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Alert Details

Recovery Plan

Gulfstream G650 grounded at KTEB after TCAS and Mode S transponder failure with no traffic display. Seeking avionics parts and qualified test support for safe return to service.

Alert Details

Alert type: AOG Alert
Added to platform: 22SEP26 1200Z
Aircraft model: Gulfstream G650 / G650ER
Aircraft series: Not specified
Engine model: BR725
ICAO location: KTEB
Impact type: Charter
MX window opens: 22SEP26 1230Z
RTS target: 24SEP26 1200Z
Wanted items: 4
Alert specifics: Unscheduled Maintenance
Airworthiness Directive (AD): Not specified
Service Bulletin (SB): Not specified
Check: Not specified
ATA 100 CHAPTERS: 34Navigation
Short fault name: TCAS / transponder Mode S failure
Error / fault indications: No TCAS traffic display; Mode S transponder fail indications and intermittent replies on ground test.
Troubleshooting status: Troubleshooting Incomplete - Additional Items may be required
TSM/FIM reference: G650 ATA 34 TCAS and transponder fault isolation
Roles and responsibilities: Supplier to provide traceable avionics units and qualified test technician; Southwest maintenance control to coordinate installation, testing, and final release.

ITEMS

Items in this alert

4 items

Parts & Rotables · WANTED

ANT-7000-TCAS-03 - TCAS directional antenna

Item Id: EJFKK

Serviceable directional TCAS antenna assembly for Gulfstream G650; include inspection report and connector protection.

Aircraft / Family: Gulfstream
ATA 100 CHAPTERS: 34Navigation
Required: 22SEP26 2000Z
Quantity: 1

Added to platform: 22SEP26 1207Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: Parts & Rotables
Wanted / Available: Wanted
Item Title: TCAS directional antenna
Sales Copy: Not specified

ITEM DETAILS

Technical specifications

P/N / IPC REF: ANT-7000-TCAS-03
ALT P/Ns: Not specified
Description: Serviceable directional TCAS antenna assembly for Gulfstream G650; include inspection report and connector protection.
Rev or Version: Rev A
Quantity: 1
ACCEPTABLE MANUFACTURER(s): Collins Aerospace or approved equivalent
Manufacturer Type(s) Considered: OEM
Trace Required: OEM trace
Required Onsite D/T Z: 2026-09-22 20:00Z
Onsite Location Type: Hangar / Maintenance Facility
ATA 100 CHAPTERS: 34Navigation
Acceptable Release Documentation / Tag: FAA Form 8130-3

APPLICABILITY & CONDITION

Applicability and condition

Conditions Considered: Not specified
AIRCRAFT MODEL(s): Not specified
ENGINE MODEL(s): Not specified

TERMS

Terms

Purchase Type(s) Considered: Outright Purchase
Warranty Required: No
Warranty Terms: Not specified
Shipping (Incoterms): DAP

Parts & Rotables · WANTED

GTS-8000-PRC-01 - TCAS processor

Item Id: MVNDK

Serviceable TCAS processor compatible with Gulfstream G650 traffic collision avoidance system; include bench test report and trace.

Aircraft / Family: Gulfstream
ATA 100 CHAPTERS: 34Navigation
Required: 22SEP26 2000Z
Quantity: 1

Added to platform: 22SEP26 1203Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: Parts & Rotables
Wanted / Available: Wanted
Item Title: TCAS processor
Sales Copy: Not specified

ITEM DETAILS

Technical specifications

P/N / IPC REF: GTS-8000-PRC-01
ALT P/Ns: Not specified
Description: Serviceable TCAS processor compatible with Gulfstream G650 traffic collision avoidance system; include bench test report and trace.
Rev or Version: Rev A
Quantity: 1
ACCEPTABLE MANUFACTURER(s): Honeywell or approved equivalent
Manufacturer Type(s) Considered: OEM
Trace Required: OEM trace
Required Onsite D/T Z: 2026-09-22 20:00Z
Onsite Location Type: Hangar / Maintenance Facility
ATA 100 CHAPTERS: 34Navigation
Acceptable Release Documentation / Tag: FAA Form 8130-3

APPLICABILITY & CONDITION

Applicability and condition

Conditions Considered: Not specified
AIRCRAFT MODEL(s): Not specified
ENGINE MODEL(s): Not specified

TERMS

Terms

Purchase Type(s) Considered: Outright Purchase
Warranty Required: No
Warranty Terms: Not specified
Shipping (Incoterms): DAP

Parts & Rotables · WANTED

RCZ-8XX-TRANS-02 - Mode S transponder

Item Id: 3QWJR

Serviceable Mode S transponder for Gulfstream G650; provide operational test results, configuration data, and trace.

