What was found
DIVERSION - STANDBY ATTITUDE GYRO BEGAN MAKING NOISE AND STARTED TILTING. CYCLED C/B AND GYRO TUMBLED AND WOULD NOT ERECT. GYRO FLAG IN VIEW. REMOVED AND REPLACED STANDBY HORIZON PER MM.
- Difficulty date
- February 25, 2001
- Submitted
- March 5, 2001
- Operation
- Air carrier
- Aircraft
- N740SW
- Make and model
- Boeing 7377H4
- Aircraft serial
- 29276
- Aircraft time
- 8,408 hours, 5,327 cycles
- System (JASC)
- 3421 · Attitude Gyro and Indicating System
- Part
- Indicator
- Part number
- H341BWM
- Condition
- Failed
- Location
- Inst Panel
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.