SDR HEEA979182

Service difficulty report · Transciever · Bell 412

Difficulty date: March 12, 1997
Submitted: March 26, 2000
Operation: Air carrier
Make and model: Bell 412
System (JASC): 2312 · VHF Communications System
Part: Transciever
Part number: 064102300
Condition: Defective
Location: Cockpit Vhf
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

LOOSE PARTS INSIDE. FOUND COIL L505 BROKEN AND LOOSE ON TRANSMITTER BOARD. REPLACED L505 COIL. PERFORMED SERVICE BULLETIN NO. KTR908-2 TO INCREASE RELIABILITY OF MODULATOR CIRCUITRY. ADJUSTED POWER OUT, MODULATION, SIDETONE, SQUELCH AND CARRIER. UNIT BENCH CHECKGOOD.

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