What it covers
The system components and parts, including the pump, regulator, oil separator or indication system, which are used to distribute low volume, negative pressure air (suction) to systems such as gyroscopic flight instruments, cabin rate controller, etc.; and to distribute low volume, positive pressure air to systems such as air foil deicer boots. Does not include the using systems. Typical parts are pump, filter, regulator, lines, manifold, check valves, element, etc.
Service difficulty reports · 292
Reports filed under 3710, newest first.
| 1995 | 13 |
|---|---|
| 1996 | 31 |
| 1997 | 31 |
| 1998 | 27 |
| 1999 | 22 |
| 2000 | 20 |
| 2001 | 23 |
| 2002 | 15 |
| 2003 | 27 |
| 2004 | 12 |
| 2005 | 12 |
| 2006 | 11 |
| 2007 | 5 |
| 2008 | 5 |
| 2009 | 8 |
| 2010 | 3 |
| 2011 | 1 |
| 2012 | 4 |
| 2013 | 4 |
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 2 |
SDR AALA202606287933Vacuum Sys · defectiveAIRCRAFT WAS GROUNDED: AFTER LANDING, NUMBER 3 FLIGHT ATTENDANT ADVISED THAT DURING THE DESCENT BELOW 10000 FEET HE SMELLED BURNING RUBBER SMELL WHILE SEATED IN THE MID FLIGHT ATTENDANT JUMPSEAT. NUMBER 2 AND 4 FLIGHT ATTENDANTS REPORTED THAT UPON ARRIVAL AT TSDR 2026FA0000137Pump · inoperativeDURING CLIMB THE PILOT NOTICED ENGINE RPM FLUCTUATIONS. AIRCRAFT RETURNED BACK TO THE AIRPORT, DID ENGINE RUN UPS AND NOTICED VACUUM PUMP WAS INOPERATIVE. MAINTENANCE REMOVED FAILED PUMP AND FOUND DRIVE SPLINE SHEARED AND PUMP SEIZED.SDR 2025FA0000545Pump · seizedTHIS WAS A TRAINING FLIGHT. DURING A GO-AROUND, ON CLIMB OUT, THE PILOTS NOTICED THAT THE VACUUM GAGE READ 0 AND THAT THEIR TWO GYRO INSTRUMENTS WERE NO LONGER WORKING. THEY PROCEEDED AROUND THE PATTERN AND LANDED WITHOUT INCIDENT. THE REMOVED PUMP HAD A SH
See all 292 reports