SDR QMLA2024101120131

Service difficulty report · Unknown · Bell 407

Difficulty date: October 10, 2024
Submitted: October 11, 2024
Operation: Air carrier
Aircraft: N408SH
Make and model: Bell 407
Aircraft serial: 54467
Aircraft time: 4,060 hours, 16,736 cycles
Engine: Allsn 250C47B
Engine time: 5,676 hours, 10,893 cycles
System (JASC): 2120 · Air Distribution System
Part: Unknown
Condition: Odor
Location: Cabin
Stage of operation: CL
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

SMELL OF ELECTRICAL BURNING IN FLIGHT AFT CABIN, NOTICED BY AIRCREW. INSPECTED AFT BAGGAGE COMPARTMENT, UPPER AVIONICS BAY INCLUDING WIRING AND RELAYS. GROUND RUNS AND OPS CHECK GOOD, NO DEFECTS NOTED. THIS AIRCRAFT HAS BEEN RETURNED TO REVENUE SERVICE. REF# MEC-000804

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