What was found
CREW REPORTED THAT THE STAND-BY ATTITUDE INDICATOR INDICATES LEFT BANK IN LEVEL FLIGHT. FUNCTIONAL CHECKS FOUND THE STAND-BY HORIZON GYRO DEFECTIVE. REPLACED THE GYRO WITH OVERHAULED UNIT, FUNCTIONAL CHECKS SATISFACTORY.
- Difficulty date
- June 1, 2011
- Submitted
- June 6, 2011
- Operation
- Air carrier
- Aircraft
- N271PS
- Make and model
- Gulstm GIV
- Aircraft serial
- 1059
- Aircraft time
- 8,331 hours, 3,265 cycles
- System (JASC)
- 3421 · Attitude Gyro and Indicating System
- Part
- Gyro
- Part number
- H341AUM
- Part serial
- AB757
- Condition
- Defective
- Location
- Cockpit
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.