Service Bulletin

2025 TXTAV | Citation Jets

By July 18, 2025 August 25th, 2025 No Comments
        
   *** Bulletin lists shown below are available for reference purposes only. For more information regarding individual bulletins, please refer to your aircraft technical publications.

DOCUMENT TITLE COMPLIANCE DATE
SB525C-76-02 REV 1 Engine Controls - Transmittal Of Williams International Service Bulletin WISB-73-1033 Revision 1, Engine Fuel And Control - FADEC Software Upload Of Application Software CP357.06.02 REV 1 (Model: 525C, CJ4) Recommended August
SB680A-25-20 Equipment/Furnishings - Installation of the S4607-22 Life Vest Placards on the Flight Control Column Assemblies (Model: 680A, Latitude) Recommended August
SB680A-23-03 REV 1 Communications - Installation Of Controller Pilot Datalink Communications (CPDLC) Parameter Update Software REV 1 (Model: 680A, Latitude) Discretionary August
SB525-25-36 Equipment/Furnishings - Cabin Acoustic Noise Improvement Installation (Model: 525, M2) Optional August
SB560XL-26-04 REV 1 Fire Protection - Replacement of the Halon Type 1211 Portable Fire Extinguishers REV 1 (Models: 560XL, XLS, XLS+, XLS Gen 2) Optional August
SL560XL-49-15 Auxiliary Power - Replacement Of The Forward Inboard And Outboard Auxiliary Power Unit (APU) Mount Bolts (Model: 560XL, XLS Gen 2) Mandatory July
SB525-34-111 Navigation - Told Database Update (Model: 525, M2) Recommended July
SB525B-34-44 Navigation - Told Database Update (Model: 525B, CJ3+) Recommended July
SL525C-34-12 Navigation - Transmittal Of Collins Aerospace Service Bulletin Afd-33x0-31-9 Indicating And Recording System - Afd-33x0 - Update Display Head Module Register To Support Full Brightness Range (Model: 525C, CJ4) Recommended July
SL560XL-34-32 Navigation - Transmittal Of Collins Aerospace Service Bulletin AFD-33X0-31-9 Indicating And Recording System - AFD-33X0 - Update Display Head Module Register To Support Full Brightness Range (Model: 560XL, XLS Gen 2) Recommended July
SL560XL-53-22 Fuselage - Inspection Of APU Structure For Missing Rivets (Models: 560XL, XL, XLS, XLS+, XLS Gen 2) Recommended July
SL700-28-02 REV 1 Fuel - Inspect The 9914475-1 Wing Fuel Vent Flapper Valves For Correct Position And Orientation REV 1 (Model: 700, Longitude) Recommended July
SL700-29-04 Hydraulic Power - Power Transfer Conversion Unit (PTCU) Ventilation Pneumatic Shutoff Valve Inspection/Replacement (Model: 700, Longitude) Recommended July
SL700-30-01 Ice and Rain Protection - Wing Anti-Ice Pressure Regulating Shutoff Valve Inspection/Replacement (Model: 700, Longitude) Recommended July
SB525-24-33 Electrical Power - Generator Control Unit (Gcu) Diode Modification (Model: 525, M2) Discretionary July
SB525B-24-14 Electrical Power - Generator Control Unit (Gcu) Diode Modification (Model: 525B, CJ3+) Discretionary July
SB680-34-44 Navigation - External Radio Altimeter In-Line Bandpass 5G Interference Filter Installation (Model: 680, Sovereign) Optional July
SL525-27-07 REV 2 Flight Controls - Aft Elevator Cable Inspection/Replacement (Model: 525, M2) Mandatory June
SL680A-32-10 Landing Gear - Inspection Of The 5501001-119 Emergency Landing Gear Extension Pneumatic Bottle Placard Assembly Location (Model: 680A, Latitude) Mandatory June
SL700-04-01 Airworthiness Limitations - Scheduled Maintenance Program Change (Model: 700, Longitude) Mandatory June