Aircraft / Family: Gulfstream
ATA 100 CHAPTERS: 34Navigation
Required: 22SEP26 2000Z
Quantity: 1

Added to platform: 22SEP26 1205Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: Parts & Rotables
Wanted / Available: Wanted
Item Title: Mode S transponder
Sales Copy: Not specified

ITEM DETAILS

Technical specifications

P/N / IPC REF: RCZ-8XX-TRANS-02
ALT P/Ns: Not specified
Description: Serviceable Mode S transponder for Gulfstream G650; provide operational test results, configuration data, and trace.
Rev or Version: Rev B
Quantity: 1
ACCEPTABLE MANUFACTURER(s): Rockwell Collins or approved equivalent
Manufacturer Type(s) Considered: OEM
Trace Required: OEM trace
Required Onsite D/T Z: 2026-09-22 20:00Z
Onsite Location Type: Hangar / Maintenance Facility
ATA 100 CHAPTERS: 34Navigation
Acceptable Release Documentation / Tag: FAA Form 8130-3

APPLICABILITY & CONDITION

Applicability and condition

Conditions Considered: Not specified
AIRCRAFT MODEL(s): Not specified
ENGINE MODEL(s): Not specified

TERMS

Terms

Purchase Type(s) Considered: Outright Purchase
Warranty Required: No
Warranty Terms: Not specified
Shipping (Incoterms): DAP

Maintenance Services · WANTED

TCAS system test and return-to-service check

Item Id: NM99R

Qualified avionics test team to perform TCAS/Mode S operational test, antenna and transponder verification, traffic display validation, and return-to-service documentation.

Aircraft / Family: Gulfstream
ATA 100 CHAPTERS: 34Navigation
Required: 22SEP26 2000Z
Location: KTEB

Added to platform: 22SEP26 1208Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: Maintenance Services
Wanted / Available: Wanted
Item Title: TCAS system test and return-to-service check
Sales Copy: Not specified

ITEM DETAILS

Technical specifications

Description: Qualified avionics test team to perform TCAS/Mode S operational test, antenna and transponder verification, traffic display validation, and return-to-service documentation.
Required Onsite D/T Z: 2026-09-22 20:00Z
Onsite Location Type: Hangar / Maintenance Facility
ATA 100 CHAPTERS: 34Navigation

APPLICABILITY & CONDITION

Applicability and condition

Conditions Considered: Not specified
AIRCRAFT MODEL(s): Not specified
Aircraft Model: Not specified
ENGINE MODEL(s): Not specified

OPERATIONAL CHANGES

Alert status updates

No visible status updates have been posted.

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Alert Details

Alert type

AOG Alert

Added to platform

22SEP26 1200Z

Aircraft model

Gulfstream G650 / G650ER

Aircraft series

Not specified

Engine model

BR725

ICAO location

KTEB

Impact type

Charter

MX window opens

22SEP26 1230Z

RTS target

24SEP26 1200Z

Wanted items

Alert specifics

Unscheduled Maintenance

Airworthiness Directive (AD)

Not specified

Service Bulletin (SB)

Not specified

Check

Not specified

ATA 100 CHAPTERS

34Navigation

Short fault name

TCAS / transponder Mode S failure

Error / fault indications

No TCAS traffic display; Mode S transponder fail indications and intermittent replies on ground test.

Troubleshooting status

Troubleshooting Incomplete - Additional Items may be required

TSM/FIM reference

G650 ATA 34 TCAS and transponder fault isolation

Roles and responsibilities

Supplier to provide traceable avionics units and qualified test technician; Southwest maintenance control to coordinate installation, testing, and final release.