Service difficulty report · Unknown · Bell 407

Difficulty date
December 2, 2023
Submitted
December 6, 2023
Operation
Air carrier
Aircraft
N404LL
Make and model
Bell 407
Aircraft serial
53446
Aircraft time
10,295 hours, 27,276 cycles
Engine
Allsn 250C47B
Engine time
4,661 hours, 10,897 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
Stage of operation
AA
How discovered
O
Nature of condition
B
Precautionary procedure
O

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

What was found

FLIGHT CREW REPORTED FUEL ODOR IN REAR CABIN. I INSPECTED FUEL BOOST PUMP COVERS AND CAVITY DRAINS NO LEAKS NOTED. INSPECTED ALL FUEL LINES INCLUDING VENT LINES IN AFT BAGGAGE AREA LO LEAKS OR DEFECTS NOTED. HAD PILOT RUN ENGINE AT 100% AND INSPECTED ALL FUEL LINES IN ENGINE COMPARTMENT NO LEAKS OR DEFECTS NOTED. FLEW WITH CREW AND MYSELF FOR 1 HOUR AND POSSIBLE FUEL SMELL NOTED ON LIFT OFF AND DURING BANK TURN. TOUCHED DOWN IN NEEDLES, CALIFORNIA AND INSPECTED BOOST PUMP COVERS AND ENGINE COMPARTMENT, NO LEAKS OR DEFECTS NOTE. RETURNED TO BASE IN KINGMAN, ARIZONA. SUSPECTED FUEL CAP AS ANOTHER TECH REPORTED FUEL CAP ISSUE. CAP WAS SECURE AND CLEANED SEAL WITH ALCHOHOL, AS SEAL WAS NOTED TO HAVE A DISCOLORATION. RETURNED AIRCRAT TO SERVICE AND AFTER SEVERAL FLIGHTS NO REPORTS OF ANY FUEL SMELL.

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