Service difficulty report · Engine · Boeing 74747UF

Difficulty date
November 2, 2010
Submitted
November 8, 2010
Operation
Air carrier
Aircraft
N409MC
Make and model
Boeing 74747UF
Aircraft serial
30588
Aircraft time
46,199 hours, 6,953 cycles
Engine
Ge CF680
Part
Engine
Part number
CF680C2B5F
Part serial
706200706123
Condition
Shutdown
Location
Nr 1
Part time
41,833 hours, 7,145 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
E, A

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

What was found

SHORTLY AFTER TAKEOFF NR1 ENGINE OIL FILTER ILLUMINATED. SHUTDOWN ENGINE. ON ARRIVAL FOUND EICAS SHOWN OIL QTY READING 1 FOR NR1 ENGINE. ON INSP FOUND OIL IN THE TAIL PIPE. CHECKED MAIN CHIP DETECTOR AND "B" SUMP FOUND HEAVY METAL DEPOSIT ON CHIP DETECTORS. TRANSFER GEAR BOX INLET SCREEN AND NOTED MONITOR DEPOSIT OF METAL. FIM 79-21-04/ 79-21-06/ 79-00-00. ENGINE R & R

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