SDR 98ZZZX2014

Service difficulty report · Combustion Case · Bell 407

Difficulty date
March 24, 1998
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N58236
Make and model
Bell 407
Aircraft serial
53069
Engine
Allsn 250C47B
Part
Combustion Case
Part number
23030911
Condition
Cracked
Location
Fuel Nozzle
Part time
821 hours
Stage of operation
IN
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

HIGHER THAN NORMAL MGT INDICATION BY PILOT WAS REPORTED. INSPECTED AND PERFORMED TEST OF MEASURED GAS TEMPERATURE SYSTEM. NO ANOMALLY OBSERVED. UPON FURTHER INSPECTION FOUND SEAM WELDS AROUND FUEL NOZZLE BOSS CRACKED ALLOWING COOLING AIR TO ESCAPE.

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