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Alert Details

Maintenance Plan

Southwest seeks an exchange APU, lifting equipment, and technicians for an APU replacement during a scheduled 737-800 A-check at KATL. Work window opens 14 October with return to service the next morning.

Alert Details

Alert type: MX Alert
Added to platform: 29SEP26 0926Z
Aircraft model: Boeing 737-800
Aircraft series: Not specified
Engine model: CFM56-7B
ICAO location: KATL
Impact type: Revenue PAX
MX window opens: 14OCT26 0300Z
RTS target: 15OCT26 1100Z
Wanted items: 3
Alert specifics: Check (A/B/C/D), Scheduled Maintenance
Airworthiness Directive (AD): Not specified
Service Bulletin (SB): Not specified
Check: A
ATA 100 CHAPTERS: 49Airborne Auxiliary Power
Short fault name: Scheduled A-check with APU replacement
Error / fault indications: APU EGT margin trend below planning limit. APU replacement scheduled with the A-check to avoid an unscheduled removal.
Troubleshooting status: Troubleshooting Complete - All required Items listed
TSM/FIM reference: Not specified
Roles and responsibilities: Southwest maintenance planning controls the A-check package and release. Contract A&P mechanics perform APU removal and installation. Supplier provides the exchange APU and lifting equipment.

ITEMS

Items in this alert

3 items

Parts & Rotables · WANTED

3800298-1 - APU exchange unit, 131-9B

Item Id: MDVUT

Overhauled Honeywell 131-9B APU for 737NG, dressed with standard accessories.

Aircraft / Family: Boeing
ATA 100 CHAPTERS: 49Airborne Auxiliary Power
Required: 13OCT26 2000Z
Quantity: 1

Added to platform: 29SEP26 0929Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: Parts & Rotables
Wanted / Available: Wanted
Item Title: APU exchange unit, 131-9B
Sales Copy: Overhauled 737NG APU on exchange for scheduled replacement at KATL.

ITEM DETAILS

Technical specifications

P/N / IPC REF: 3800298-1
ALT P/Ns: 3800298-2
Description: Overhauled Honeywell 131-9B APU for 737NG, dressed with standard accessories.
Rev or Version: Mod 7
Quantity: 1
ACCEPTABLE MANUFACTURER(s): Honeywell Aerospace
Manufacturer Type(s) Considered: OEM
Trace Required: OEM trace
Required Onsite D/T Z: 2026-10-13 20:00Z
Onsite Location Type: Hangar / Maintenance Facility
ATA 100 CHAPTERS: 49Airborne Auxiliary Power
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

APU change crew, FAA A&P

Item Id: YRGKV

Provide a three-person FAA A&P crew with 737NG experience for APU removal, installation, leak checks, and APU run.

Aircraft / Family: Boeing 737-800
ATA 100 CHAPTERS: 49Airborne Auxiliary Power
Required: 14OCT26 0300Z
Location: KATL

Added to platform: 29SEP26 0932Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: Maintenance Services
Wanted / Available: Wanted
Item Title: APU change crew, FAA A&P
Sales Copy: 737NG APU change crew available overnight at KATL.

ITEM DETAILS

Technical specifications

Description: Provide a three-person FAA A&P crew with 737NG experience for APU removal, installation, leak checks, and APU run.
Required Onsite D/T Z: 2026-10-14 03:00Z
Onsite Location Type: Hangar / Maintenance Facility
ATA 100 CHAPTERS: 49Airborne Auxiliary Power

APPLICABILITY & CONDITION

Applicability and condition

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

Tooling, Fixtures, & TMDE · WANTED

737NG-APU-HOIST-KIT - APU removal and installation hoist kit

Item Id: XMGR9

Provide a 737NG APU hoist kit and cradle with current load certification for APU removal and installation.

Aircraft / Family: Boeing
ATA 100 CHAPTERS: 49Airborne Auxiliary Power
Required: 13OCT26 2200Z
Location: KATL

Added to platform: 29SEP26 0931Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: Tools, Fixtures, & TMDE
Wanted / Available: Wanted
Item Title: APU removal and installation hoist kit
Sales Copy: 737NG APU hoist kit and cradle available for KATL A-check.

ITEM DETAILS

Technical specifications

P/N / IPC REF: 737NG-APU-HOIST-KIT
ALT P/Ns: APU-HOIST-737NG
Description: Provide a 737NG APU hoist kit and cradle with current load certification for APU removal and installation.
Rev or Version: Current load certification
Quantity: 1
ACCEPTABLE MANUFACTURER(s): Tronair
Manufacturer Type(s) Considered: OEM
Trace Required: OEM trace
Required Onsite D/T Z: 2026-10-13 22:00Z
Onsite Location Type: Hangar / Maintenance Facility
ATA 100 CHAPTERS: 49Airborne Auxiliary Power
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

OPERATIONAL CHANGES

Alert status updates

No visible status updates have been posted.

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Alert Details

Alert type

MX Alert

Added to platform

29SEP26 0926Z

Aircraft model

Boeing 737-800

Aircraft series

Not specified

Engine model

CFM56-7B

ICAO location

KATL

Impact type

Revenue PAX

MX window opens

14OCT26 0300Z

RTS target

15OCT26 1100Z

Wanted items

Alert specifics

Check (A/B/C/D), Scheduled Maintenance

Airworthiness Directive (AD)

Not specified

Service Bulletin (SB)

Not specified

Check

ATA 100 CHAPTERS

49Airborne Auxiliary Power

Short fault name

Scheduled A-check with APU replacement

Error / fault indications

APU EGT margin trend below planning limit. APU replacement scheduled with the A-check to avoid an unscheduled removal.

Troubleshooting status

Troubleshooting Complete - All required Items listed

TSM/FIM reference

Not specified

Roles and responsibilities

Southwest maintenance planning controls the A-check package and release. Contract A&P mechanics perform APU removal and installation. Supplier provides the exchange APU and lifting equipment.