Hydraulic Line
515 failure reports named the hydraulic line in the last ten years, 1,645 since 1995, most often on the Airbus A321; the condition most often found was "leaking". 10 FAA approvals let 3 companies make a replacement hydraulic line, Spoilers INC holding the most (6). The reports call it "hydraulic line", "hydraulic line".
Reports by year
Reports by year, as a table
| reports | |
|---|---|
| 1995 | 19 |
| 1996 | 27 |
| 1997 | 43 |
| 1998 | 20 |
| 1999 | 15 |
| 2000 | 37 |
| 2001 | 147 |
| 2002 | 115 |
| 2003 | 46 |
| 2004 | 20 |
| 2005 | 21 |
| 2006 | 48 |
| 2007 | 32 |
| 2008 | 51 |
| 2009 | 48 |
| 2010 | 54 |
| 2011 | 81 |
| 2012 | 90 |
| 2013 | 81 |
| 2014 | 59 |
| 2015 | 76 |
| 2016 | 59 |
| 2017 | 28 |
| 2018 | 44 |
| 2019 | 50 |
| 2020 | 28 |
| 2021 | 13 |
| 2022 | 38 |
| 2023 | 24 |
| 2024 | 73 |
| 2025 | 91 |
| 2026 | 67 |
Which system the reports file it under last ten years
Reports by system, as a table
| reports | |
|---|---|
| Heating, ice protection and utility systems | 505 |
| Landing gear | 4 |
| Emergency equipment | 2 |
| Engine | 2 |
| Electrical power | 1 |
| Flight controls | 1 |
Models most often reporting it last ten years
How it failed the condition found, last ten years
Conditions found, as a table
| reports | |
|---|---|
| leaking | 261 |
| cracked | 36 |
| chafed | 32 |
| damaged | 31 |
| broken | 28 |
| failed | 26 |
| ruptured | 23 |
| loose | 18 |
| not reported | 7 |
| corroded | 6 |
Engines most often reporting it
Approved replacement parts 10 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a hydraulic line and sell it as an approved part for the models named. These are the companies holding such approvals for a hydraulic line:
For these models most: Piper PA-60 Aerostar (6), Found Acft Canada Inc FBA-2 (2), Boeing 737 (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Airborne Maintenance & Engineering Services | Hydraulic Line 007-00803-771 | 007-00803-771 | Boeing 737-200/300 | 2022-07-11 | current |
| Airborne Maintenance & Engineering Services | Hydraulic Line 007-00803-773 | 007-00803-773 | Boeing 737-200/300 | 2022-07-11 | current |
| Airglas INC | Hydraulic Line Assemblies FND-SKI-1013 | Modification Part | Found Aircraft Canada, Inc. FBA-2C1, FBA-2C2 | 2011-12-19 | current |
| Airglas INC | Hydraulic Line Assemblies FND-SKI-1013 | Not Applicable Modification Part | Found Aircraft Canada Inc FBA-2C1, FBA-2C2 | 2009-01-04 | current |
| Spoilers INC | Hydraulic line 5100-3 | Modification Part | Piper PA-60, -600, -601 | 2006-05-11 | current |
| Spoilers INC | Hydraulic line 5100-1 | Modification Part | Piper PA-60, -600, -601 | 2006-05-11 | current |
| Spoilers INC | Hydraulic line 5100-4 | Modification Part | Piper PA-60, -600, -601 | 2006-05-11 | current |
| Spoilers INC | Hydraulic line 5100-6 | Modification Part | Piper PA-60, -600, -601 | 2006-05-11 | current |
| Spoilers INC | Hydraulic line 5100-2 | Modification Part | Piper PA-60, -600, -601 | 2006-05-11 | current |
| Spoilers INC | Hydraulic line 5100-5 | Modification Part | Piper PA-60, -600, -601 | 2006-05-11 | current |
Sources: the FAA's service difficulty reports since 1995 (a report is a part that failed and was fixed, as filed by an airline, repair station or owner; the count shows reporting as much as reliability) and the parts manufacturer approvals in the FAA's Dynamic Regulatory System. The part name is the reporters' and the approval holders' own words, reduced to the first plain words so that spellings meet.