SDR Q2SA748010

Service difficulty report · Engine · Boeing 747206B

Difficulty date
April 30, 2010
Submitted
May 4, 2010
Operation
Air carrier
Aircraft
N748SA
Make and model
Boeing 747206B
Aircraft serial
21110
Engine
Ge CF650E2
Part
Engine
Part number
CF650
Part serial
517393
Condition
Malfunctioned
Location
Nr 3
Part time
57,345 hours, 31,537 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

DURING CLIMBOUT OF FL130 FROM SCEL THERE WAS VIBRATION FOLLOWED BY A LOUD BANG, ACCOMPANIED BY YAW AND HIGH EGT ON NUMBER 3 ENGINE. THE EGT LIGHTS FOR NR 3 CAME ON AND THE GAUGE INDICATION, PEGGED OUT. ENGINE SHUTDOWN RECALL ITEMS AND THE SEVERE DAMAGE CHECKLIST WERE ACCOMPLISHED TO GW 635,000 POUNDS. NORMAL THREE ENGINE APPROACH AND LANDING WERE CONDUCTED TO RUNWAY 17R AND NO SPECIAL ASSISTANCE WAS REQUIRED AFTER LANDING OR TAXI TO RAMP. REMOVED AND REPLACED NR 3 ENGINE IAW, SAI, RNR 4771001R2.