SDR 9623299301

Service difficulty report · Vertical Gyro · Doug DC982

Difficulty date: November 3, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N301RC
Make and model: Doug DC982
Aircraft serial: 48054
System (JASC): 3421 · Attitude Gyro and Indicating System
Part: Vertical Gyro
Condition: Malfunctioned
Location: Nr 1
Stage of operation: CL
Nature of condition: J
Precautionary procedure: A

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

What was found

DURING CLIMB, CAPTAIN'S ADI BEGAN PRECESSING, TESTED OK ON PREFLIGHT. AUTO-PILOT DISCONNECTS AND WILL NOT ENGAGE IN NR 1 OR NR 2. REPLACED THE NR 1 VERTICAL GYRO. RAN RTS CHECK ON BOTH NR 1 AND NR 2 AUTO-PILOT AND FLIGHT DIRECTOR. RERAN BOTH ON APU POWER AND BOTH OPERATIONALLY CHECKED GOOD.

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