What it covers
The system used to indicate the operation or activation of the main rotor. Includes lights, gauges, switches, wiring, etc.
Service difficulty reports · 676
Reports filed under 6240, newest first.
| 1995 | 43 |
|---|---|
| 1996 | 48 |
| 1997 | 81 |
| 1998 | 137 |
| 1999 | 63 |
| 2000 | 3 |
| 2001 | 15 |
| 2002 | 14 |
| 2003 | 36 |
| 2004 | 6 |
| 2005 | 7 |
| 2006 | 6 |
| 2007 | 1 |
| 2008 | 1 |
| 2009 | 1 |
| 2010 | 3 |
| 2011 | 3 |
| 2012 | 1 |
| 2013 | 3 |
| 2015 | 1 |
| 2019 | 62 |
| 2020 | 79 |
| 2021 | 23 |
| 2022 | 13 |
| 2023 | 12 |
| 2024 | 5 |
| 2025 | 6 |
| 2026 | 3 |
SDR QR9R2026091600001Sensor · intermittentLOW ROTOR RPM LT AND AUDIO INTERMITTENTLY ACTIVE WHILE HOVER TAXIING, ALL OTHER INDICATIONS WERE NORMAL. A TESTFLIGHT EVAL FOUND UPON LANDING ON THE PAD AND REDUCING COLLECTIVE, THE ROTOR RPM AUDIO AND LIGHT ILLUMINATED WITH ROTOR RPM AT 96.8%. WHEN INCREASINGSDR QR9R2026081800001Sensor · erraticROTOR RPM INDICATOR GAVE ERRATIC INDICATIONS FROM 101% TO 80% DURING FLIGHT. THE ROTOR LOW WARNING LIGHT INDICATION FLUCTUATED INTERMITTENTLY, NEVER STAYING ON. THE LOW ROTOR AUDIO NEVER SOUNDED OFF. REMOVED AND REPLACED THE SPEED PICKUP SENSOR IAW AMM 62-41-0SDR QR9R2026042000001Sensor · faultyAFTER STARTING ENGINE #2, INITIALLY NR APPEARED ON THE TRIPLE TACH AND MATCHED #2 N2, BUT THEN RETURNED TO 0. A BATTERY DISCONNECT/RESET DID NOT RESOLVE THE PROBLEM. REMOVED AND REPLACED SPEED PICK-UP SENSOR.
See all 676 reports