What it covers
The gyroscopic unit which supplies attitude information to the necessary systems; for instance, vertical reference outputs for use as roll and pitch data to the autopilot computer. Includes the instruments operating by the gyroscopic principle, driven by air flow or an electric motor. Typical parts are vertical gyro and the gyro horizon.
Service difficulty reports · 1,142
Reports filed under 3421, newest first.
| 1995 | 79 |
|---|---|
| 1996 | 91 |
| 1997 | 128 |
| 1998 | 143 |
| 1999 | 77 |
| 2000 | 30 |
| 2001 | 70 |
| 2002 | 73 |
| 2003 | 132 |
| 2004 | 33 |
| 2005 | 36 |
| 2006 | 22 |
| 2007 | 12 |
| 2008 | 9 |
| 2009 | 12 |
| 2010 | 20 |
| 2011 | 28 |
| 2012 | 23 |
| 2013 | 12 |
| 2014 | 4 |
| 2015 | 4 |
| 2016 | 13 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 11 |
| 2022 | 14 |
| 2023 | 10 |
| 2024 | 13 |
| 2025 | 10 |
| 2026 | 16 |
SDR A6WA202609298915Indicator · faultedIN LEVEL FLIGHT STANDBY ATTITUDE INDICATOR SLOWLY CHANGES TO 75 DEGREES NOSE DOWN ATTITUDE, CAGED INDICATOR AND NO CHANGES. AIRCRAFT REMOVED FROM SERVICE. R & R ISI STBY IND OPS CNAD LK CK GOOD AT THIS TIME REF AMM 34-14-01SDR UIEA2026092000888Indicator · failedSTBY ATTITUDE INDICATOR FAILED AFTER TAKEOFF. REMOVED AND REPLACED STANDBY ATTITUDE INDICATOR AS PER AMM 34-24-01/401 AND AIPC 34-24-01-05. OPS CHECK PASSED, NO FURTHER DEFECTS NOTED.</P>)SDR COEA2026081703856Indicator · faultedFLIGHT 7675 ENROUTE LMT-PDX AIR TURNBACK/DISCREPANCY: STANDBY ATTITUDE INDICATOR UNRELIABLE DURING CLIMB. RETURNED TO LMT. LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY DECLARED. CORRECTIVE ACTION: REPLACED THE STANDBY ATTITUDE INDICATOR.
See all 1,142 reports