Service Bulletins| Name | Revision | Lang | Subject | Date |
| SB 314-504 001-901 |
|
en |
Cockpit Display Box Modification | |
| SB 489 |
|
en |
Replacement of TEEL Pump | 4/3/1989 |
| SB 800-504-1 |
|
en |
Relay Box Conversion to Prevent Damage of the Electric Actuator | 4/7/1998 |
| SB 990 |
|
en |
Incorrect Weight and Balance Statement | 9/4/1990 |
| SB 2017-001 |
|
en |
Alert R44lll Spray System Honda Pump Fitting Inspection | 3/28/2017 |
| SB 4056-296 |
|
en |
Rewire to Precluded Relay Contact Arcing | |
| SB 5595 |
|
en |
Safety Issue Concerning P/N 5595: Do Not Use | 10/7/1998 |
| SB 5780 |
|
en |
Teflon Spacers P/N 5749 Used in Seal Kit Boom Valve. Spacers Tolerance too Tight | 5/21/1998 |
| SB 5990-010 |
B |
en |
Boom Valve Replacement Retro Fit Kit | 12/12/1994 |
| SB 5990-015 |
|
en |
Boom Valve Replacement Retro Fit Kit | 9/23/1994 |
| SB 5990-020 |
|
en |
Control Valve Maintenance Bulletin | 12/12/1997 |
| SB 5990-025 |
|
en |
Converts Boom Valve 5990 to 5990-020 | |
| SB 5990-026 |
|
en |
Replace 5990 or 4670 with 5990-020 Boom Valve Replacement Kit 5990-026 | |
| SB 5990-027 |
|
en |
Replace 5990 or 4670 with 5990-020 Boom Valve Replacement Kit 5990-027 | |
| SB 5990-030 |
B |
en |
Boom Valve Conversion Kit 5990-030 Replace 5990-24 Power Head with 5990-030 Power Head | |
| SB 7309-296 |
|
en |
Rewire to Preclude Relay Contact Arcing | |
| SB 7600-696 |
|
en |
Electrical Control System Use and Indicator Box Replacement by Fuse Adapter | |
| SB 7937 2001 |
|
en |
Aluminum Brackets are Subject to Failure Under Higher Speeds | 5/15/2001 |
| SB 10900-005-001 |
A |
en |
Replace Spacers with Mounting Brackets | 9/16/1998 |
| SB 10900-050-001 |
|
en |
Modification of Hydraulic Power Unit | 5/12/1998 |
| SB 10900-050-002 |
|
en |
Steps to Secure the Nut on the Main Support that Secures the Main Tank to Helicopter | 5/15/1998 |
| SB 10900-050-003 |
|
en |
Modifying the Power Unit | 6/22/1998 |
| SB 10900-050-004 |
|
en |
Allow a Shear Breakaway and Clearance for Hover Refill Pump Assembly to Swivel Past Manifold | 7/2/1998 |
| SB 10900-050-006 |
A |
en |
Describes Steps for the Installation of 2 Pressure Reliefs at the Aft Actuators | 8/21/1998 |
| SB 10900-050-007 |
|
en |
Describes Steps for Modifying the Filter on a 10900 or 10900-050 Fire Attack System | 7/7/1998 |
| SB 10900-050-008 |
|
en |
Describes Steps for a Trail Switch Upgrade on Both the 10900 and 10900-050 Systems | 7/8/1998 |
| SB 10900-050-009 |
|
en |
Describes Steps for Applying Grease to Door Seals | 7/8/1998 |
| SB 10900-050-010 |
|
en |
Describes Steps for a Dual Switch Box Assembly Installation for Both Models | 7/10/1998 |
| SB 10900-050-011 |
B |
en |
Steps for a Flow Restriction Installation for Both Models | 10/7/1998 |
| SB 10938 |
|
en |
Evaluation of Foam Pump P/N Needs to be Relocated to Prevent Leaking Pump Shaft Seal | 11/23/1999 |
| SB 19045-96 |
|
en |
Modification to Box in Order to Decrease the Arcing of Relay Contacts | |
| SB 19200 |
A |
en |
Modification is to Improve and Standardize Operation and Durability | |
