What it covers
The system which reduces rundown time or stops rotor rotation during engine power off conditions. Typical parts are brake, caliper, lining, seal, check valve, etc.
Service difficulty reports · 275
Reports filed under 6321, newest first.
| 1995 | 11 |
|---|---|
| 1996 | 5 |
| 1997 | 20 |
| 1998 | 41 |
| 1999 | 15 |
| 2000 | 14 |
| 2001 | 29 |
| 2002 | 36 |
| 2003 | 50 |
| 2004 | 6 |
| 2005 | 4 |
| 2006 | 7 |
| 2007 | 2 |
| 2008 | 2 |
| 2010 | 3 |
| 2011 | 2 |
| 2012 | 5 |
| 2013 | 2 |
| 2014 | 2 |
| 2015 | 1 |
| 2018 | 7 |
| 2020 | 1 |
| 2021 | 6 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 2 |
SDR 4DSR20251023002Brake · out of toleranceDURING A SCHEDULED 12YR INSPECTION, THE MGB ROTOR BRAKE WAS FOUND TO BE OUT OF TOLERANCE/LOOSE AND REQUIRED REPLACEMENT. RECEIVED ROTOR BRAKE P/N: 350A32-0500-02 FROM NAMPA VALLEY HELICOPTERS IN "REPAIRED" STATUS/WORK. AFTER VISUAL RECEIVING INSPECTION, THE ATSDR 454A0110100922Brake Caliper · crackedFOUND CRACKING ON EACH BRAKE CALIPER PISTON. WEAR PLATES DO NO COMPLETELY SPAN PISTON. FOUND ABNORMAL WEAR ON HOUSING FROM CONTACT WITH PADS AND ROTOR DISK. THIS IS THE SECOND INSTANCE.SDR 2023FA0000029Mount Bracket · crackedTHE RIGHT AFT MAIN ROTOR BRAKE TURN BUCKLE MOUNT WAS FOUND CRACKED AT THE AFT SIDE OF THE BOLT HOLE BORE.
See all 275 reports