Service difficulty report · Shaft

Difficulty date
March 13, 2000
Submitted
April 27, 2000
Operation
General aviation
Engine
Ge CF650*
Part
Shaft
Part number
1703A38G02
Part serial
GWNHB606
Condition
Damaged
Location
Engine Spool
Part time
7,874 cycles
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

AFTER SHOP MAINTENANCE AND RETURN TO SERVICE, ENGINE SUSTAINED TRANSPORT DAMAGE TO FAN SECTION. THE ENGINE WAS RETURNED TO THE SHOP FOR REPAIR AND TEST RUN. DURING TEST RUN, OIL LEAKAGE OCCURRED FORCING A DISASSEMBLY OF THE ENGINE. AFTER DISASSEMBLY, NOTED THE 11/14 SPOOL SHAFT HAD A CRACK IN THE THREADED AREA WHERE THE AIR DUCT CONNECTS. THIS PART IS UNDER INVESTIGATION BY GE AND KLM. PART LIFE LIMIT: 10,000 HOURS. (X)