SL525-34-40 Navigation - Transmittal Of Universal Avionics Service Bulletin Number 3116.()-34-3771 Installation Of MOD 9 In The UNS-1Lw FMS (Model: 525, CJ1) Recommended June
SL525A-34-17 Navigation - Transmittal of Universal Avionics Service Bulletin Number 3116.()-34-3771 Installation of Mod 9 in the UNS-1Lw FMS and LP/LPV Monitor (Model: 525A, CJ2) Recommended June
SL525B-36-03 Pneumatic - Rod End Replacement (Model: 525B, CJ3+) Recommended June
SL525C-25-09 REV 1 1 Equipment/Furnishings - Entry Step Wire Harness Routing Adjustment REV 1 (Model: 525C, CJ4) Recommended June
SL560-34-44 REV 1 Navigation - Transmittal of Universal Avionics Service Bulletin Number 3019.()-34-3769 Installation of Mod 19 in the UNS-1Espw FMS (Models: 560, Ultra, Encore) Recommended June
SL560XL-52-13 Doors - Inspection of the Baggage Door Warning Switches for Correct Installation of Lock Washers (Models: 560XL, XLS+, XLS Gen 2) Recommended June
SL700-29-03 Hydraulic Power - Inspection/Repair Of The Power Transfer And Conversion Unit (PTCU) Motor/Generator Control Unit (MGCU) (Model: 700, Longitude) Recommended June
SB680A-26-01 REV 1 Fire Protection - Replacement of the Halon Type 1211 Portable Fire Extinguishers (Model: 680A, Latitude) Optional June
SB750-31-08 Indicating/Recording Systems - Engine/Power Switch Panel Full Authority Digital Engine Control (Fadec) Select Switch Replacement (Model: 750, Citation X) Optional June
SB750-34-64 Navigation - External Radio Altimeter In-Line Bandpass 5g Interference Filter Installation (Model: 750, Citation X) Optional June
SB750-32-67 REV 1 Landing Gear - Modification of the Landing Gear Circuit Wiring (Model: 750, Citation X) Mandatory May
SB560XL-25-21 Equipment/Furnishings - Replacement Of The Valance Panel Air And Light Panel Assembly Foam Gaskets
(Model: 560XL, XLS GEN2)
Recommended May
SB525C-31-04 REV 2 Indicating/Recording Systems - AReS II Software Update (Model: 525C, CJ4) Discretionary May
SB700-25-05 REV 1 Equipment/Furnishings - Installation Of The Metal Acoustic Curtain Glide Assemblies (Model: 700, Longitude) Optional May
SL560XL-32-32 REV 1 (Models: 560XL, Excel, XLS, XLS+, XLS Gen 2) Informational May
SB700-25-12 Equipment/Furnishings - Motorized Forward Divider Door Reliability Improvements (Model: 700, Longitude) Recommended April
SB700-25-13 Equipment/Furnishings - Replacement Of The Aft Divider Door Compression Gas Springs (Model: 700, Longitude) Recommended April
SL525C-32-16 Landing Gear - Main Landing Gear Trunnion Bearings And Trunnion Pins Lubrication (Model: 525C, CJ4) Recommended April
SL550-34-60
REV 1
Navigation - Transmittal of Universal Avionics Service Bulletin Number 3116.()-34-3771 installation of Mod 9 in the UNS-1Lw FMS AND LP/LPV Monitor REV 1 (Model: 550, Bravo) Recommended April
SL560XL-34-31 Navigation - Transmittal of Universal Avionics Service Bulletin Number 3019.()-34-3769 Installation of Mod 19 in the UNS-1ESPW FMS (Models: 560XL, Excel, XLS) Recommended April
SL700-53-06 Fuselage - Replacement Of The Dorsal Fin Access Panel Nut Plate Rivets (Model: 700, Longitude) Recommended April
SL680A-25-13 REV 1 Equipment/Furnishings-Cockpit Nomex Blanket Replacement (Model: 680A, Latitude) Discretionary April
SB680-32-08 Landing Gear - Installation Of The Aeromotion Nose Landing Gear Actuator (Models: 680, Sovereign, Sovereign+) Optional April
