Service difficulty report · Liner · Bell 206B3

Difficulty date
March 5, 2003
Submitted
April 14, 2003
Operation
Air carrier
Make and model
Bell 206B3
Engine
Allsn 250C20B
Part
Liner
Part number
6871486A
Condition
Cracked
Location
Engine
Stage of operation
IN
How discovered
9
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

(AUS) ENGINE COMBUSTION LINER FAULTY. THE LINER WAS NOT CLEAN SO IT WOULD HAVE BEEN DIFFICULT TO ASCERTAIN SERVICEABILITY A POSSIBLE CRACKED WELD APPROXIMATELY 75MM (2.95IN) LONG RUNNING FROM THE 6 O'CLOCK TO THE 8 O'CLOCK POSITION. ONE CRACK APPROXIMATELY 25MM (0.984IN) LONG AT THE 7.30 O'CLOCK POSITION. ONE CRACK APPROXIMATELY 65MM (2.55IN) LONG RUNNING FROM THE 8 O'CLOCK TO 9.30 O'CLOCK POSITION AS YOU LOOK AT THE OPEN END OF THE LINER.

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