Service difficulty report · Tube · Bell 407

Difficulty date
November 27, 2018
Submitted
November 28, 2018
Operation
Air carrier
Aircraft
N407CR
Make and model
Bell 407
Aircraft serial
53254
Aircraft time
7,148 hours, 35,059 cycles
Engine
Allsn 250C47B
Engine time
1,999 hours, 5,781 cycles
Part
Tube
Condition
Leaking
Location
Eng Compressor
Part time
2,120 hours, 6,176 cycles
Stage of operation
CR
How discovered
V
Nature of condition
J
Precautionary procedure
A

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

What was found

PILOT MADE A PL WITHOUT INCIDENT NEAR SIX MILE, SC, NO PATIENT ON BOARD WHILE REPOSITIONING THE ACFT. THE ENGINE OIL PRESSURE WAS INDICATING LOW AND FLUCTUATING. UPON MECHANICS INSPECTION, IT WAS DETERMINED THAT THE COMPRESSOR #1 BEARING OIL SUPPLY TUBE HAD DEVELOPED A LEAK WHICH IS INTERGRAL TO THE INTAKE HOUSING.

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