SDR 96ZZZX3730

Service difficulty report · Compressor · Bell 206B

Difficulty date: June 4, 1996
Submitted: March 26, 2000
Operation: General aviation
Make and model: Bell 206B
System (JASC): 2150 · Cabin Cooling System
Part: Compressor
Part number: JBS2201
Condition: Interference
Location: Cooling System
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

BHT 206, TH-67 IFR AIRCRAFT WITH ENVIRONMENTAL COOLING SYSTEM OPERATING, WHEN THE HSI IS IN 'SLAVE' POSITION, THE HSI NEEDLE DRIFTS 4 TO 6 DEGREES. SUSPECT EMI FROM ENVIRONMENTAL COOLING SYSTEM COMPRESSOR CLUTCH ASSEMBLY. SUBMITTER STATES THE INTERFERENCE IS OCCURRING ON ALL 206B SERIES ROTORCRAFT.

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