SDR OXK2006F00000

Service difficulty report · Gearshaft · Mtsbsi MU2B35

Difficulty date: February 15, 2006
Submitted: April 20, 2006
Operation: Air carrier
Aircraft: N640MA
Make and model: Mtsbsi MU2B35
Aircraft serial: 590
Engine: Garrtt TPE3316252M
System (JASC): 7712 · Engine BMEP/Torque Indicating
Part: Gearshaft
Part number: 8968042
Part serial: 2648
Condition: Failed
Location: Gearbox
Part time: 3,369 hours
Stage of operation: CR
How discovered: O
Nature of condition: Y
Precautionary procedure: O

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

What was found

ENGINE, SN P20186, EXPERIENCED AN UN-COMMANDED INFLIGHT SHUTDOWN, ON SITE INSPECTION REVEALED THAT THE FUEL PUMP DRIVE TRAIN HAD BECOME UNCOUPLED. TEARDOWN INSPECTION REVEALED FAILURE OF SPUR GEARSHAFT PN 8968042, COMPONENT OF TORQUE SENSOR PN 31017262, SN P2648 WITH 3369.8 TSO. THIS ARICRAFT IS IN COMPLIANCE OF ALL APPLICABLE AD. (K)