Service difficulty report · Lp Turbine · Boeing 7373T0

Difficulty date
May 22, 2000
Submitted
August 22, 2000
Operation
Air carrier
Aircraft
N17356
Make and model
Boeing 7373T0
Aircraft serial
23942
Aircraft time
36,446 hours, 20,397 cycles
Engine
Ge CFM563B1
Engine time
30,538 hours, 15,283 cycles
Part
Lp Turbine
Condition
Failed
Location
Nr 2 Engine
Stage of operation
CL
How discovered
O
Nature of condition
Y, J
Precautionary procedure
A

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

What was found

THE NR 2 ENGINE QUIT RUNNING SHORTLY AFTER TAKEOFF FROM IAH. THE AIRCRAFT WAS RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. INITIAL EXAMINATION OF THE NR 2 ENGINE REVEALED THAT THE LPT HAD FAILED AND THE FAILURE WAS CONTAINED. THE NR 2 ENGINE WAS REMOVED AND REPLACED. *S/D* INVESTIGATION CONCLUDED THAT THE PRIMARY CAUSE OF ENGINE FAILURE WAS DUE TO FAILURE OF HPT FORWARD ROTATING AIR SEAL.