What it covers
The rotating assembly which supports the main rotor blades including blade folding system. Includes the swashplate if it is an integral part of the mast head assembly. Also includes the head mechanism on tilt rotor aircraft. Typical parts are sleeve, spindle, damper, fairing. Does not include the controlling aspects in JASC code 6710.
Service difficulty reports · 2,052
Reports filed under 6220, newest first.
| 1995 | 235 |
|---|---|
| 1996 | 192 |
| 1997 | 170 |
| 1998 | 143 |
| 1999 | 178 |
| 2000 | 75 |
| 2001 | 122 |
| 2002 | 150 |
| 2003 | 219 |
| 2004 | 58 |
| 2005 | 64 |
| 2006 | 42 |
| 2007 | 28 |
| 2008 | 35 |
| 2009 | 33 |
| 2010 | 18 |
| 2011 | 24 |
| 2012 | 76 |
| 2013 | 22 |
| 2014 | 19 |
| 2015 | 21 |
| 2016 | 16 |
| 2017 | 12 |
| 2018 | 9 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 39 |
| 2026 | 24 |
SDR QR9R2026092400001Control Lever · gougedCONTROL LEVER ASSEMBLY WAS RECEIVED FROM SUPPLY WITH 2 GOUGES IN FLOATIND BUSHING BORE.SDR QMLA 202608272006Main Rotor · fodJUST PRIOR TO LANDING, A SMALL PLASTIC BAG FLOATED UP AND INTO THE MAIN ROTOR SYSTEM. IT BLEW OUT ALMOST IMMEDIATELY AFTER THE FACT. A NORMAL LANDING AND SHUTDOWN WERE PERFORMED.SDR QR9R2026080700002Bolt · crackedNDI REVEALED HEX BOLT WAS CRACKED IN THREAD AREA NEAR COTTER KEY HOLE.
See all 2,052 reports