Service difficulty report · Motor · Bell 407

Difficulty date
June 17, 2022
Submitted
June 17, 2022
Operation
Air carrier
Aircraft
N434AM
Make and model
Bell 407
Aircraft serial
54407
Aircraft time
4,105 hours, 13,030 cycles
Engine
Allsn 250C47B
Engine time
6,715 hours, 17,574 cycles
Part
Motor
Part number
S6164EC3
Condition
Faulted
Location
Blower
Stage of operation
AA
How discovered
O
Nature of condition
B
Precautionary procedure
A

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

What was found

PILOT RECEIVED A CALL FOR AN INTER HOSPITAL TRANSFER. APPROXIMATLY 6 MINUTES POST DEPARTURE FROM BASE THE FLIGHT CREW STARTED SMELLING SMOKE. A SHORT DISCUSSION TOOK PLACE BETWEEN THE CREW VERIFIYING ALL HAD SMELLED "SMOKE" AT WHICH TIME THE PILOT MADE THE DECISION TO PL @ THE LOCAL HIGHSCHOOL PARKING LOT. DURING THE APPROACH PILOT STATES THE SMELL BECAME STRONGER. ONCE ON THE GROUND THE PILOT INSTRUCTED THE MED CREW TO EVAC AND GET CLEAR OF THE AIRCRAFT. PILOT THEN STATED A PUFF OF SMOKE (VISABLE CLOUD) CLEARLY CAME FROM PILOT SIDE BLOWER MOTOR. PILOT SHUT OFF THE A/C SYSTEM/ BLOWERS & FOLLOWED SHUTDOWN PROCEDURES. PILOT STATED THE REMAINDER OF SHUTDOWN WAS NORMAL.

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