Service difficulty report · Manifold · Snias AS350B2

Difficulty date
April 9, 2008
Submitted
April 23, 2008
Operation
Air carrier
Aircraft
N112AK
Make and model
Snias AS350B2
Aircraft serial
3254
Engine
Tmeca ARRIEL1D1
Part
Manifold
Part number
0292208230
Part serial
980B
Condition
Coked
Location
Fuel Injection
Part time
10,364 hours
Component
Module 3 · Tmeca
Component part number
70BM035420
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

FUEL COKING DEPOSITS FORMED IN FUEL INJECTION MANIFOLD AIR/FUEL LABRYNTH SEAL, CAUSING DRAG ON AXIAL ROTATING COMPONENTS OF THE ENGINE ASSY, PREVENTING THE START SEQUENCE OF THE ENGINE. (K)