Service difficulty report · Seal · Bell 206A

Difficulty date
October 17, 2002
Submitted
January 6, 2003
Operation
Air carrier
Make and model
Bell 206A
Aircraft time
11,749 hours
Engine
Allsn 250C20
Part
Seal
Part number
23053320
Condition
Warped
Location
Engine Oil
Stage of operation
IN
How discovered
C
Nature of condition
K
Precautionary procedure
K

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

What was found

(CAN) AME INSTALLED TURBINE ASSEMBLY FOLLOWING REPAIR. ON GROUND RUN, OIL LEAK WAS OBSERVED BETWEEN PT SUPPORT AND THE EXTERNAL OIL SUMP. SUMP WAS REMOVED AND SEALING FLANGE INSPECTED WITH A STRAIGHT EDGE. SEALING FLANGE WAS WARPED EXCESSIVELY (CRUSH SEAL FAILED TO PREVENT OIL LEAK). AME REPLACED EXTERNAL OIL SUMP AND CRUSH SEAL. A/C RETURNED TO SERVICE.

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