What it covers
The component which transmits engine power to rotary motion in the main rotor mast. Includes mechanical power take-off and accessory drives but does not include the accessories such as hydraulic pumps and alternators. Includes gearbox lubricating system. Typical parts are gearbox, case, shaft, gear, pump, seal, sun gear, etc.
Service difficulty reports · 1,930
Reports filed under 6320, newest first.
| 1995 | 125 |
|---|---|
| 1996 | 144 |
| 1997 | 172 |
| 1998 | 187 |
| 1999 | 132 |
| 2000 | 74 |
| 2001 | 113 |
| 2002 | 134 |
| 2003 | 146 |
| 2004 | 83 |
| 2005 | 47 |
| 2006 | 29 |
| 2007 | 45 |
| 2008 | 38 |
| 2009 | 27 |
| 2010 | 42 |
| 2011 | 29 |
| 2012 | 62 |
| 2013 | 27 |
| 2014 | 44 |
| 2015 | 35 |
| 2016 | 18 |
| 2017 | 32 |
| 2018 | 22 |
| 2019 | 28 |
| 2020 | 21 |
| 2021 | 19 |
| 2022 | 6 |
| 2023 | 9 |
| 2024 | 19 |
| 2025 | 13 |
| 2026 | 8 |
SDR QMLA2026070420042Transmission · making metalXMSN CHIP ILLUMINATED AT PICKUP HOSPITAL. MISSION WAS ABORTED, DID NOT STARTUP WITH TRANSMISSION CAUTION. CONTACTED MECHANIC TO FIX ON STATION. INSPECTED CHIP CONFIRMED CAT C RTSSDR JTAA20260504001Transmission · fodDURING FLIGHT HAD LOW TRANSMISSION PRESSURE AND ELS SYSTEM KICKED ON. FOUND MGB LINER MATERIAL IN CHIP DETECTOR SCREEN OF MGB.SDR 2026F00097Transmission · fodDURING FLIGHT HAD LOW TRANSMISSION PRESSURE AND ELS SYSTEM KICKED ON. FOUND MGB LINER MATERIAL IN CHIP DETECTOR SCREEN OF MGB.
See all 1,930 reports