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Alert Details

Recovery Plan

Southwest 737-800 at KDEN is held for a weather radar failure found during preflight. WXR FAIL flags are displayed on both captain and first officer navigation displays, requiring avionics troubleshooting and replacement support.

Alert Details

Alert type: AOG Alert
Added to platform: 28SEP26 1606Z
Aircraft model: Boeing 737-800
Aircraft series: Not specified
Engine model: CFM56-7B
ICAO location: KDEN
Impact type: Revenue PAX
MX window opens: 28SEP26 1540Z
RTS target: 30SEP26 1500Z
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: Weather radar failure
Error / fault indications: WXR FAIL flag displayed on both captain and first officer navigation displays during preflight power-up test.
Troubleshooting status: Troubleshooting Complete - All required Items listed
TSM/FIM reference: Not specified
Roles and responsibilities: Southwest MCC coordinates troubleshooting and aircraft release. Avionics technician performs removal and installation. Approved test facility certifies the removed unit.

ITEMS

Items in this alert

4 items

Parts & Rotables · WANTED

622-5132-001 - WXR-2100 weather radar receiver/transmitter

Item Id: FKJW7

Serviceable weather radar receiver/transmitter compatible with the Collins WXR-2100 system, inspected and preserved for installation.

Aircraft / Family: Boeing
ATA 100 CHAPTERS: 34Navigation
Required: 29SEP26 1200Z
Quantity: 1

Added to platform: 28SEP26 1609Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: Parts & Rotables
Wanted / Available: Wanted
Item Title: WXR-2100 weather radar receiver/transmitter
Sales Copy: Collins WXR-2100 type weather radar receiver/transmitter for 737-800 avionics replacement, traceable and ready for expedited shipment to KDEN.

ITEM DETAILS

Technical specifications

P/N / IPC REF: 622-5132-001
ALT P/Ns: 622-5132-002
Description: Serviceable weather radar receiver/transmitter compatible with the Collins WXR-2100 system, inspected and preserved for installation.
Rev or Version: Rev 7
Quantity: 1
ACCEPTABLE MANUFACTURER(s): Collins Aerospace
Manufacturer Type(s) Considered: OEM
Trace Required: OEM trace
Required Onsite D/T Z: 2026-09-29 12:00Z
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

622-5133-001 - Weather radar antenna drive unit

Item Id: XTGWP

Serviceable antenna drive unit for Collins WXR-2100 type weather radar, bench checked and preserved for installation.

Aircraft / Family: Boeing
ATA 100 CHAPTERS: 34Navigation
Required: 29SEP26 1200Z
Quantity: 1

Added to platform: 28SEP26 1620Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: Parts & Rotables
Wanted / Available: Wanted
Item Title: Weather radar antenna drive unit
Sales Copy: Serviceable Collins WXR antenna drive unit for 737-800 radar restoration, available for AOG dispatch to KDEN.

ITEM DETAILS

Technical specifications

P/N / IPC REF: 622-5133-001
ALT P/Ns: 622-5133-002
Description: Serviceable antenna drive unit for Collins WXR-2100 type weather radar, bench checked and preserved for installation.
Rev or Version: Rev 5
Quantity: 1
ACCEPTABLE MANUFACTURER(s): Collins Aerospace
Manufacturer Type(s) Considered: OEM
Trace Required: OEM trace
Required Onsite D/T Z: 2026-09-29 12:00Z
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): Boeing 737-800
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

Avionics technician onsite, FAA A&P

Item Id: MWPQV

Provide an FAA A&P technician with 737-800 avionics experience for onsite WXR-2100 troubleshooting, component replacement, wiring inspection, and return-to-service operational testing.

Aircraft / Family: Boeing 737-800
ATA 100 CHAPTERS: 34Navigation
Required: 29SEP26 1200Z
Location: KDEN

Added to platform: 28SEP26 1612Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: Maintenance Services
Wanted / Available: Wanted
Item Title: Avionics technician onsite, FAA A&P
Sales Copy: FAA A&P avionics technician available onsite at KDEN for weather radar removal, installation, troubleshooting, and operational test support.

ITEM DETAILS

Technical specifications

Description: Provide an FAA A&P technician with 737-800 avionics experience for onsite WXR-2100 troubleshooting, component replacement, wiring inspection, and return-to-service operational testing.
Required Onsite D/T Z: 2026-09-29 12:00Z
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: Boeing 737-800
ENGINE MODEL(s): Not specified

Testing & Certification · WANTED

Bench test and certification of removed radar unit

Item Id: KX739

Perform bench test of the removed Collins WXR-2100 type receiver/transmitter, document findings, and provide FAA Form 8130-3 or equivalent approved certification package.

Aircraft / Family: Boeing 737-800
ATA 100 CHAPTERS: 34Navigation
Required: 30SEP26 1500Z
Location: KDEN

Added to platform: 28SEP26 1615Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: Testing & Certification
Wanted / Available: Wanted
Item Title: Bench test and certification of removed radar unit
Sales Copy: Approved avionics test facility to bench test the removed weather radar receiver and issue certification documentation after troubleshooting.

ITEM DETAILS

Technical specifications

Description: Perform bench test of the removed Collins WXR-2100 type receiver/transmitter, document findings, and provide FAA Form 8130-3 or equivalent approved certification package.
Required Onsite D/T Z: 2026-09-30 15:00Z
Onsite Location Type: Other
Other Location Type: Approved avionics test facility near KDEN
ATA 100 CHAPTERS: 34Navigation

APPLICABILITY & CONDITION

Applicability and condition

Conditions Considered: Not specified
AIRCRAFT MODEL(s): Not specified
Aircraft Model: Boeing 737-800
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

28SEP26 1606Z

Aircraft model

Boeing 737-800

Aircraft series

Not specified

Engine model

CFM56-7B

ICAO location

KDEN

Impact type

Revenue PAX

MX window opens

28SEP26 1540Z

RTS target

30SEP26 1500Z

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

Weather radar failure

Error / fault indications

WXR FAIL flag displayed on both captain and first officer navigation displays during preflight power-up test.

Troubleshooting status

Troubleshooting Complete - All required Items listed

TSM/FIM reference

Not specified

Roles and responsibilities

Southwest MCC coordinates troubleshooting and aircraft release. Avionics technician performs removal and installation. Approved test facility certifies the removed unit.