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Alert Details

Recovery Plan

Aircraft AOG at Houston Hobby. ATC 2 transponder failed BITE and ADS-B out is inoperative on the #2 system. MEL relief not available for the planned route. Need replacement transponder, mount connector check, and avionics support with a ramp test set to complete the ops check.

Alert Details

Alert type: AOG Alert
Added to platform: 24SEP26 1522Z
Aircraft model: Boeing 737 MAX 8
Aircraft series: Not specified
Engine model: LEAP-1B
ICAO location: KHOU
Impact type: Revenue PAX
MX window opens: 24SEP26 1519Z
RTS target: 25SEP26 1519Z
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: ATC 2 / ADS-B out fail
Error / fault indications: XPDR FAIL on ATC 2, ADS-B OUT inop message, BITE fail on unit
Troubleshooting status: Troubleshooting Incomplete - Additional Items may be required
TSM/FIM reference: FIM 34-53-00
Roles and responsibilities: Avionics Technician

ITEMS

Items in this alert

4 items

Parts & Rotables · WANTED

822-1338-002 - ATC/Mode S transponder, TPR-901

Item Id: NPGCN

Replacement ATC transponder with ADS-B out, 737 MAX compatible

Aircraft / Family: Boeing
ATA 100 CHAPTERS: 34Navigation
Required: 25SEP26 0919Z
Quantity: 1

Added to platform: 24SEP26 1526Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: Parts & Rotables
Wanted / Available: Wanted
Item Title: ATC/Mode S transponder, TPR-901
Sales Copy: Not specified

ITEM DETAILS

Technical specifications

P/N / IPC REF: 822-1338-002
ALT P/Ns: Not specified
Description: Replacement ATC transponder with ADS-B out, 737 MAX compatible
Rev or Version: Latest
Quantity: 1
ACCEPTABLE MANUFACTURER(s): OEM
Manufacturer Type(s) Considered: OEM
Trace Required: OEM trace, Maintenance release trace
Required Onsite D/T Z: 2026-09-25 09:19Z
Onsite Location Type: Ramp
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, Exchange (Component Exchange)
Warranty Required: No
Warranty Terms: Not specified
Shipping (Incoterms): DAP

Parts & Rotables · WANTED

822-1338-TRY - Transponder mounting tray connector kit

Item Id: QNUQA

Rear connector and tray hardware in case pins are damaged on removal

Aircraft / Family: Boeing
ATA 100 CHAPTERS: 34Navigation
Required: 25SEP26 0919Z
Quantity: 1

Added to platform: 24SEP26 1529Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: Parts & Rotables
Wanted / Available: Wanted
Item Title: Transponder mounting tray connector kit
Sales Copy: Not specified

ITEM DETAILS

Technical specifications

P/N / IPC REF: 822-1338-TRY
ALT P/Ns: Not specified
Description: Rear connector and tray hardware in case pins are damaged on removal
Rev or Version: Latest
Quantity: 1
ACCEPTABLE MANUFACTURER(s): OEM
Manufacturer Type(s) Considered: OEM
Trace Required: OEM trace, Maintenance release trace
Required Onsite D/T Z: 2026-09-25 09:19Z
Onsite Location Type: Ramp
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, Exchange (Component Exchange)
Warranty Required: No
Warranty Terms: Not specified
Shipping (Incoterms): DAP

Maintenance Services · WANTED

Avionics technician, transponder R&R and ADS-B ops check

Item Id: XRNMU

Remove/install transponder, run BITE and ADS-B out compliance check, sign RTS at KHOU

Aircraft / Family: Boeing
ATA 100 CHAPTERS: 34Navigation
Required: 25SEP26 0919Z
Location: KHOU

Added to platform: 24SEP26 1531Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: Maintenance Services
Wanted / Available: Wanted
Item Title: Avionics technician, transponder R&R and ADS-B ops check
Sales Copy: Not specified

ITEM DETAILS

Technical specifications

Description: Remove/install transponder, run BITE and ADS-B out compliance check, sign RTS at KHOU
Required Onsite D/T Z: 2026-09-25 09:19Z
Onsite Location Type: Ramp
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

Tooling, Fixtures, & TMDE · WANTED

IFR 6000 - IFR 6000 transponder / ADS-B ramp test set

Item Id: CYERP

Ramp test set for Mode S and ADS-B out verification, calibrated, cert copy included

Aircraft / Family: Boeing
ATA 100 CHAPTERS: 34Navigation
Required: 25SEP26 0919Z
Location: KHOU

Added to platform: 24SEP26 1534Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: Tools, Fixtures, & TMDE
Wanted / Available: Wanted
Item Title: IFR 6000 transponder / ADS-B ramp test set
Sales Copy: Not specified

ITEM DETAILS

Technical specifications

P/N / IPC REF: IFR 6000
ALT P/Ns: Not specified
Description: Ramp test set for Mode S and ADS-B out verification, calibrated, cert copy included
Rev or Version: Latest
Quantity: 1
ACCEPTABLE MANUFACTURER(s): OEM
Manufacturer Type(s) Considered: OEM
Trace Required: OEM trace, Maintenance release trace
Required Onsite D/T Z: 2026-09-25 09:19Z
Onsite Location Type: Ramp
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, Exchange (Component Exchange)
Warranty Required: No
Warranty Terms: Not specified
Shipping (Incoterms): DAP

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

24SEP26 1522Z

Aircraft model

Boeing 737 MAX 8

Aircraft series

Not specified

Engine model

LEAP-1B

ICAO location

KHOU

Impact type

Revenue PAX

MX window opens

24SEP26 1519Z

RTS target

25SEP26 1519Z

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

ATC 2 / ADS-B out fail

Error / fault indications

XPDR FAIL on ATC 2, ADS-B OUT inop message, BITE fail on unit

Troubleshooting status

Troubleshooting Incomplete - Additional Items may be required

TSM/FIM reference

FIM 34-53-00

Roles and responsibilities

Avionics Technician