| SB 63501 |
|
en |
Hydraulic Quick Disconnect Assembly | 6/29/1999 |
| SB 4056000-001 |
|
en |
Relay Box Main Power Stud Replacement | 5/21/2004 |
| SB 10990055 |
|
en |
Adding Hover Pumps with an Improved Wear Resistant Sleeving | 8/15/2002 |
| SB 1090005013 |
|
en |
Cable Attached Between the Pump Assembly and the Tank Not Required | 6/25/1999 |
| SB 1090005014 |
B |
en |
Threaded Rod Assemblies | 3/29/2004 |
| SB 1090005015 |
|
en |
Adding Hover Pumps with an Improved Wear Resistant Sleeving | 8/15/2002 |
| SB 1090005017 |
A |
en |
Determined that Plugging Foam Injection Lines in Tank will Allow System to be Flown | |
| SB 1090005018 |
|
en |
Regarding Use of Thread Locking Material for the Bolts on Hub | 10/1/2002 |
| SB 1090005019 |
|
en |
Older 10901-13 Relay/Starter Box Assemblies | 10/10/2002 |
| SB 1090005020 |
|
en |
Older 10996-006 Relay/Starter Box Assemblies | 10/4/2002 |
| SB 1090005021 |
|
en |
Determined that to Help Retain the Actuator Key in Keyway, Actuator Should be Adhered to Keyway | 10/4/2002 |
| SB 1090005023 |
|
en |
Anodized Tank Vents | 6/24/2004 |
| SB 1090005024 |
|
en |
Tie-Down Assembly with Increased Length Bolt | 6/24/2004 |
| SB 1090005025 |
|
en |
Hover Pump Elbow Set Bolt Addition | 6/24/2004 |
| SB 1090005026 |
|
en |
Foam Tank Foam Pump Wire Harness Plug | 6/25/2004 |
| SB 4925010001 |
|
en |
Addition on Hose Clamp Keeper on Spray Boom | 6/24/2004 |
| SB 7910000001 |
|
en |
S/Ns 1088, 1089, 1090 Only | 7/29/2003 |
| SB 10900054001 |
|
en |
Hover Pump Screen Updated Design | |
| SB 11100000001 |
|
en |
New Patch Plug Allows System to Continue Operating in Case of Computer Malfunction | 8/7/2002 |
| SB 208301001001 |
|
en |
Modification to Increase Boom Valve Suck Back Performance | 3/8/2000 |
| SB 208501008901 |
|
en |
Addition of in-Line Fuse to Spray Pump Harness | 4/19/2004 |
| SB 210203001001 |
|
en |
Minimal Clearance Issue Regarding Aircraft Probe | 4/1/2003 |
| SB 300601001001 |
|
en |
Lock Tite Applied to Threads of Bolts in Place of Safety Wiring Bolts | 10/1/2002 |
| SB 300704002001 |
C |
en |
Modification to Insure Proper Water Seal for Hover Refill Pump Motor | 10/21/1999 |
| SB 300704002002 |
|
en |
Decrease Current Draw on Hover Pump | |
| SB 300704002003 |
|
en |
Output Shaft Seal Valve | |
| SB 300704073001 |
|
en |
Modification to Insure Proper Water Seal for Hover Refill Pump Motor | 9/29/2000 |
| SB 301704020002 |
|
en |
Need to Upgrade Seal Sleeve and Impeller Used in Assembly to Meet with QC Standards | 6/9/1999 |
| SB 304500002001 |
|
en |
Available Modification to Allow Independent Operation of Left and Right Doors | 10/15/2002 |
| SB 304501010001 |
|
en |
Addresses Relay Box Design and Proposes Substitution Solution | 9/6/2002 |
| SB 304501011001 |
|
en |
Hover Pump Bypass Plug on the Hover Pump Connector J4A when the Hover Pump is Not Installed which Corrects this Erroneous Indication | 11/6/2003 |
| SB 308302000001 |
|
en |
Improved Tank Hardpoints and Struts | 7/12/2004 |
| SB 308303001001 |
|
en |
