SDR HEEA084624

Service difficulty report · Transceiver · Bell 412

Difficulty date: February 14, 2003
Submitted: February 21, 2003
Operation: Air carrier
Aircraft: N2149S
Make and model: Bell 412
Aircraft serial: 36002
Aircraft time: 13,883 hours
System (JASC): 2312 · VHF Communications System
Part: Transceiver
Part number: 064102300
Part serial: 7328
Condition: Damaged
Location: Vhf System
Stage of operation: NR
How discovered: 9
Nature of condition: O
Precautionary procedure: O

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

What was found

VHF TRANSCEIVER RF CONNECTOR LOOSE. TIGHTENED CONNECTOR AND RESOLDERED LOOSE WIRE ON CONNECTOR. REPAIRED. REMOVED CORROSION FROM CHASSIS. REPLACED BAD TRANSISTOR INSULATORS ON Q108, Q109 AND Q110 TRANSISTORS. REPLACED BAD Q110 TRANSISTOR SOCKET, REPAIRED. ADJUSTED C/N SQUELCH, CARRIER SQUELCH, AND ALIGNED TRANSMITTER. BENCH CHECK GOOD.

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