Service difficulty report · Coupling · Saab 340B

Difficulty date
April 27, 2004
Submitted
April 29, 2004
Operation
Air carrier
Aircraft
N312CE
Make and model
Saab 340B
Aircraft serial
340B334
Aircraft time
23,276 hours, 26,378 cycles
Engine
Ge CT79B
Engine time
25,557 hours, 28,086 cycles
Part
Coupling
Part number
12J63125
Condition
Buckled
Location
Bleed Air
Stage of operation
CL
How discovered
O
Nature of condition
M, J
Precautionary procedure
B

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

What was found

AFTER TAKEOFF NOTED L/H ENGINE OVERTEMP LIGHT ON. ITT OF 985 – REDUCED POWER TO 80%, ITT WENT TO 878. UNCOMMANDED ENGINE SHUTDOWN DURING CLIME OUT. L/H HP LINE BECAME DISCONNECTED DAMAGING INTERNAL STRUCTURE OF L/H ENGINE COWLING.

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