Service difficulty report · Engine · Boeing 747230B

Difficulty date
July 11, 2003
Submitted
August 28, 2003
Operation
Air carrier
Aircraft
N508MC
Make and model
Boeing 747230B
Aircraft serial
21644
Engine
Ge CF650E2
Part
Engine
Condition
Malfunctioned
Location
Nr 3
Stage of operation
TO
How discovered
O
Nature of condition
M
Precautionary procedure
J, E, A

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

What was found

DURING TAKEOFF NR 3 ENGINE HAD EXCEEDANCE OF PEAK TEMPERTURE OF 994 DEGREES FOR A 91 SECOND DURATION. THRUST LEVER WAS RELATIVE TO THE SAME POSITION AS OTHERS. TAKEOFF N1 WAS 113.5 DUE TO EXCEEDING 990 DEGREES THE ENGNE WAS SHUT DOWN. APPROXIMATELY 23,000 KGS OF FUEL DUMPED EN ROUTE TO AMS. EGT OVERTEMP ALREADY ON DMI N03-029. PERFORMED VISUAL INSPECTION IAW MM 72-00-00 PAGE 680 FV. OPENED ENGINE COWLS AND VISUALLY INSPECTED COOLING DUCT ETC. ALL SATISFACTORY. ENGINE TO BE REPLACED AT JFK 7/12/03. REMOVED AND REPLACED NR 3 ENGINE PER ATLAS FORM 01-AA-45 AND ACCOMPLISHED ENGINE RUNS PER MM 71-00-00, TEST 1, 3, 8 AND 4. NIL LEAKS NOTED. (M)