SDR EIAA970203

Service difficulty report · Vertical Gyro · Doug DC933F

Difficulty date: November 3, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N933F
Make and model: Doug DC933F
Aircraft serial: 47191
System (JASC): 3421 · Attitude Gyro and Indicating System
Part: Vertical Gyro
Part number: 258733512
Condition: Failed
Location: Nr 1
Stage of operation: CR
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

SEA - CAPTAINS ATTITUDE FLAG APPEARED WITH RED WARNING ARROW, ATTITUDE INST SPILLED AND THEN RE-ERRECTED AND DURING TURN TO RETURN TO SEA, INSTRUMENT REMAINED FROZEN IN PLACE. REMOVED AND REPLACED VERTICAL GYRO PER MM 34-27-1 SYSTEM TESTED NORMAL. (M)

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