SDR 2016F00216

Service difficulty report · Turbine Blades · Boeing 747412F

Difficulty date
November 3, 2016
Submitted
November 4, 2016
Operation
Air carrier
Aircraft
N742WA
Make and model
Boeing 747412F
Aircraft serial
27071
Aircraft time
75,898 hours, 10,375 cycles
Engine
Pwa PW4056
Engine time
84,548 hours, 12,836 cycles
Part
Turbine Blades
Condition
Damaged
Location
Nr 2 Engine
Part time
84,548 hours, 12,836 cycles
Stage of operation
CL
How discovered
O
Nature of condition
E, M
Precautionary procedure
E, J

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

What was found

ON CLIMB OUT DEPARTING KMIA NR 2 ENGINE EXPERIENCED HIGH EGT, THROTTLE RETARDED , MINUTES LATER LOUD NOISE WAS HEARD, EGT CLIMBED TO 777 DEGREES CELSIUS AND ENGINE SHUT DOWN PROCEDURE WAS ACCOMPLISHED, FUEL WAS DUMPED AND RTB KMIA. AFTER PARKING FOUND EXCESSIVE TURBINE BLADE DAMAGE.