turbine Disc
Part time
7,516 hours
Component
Lyc · 212109063
Stage of operation
TO
Nature of condition
R, Y
Precautionary procedure
C

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

What was found

(CAN)ON TAKEOFF JUST AFTER POWER SET, A BANG HEARD & #3 FAN SPEED DROPPED TO "0" RPM. TAKEOFF REJECTED & #3 ENGINE SHUTDOWN. ENGINE TEARDOWN REVEALED SEVERE DAMAGE STARTING AT THE #1 TURBINE DISC REARWARD.NO DAMAGE NOTED AHEAD OF THE DISC OTHER THAN THE TRAILING EDGE OF THE #1 NOZZLE WHICH INDICATES A BLADE FAILURE ON THE #1 TURBINE DISC.