SDR HEEA954615

Service difficulty report · Transciever · Bell 412

Difficulty date: March 23, 1995
Submitted: March 26, 2000
Operation: General aviation
Aircraft: N7128R
Make and model: Bell 412
Aircraft serial: 36007
System (JASC): 2312 · VHF Communications System
Part: Transciever
Part number: 064102300
Condition: Defective
Location: Cockpit Vhf
Stage of operation: NR
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

BREAKS SQUELCH AND WILL NOT RE-SQUELCH. INSPECTED AND FOUND HEAVY CORROSION THROUGH MAIN BOARD NEAR CONNECTOR J5981. FOUND MAIN BOARD TO BE UNREPAIRABLE. REPLACED MAIN BOARD AND 2 EACH INSULATORS. ADJUSTED POWER OUT, SIDETONE, MODULATION, AND TRANSMIT COMPRESSOR. BENCH CHECK GOOD.

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