Service difficulty report · Oil Tank · Bell 407

Difficulty date
June 27, 1997
Submitted
March 26, 2000
Operation
General aviation
Make and model
Bell 407
Engine
Allsn 250C47B
Part
Oil Tank
Part number
206061505115
Condition
Cracked
Location
Top
Part time
696 hours
Stage of operation
IN
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) OIL FOUND ON DECK UNDER ENGINE OIL RESERVIOR. FOUND OIL TANK CRACKED ON TOP. ALSO FOUND BROKEN OIL TANK SUPPORTS AND OIL COOLER BLOWER SUPPORT BRACKETS. BROKEN ANGLE BRACKETS AT STA 192.0, WL 73.25. CAUSE OF CRACKS APPEARS TO BE EXCESSIVE VIBRATION OF T/R DRIVE OIL COOLER BLOWER SHAFT/FLYWHEEL ADAPTER.

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