SDR CA040407011

Service difficulty report · Tape · Bell 212

Difficulty date: April 7, 2004
Submitted: October 5, 2004
Operation: General aviation
Make and model: Bell 212
Aircraft time: 18,363 hours
Engine: Pwa PT6T3
System (JASC): 3420 · Attitude and Direction Data System
Part: Tape
Condition: Improper Part
Location: Gyros
Stage of operation: IN
How discovered: 9
Nature of condition: W
Precautionary procedure: K

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

What was found

(CAN) ADHESIVE BACKED LEAD TAPE HAD BEEN USED TO BALANCE THE PITCH ERECTION VANES. IAW MANUFACTURER'S SERVICE ADVISORY NR 75, DATED JANUARY 25, 1985, LEAD TAPE SHOULD NOT BE USED TO BALANCE AIM GYROS AS IT CAN FALL OFF AND CAUSE THE GYRO TO BECOME INOPERATIVE.

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