SDR 97ZZZX500

Service difficulty report · Diode · Bell 206L3

Difficulty date: December 4, 1996
Submitted: March 26, 2000
Operation: General aviation
Aircraft: N94WP
Make and model: Bell 206L3
Aircraft serial: 51360
System (JASC): 8010 · Engine Cranking
Part: Diode
Part number: 301265AA
Condition: Failed
Location: Battery Relay
Part time: 1,741 hours
Component: A1077V
Stage of operation: IN
Nature of condition: B
Precautionary procedure: K

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

What was found

WHILE ATTEMPTING A START THE PILOT REPORTS SMOKE. INVESTIGATION FOUND THE FOLLOWING WIRES BURNT, P16A22, P17A22, AND P18A22N, ALONG WITH DIODE 30-126-5AA (MM WIRING DIAGRAM NR 2CR1) FOUND DIODE ALLOWING CURRENT TO FLOW BOTH DIRECTIONS CREATING A SHORT TO GROUND. DIODE FAILED FOR UNKNOWN REASONS.

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