SDR HEEA979185

Service difficulty report · Transceiver · Bell 206L3

Difficulty date
March 12, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N129MR
Make and model
Bell 206L3
Aircraft serial
51129
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

FAILS TO IDENT. FOUND UNIT NOT RECEIVING OR TRANSMITTING. FOUND -6.2V LINE BAD. FOUND LEGS OF TRANSISTOR Q402 BROKEN WHEN REMOVING FOR CHECKING. REPLACED TRANSISTOR Q402. UNIT STILL NOT TRANSMITTING AND DRAWS MORE CURRENT THAN NORMAL. REPLACED CAVITY OSCILLATORV101. REPAIRED. FOUND PULSES ON SCOPE TO BE ERRATIC WHEN 7'S ARE DIALED UP ON TRANSPONDER. REPLACED TRANSISTOR Q401. REPAIRED. REPLACED PHOTOCELL V301 DUE TO WEAK REPLY LIGHT. COOKED, VIBRATED AND PUT UNIT IN FREEZER. BENCH CHECK GOOD.

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