SDR HEEA0010989

Service difficulty report · Transceiver · Bell 206B3

Difficulty date: September 10, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N2277A
Make and model: Bell 206B3
Aircraft serial: 3630
System (JASC): 3452 · ATC Transponder System
Part: Transceiver
Part number: 066106200
Condition: Failed
Location: Cockpit Atc
Component: KT76
Stage of operation: IN
Nature of condition: O
Precautionary procedure: K

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

What was found

AFTER UNIT HEATS UP, RECEIVER SENSE DECREASES. PERFORMED PRELIMINARY INSPECTION, FOUND AFTER UNIT HEATS UP AND IS TURNED OFF AND BACK ON UNIT RECEIVER BUT NO TRANSMIT. TROUBLESHOT AND REPLACED TRANSISTOR Q417, Q418, Q419, REPLACED R472 VARIABLE RESISTOR, REPAIRED. HEATED AND VIBRATED UNIT,BENCH CHECK GOOD.

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