Installation of Revised Shroud Using Mounting Studs Instead of Link Locks | 4/1/2004 |
| SB 310203001001 |
|
en |
Minimal Clearance Issue Regarding Aircraft Probe | 4/1/2003 |
| SB 310203020001 |
|
en |
Regarding Improvement of Forward Attachment Internal Structure | 5/22/2005 |
| SB 310203020002 |
B |
en |
Due to Manufacturing Changes Over Time, there May be Configurations in Field that have Less than Adequate Bolt Edge Margin in Hidden Structure of Forward Attachment Hard Point Installations | 4/5/2004 |
| SB 310203040001 |
A |
en |
Regarding Improvement of Forward Attachment Internal Structure | 5/22/2002 |
| SB 310302020001 |
A |
en |
Regarding Hardpoint Attaching Hardware & Internal Baffle Interference | |
| SB 310303001001 |
|
en |
Adding Additional Support Posts to Forward Shroud Attachment | 2/25/2003 |
| SB 310303001002 |
|
en |
Adding Additional Support Posts to Forward Shroud Attachment | 2/25/2003 |
| SB 310303001003 |
|
en |
Use of Eurocopter AS350 Series Fixed Landing Lights | 2/16/2004 |
| SB 310303001004 |
A |
en |
Installation of Revised Shroud with Provisions for Fixed Landing Lights | 4/19/2004 |
| SB 310501001001 |
|
en |
Relocation of Wiring to Clear Landing Light | 1/9/2004 |
| SB 310604001001 |
|
en |
Installation of Low Profile Hydraulic Fittings & Hoses | 12/23/2003 |
| SB 310704001001 |
A |
en |
Installation of Rotational Limiting Device on Hover Pump Elbow | 12/23/2003 |
| SB 310711001001 |
|
en |
Regarding Installation of Water Sight Gauge to Monitor Tank Water Level | 9/13/2002 |
| SB 314000000001 |
|
en |
Structural Discrepancies in the Construction of the First Three 314 Fire Attack System | 9/5/2003 |
| SB 314000000002 |
|
en |
Structural Discrepancies in the Construction of the 314 Fire Attack System Serial Numbers 001, 002 and 003 | 5/14/2003 |
| SB 314000000901 |
B |
en |
Installation of Water Payload Display and Continuous Water Level Readouts | 4/15/2005 |
| SB 314103001001 |
|
en |
Replacement of Vne Placard | |
| SB 314203016901 |
|
en |
Hover Pump Elbow Access Hatch | 5/12/2004 |
| SB 314301002901 |
|
en |
Mandatory Modification of Hard Point to Eyebolt Clearance by Injection of Epoxy Filler Material | 4/22/2004 |
| SB 314704012001 |
A |
en |
Installation of Flanged Hover Refill Pump Elbow | 5/10/2004 |
| SB 314709001001 |
A |
en |
Modification of Sluiceway, Installation of Check Valves and Installation of New PLC Software to Meet IAB Certification | 4/12/2004 |
| SB 316504001001 |
|
en |
Improved Cockpit Display Box | |
| SB 316704001001 |
|
en |
Regarding Safety Risk of Electrical Shock During Operation of Electrical Hover Pump | 4/18/2003 |
| SB 316802001001 |
B |
en |
Tank Structure at Ground Handling Wheels Prone to Failure if Wheels Overextended | 6/3/2002 |
| SB 323000000001 |
|
en |
Tank Shell Daily Inspection | |
| SB 323302020001 |
|
en |
Reduce Water Volume and Improve Drop Pattern | 8/7/2003 |
| SB 801000000002 |
|
en |
Regarding Replacement Procedures of Existing Electric Control System, Hydraulic Power Unit | 7/7/2003 |
| SB 914000000001 |
|
en |
Reconfigured Mirror Design | |