SDR HEEA079756

Service difficulty report · Transceiver · Bell 214ST

Difficulty date
May 31, 2002
Submitted
June 10, 2002
Operation
Air carrier
Aircraft
N8045T
Make and model
Bell 214ST
Aircraft serial
28101
Aircraft time
11,157 hours
Part
Transceiver
Part number
064102300
Part serial
6566
Condition
Intermittent
Location
Vhf System
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

RECEIVES AND TRANSMITS INTERMITTENT. FOUND WHEN UNIT STOPPED RECEIVING THAT VCO VOLTAGE WAS FAR OUT OF SPECS. FOUND C/N SQUELCH HARD TO ADJUST TO SPECS AND RECEIVER HAS MOTORBOATING AND HIGH PITCH NOISE. ADJUSTED VCO AND ALIGNED RECEIVER SEVERAL TIMES. RESOLDERED COMPONENTS IN VCO SECTION AND RECEIVER WAS NO LONGER INTERMITTENT BUT STILL HAD MOTORBOATING AND HIGH PITCH NOISE AND HARD TO ADJUST C/N SQUELCH. REPLACED Q304, Q305, AND Q309 CAPACITOR. REPLACED C368 AND C372 CAPACITORS AND L310 COIL. REPLACED C370 CAPACITOR. REPAIRED. BENCH CHECK GOOD.

More about the Bell 214ST