SB680A-25-13 REV 2 Equipment/Furnishings - Installation of a Cabin Threshold in the Passenger Compartment REV 2 (Model: 680A, Latitude) Optional April
SB680A-34-24 REV 1 Navigation - Garmin Radio Altimeter External In-Line Filter Installation (Model: 680A, Latitude) Optional April
SL700-57-02
REV 1
Wings - Inspection Of The Aft Wing Spar For Drill Starts/Marks Rev 1 (Model: 700, Longitude) Mandatory March
SB510-76-02 Engine Controls - Anti-Ice Fadec Wiring Improvement (Model: 510, Mustang) Recommended March
SL560-34-44 Navigation - Transmittal of Universal Avionics Service Bulletin Number 3116.()-34-3769 installation of Mod 19 in the UNS-1Espw FMS (Models: 560, Ultra, Encore) Recommended March
SL680A-78-02 Exhaust - Inspection of the Thrust Reverser Manifold Hydraulic Lines at the Pylon Firewall Interface for Proper Sealant Application (Models: 680A, Latitude) Recommended March
SL700-49-02 Auxiliary Power - Transmittal Of Honeywell Service Bulletin 36-49-8116 Airborne Auxiliary (Model: 700, Longitude) Recommended March
SB680A-52-11 REV 4 Doors - Baggage Door Snubber Fitting Inspection\Replacement R4 (Model: 680A, Latitude) Discretionary March
SB550-24-46 Electrical Power - Time Delay Relay Installation (Models: 550, Citation II, Bravo, 551, Citation II/SP) Optional March
SB560-24-47 Electrical Power - Time Delay Relay Installation (Models: 560, Citation V, Ultra, Encore, Encore+) Optional March
SB680A-32-04 Landing Gear - Installation of the Aeromotion Nose Landing Gear Actuator (Model: 680A, Latitude) Optional March
SBS550-24-25 Electrical Power - Time Delay Relay Installation (Model: S550, Citation SII) Optional March
SL650-32-48 Landing Gear - Transmittal of Collins Aerospace Service Bulletin 2-1502-32-5, Landing Gear - Main Brake Assembly - Introduction of a New Brake Assembly, P/N 2-1502-4 (Models: 650, Citation III, Citation VI, Citation VII) Informational March
SL680-71-10 Power Plant - Transmittal Of Pratt And Whitney Of Canada Service Information Letter PW300-219
(Models: 680, Sovereign, Sovereign+)
Informational March
SL680A-71-02 Power Plant - Transmittal Of Pratt And Whitney Of Canada Service Information Letter PW300-219 (Model: 680A, Latitude) Informational March
SB525-73-05 Engine Fuel And Control - Fuel Control Unit (Fcu) Adapter Replacement (Model: 525, CJ1+) Optional February
SB525B-76-05 Engine Controls - Williams International Fadec Engine Harness Routing Improvement (Model: 525B, CJ3+) Optional February
SB700-34-04
REV 2
Navigation - Garmin Radio Altimeter External In-Line Filter Installation (Model: 700, Longitude) Optional February
SB525-34-112OA REV A Navigation - Avionics O'Temp CAS Message OA REV A only (Model: 525, M2) Mandatory January
SB525B-34-45OA REV B Navigation - Avionics O'temp Cas Message OA REV B only (Model: 525B) Mandatory January
SB680A-53-02 REV 1 Fuselage - Inspection of the Aft Tailcone/Fuselage Splice Interface Stringers for Elongated and Double Drilled Holes
(Model: 680A, Latitude)
Mandatory January
SL525B-05-04 REV 1 Time Limits/Maintenance Checks - Scheduled Maintenance Program Change (Models: 525B, CJ3, CJ3+) Mandatory January
SL700-53-05
REV 1
Fuselage - Inspection Of The Baggage Compartment Floor Structure For Missing Fasteners (Model: 700, Longitude) Mandatory January
SB525-34-109 Navigation - Enhanced Vision System (Evs) Installation (Model: 525, M2) Optional January
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