Service difficulty report · Turbine · Snias AS350B2

Difficulty date
April 16, 2003
Submitted
May 27, 2003
Operation
Air carrier
Make and model
Snias AS350B2
Aircraft time
7,168 hours
Engine
Tmeca ARRIEL1D1
Part
Turbine
Part number
0292253350
Condition
Damaged
Location
2nd Stage
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

(CAN) THE ENGINEERS WERE CARRYING OUT THE ALERT SERVICE BULLETIN A292-72-0263.SUBJECT: CHECK OF RELATIVE POSITION OF 2ND STAGE TURBINE BLADES.THIS CHECK OF THE POSITION OF 2ND STAGE TURBINE BLADES CAN BE CARRIED OUT BY TWO METHODS WITHOUT DISASSEMBLY AND WITH DISASSEMBLY.WE WERE USING METHOD 1 AND THE RELATIVE POSITION OF THE 2ND STAGE BLADES WERE OUT OF THE ALLOWABLE LIMITS. THE GAS GENERATOR WAS REMOVED AND SENT TO AN APPROVED REPAIR STATION.