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Alert Details

Recovery Plan

Southwest 737 MAX 8 at KMCO is held after the number 1 engine would not start, with starter cutout and no N2 rotation. Starter air valve operation is suspect and pneumatic starter replacement support is required.

Alert Details

Alert type: AOG Alert
Added to platform: 28SEP26 1636Z
Aircraft model: Boeing 737 MAX 8
Aircraft series: Not specified
Engine model: LEAP-1B
ICAO location: KMCO
Impact type: Revenue PAX
MX window opens: 28SEP26 1830Z
RTS target: 30SEP26 1500Z
Wanted items: 5
Alert specifics: Unscheduled Maintenance
Airworthiness Directive (AD): Not specified
Service Bulletin (SB): Not specified
Check: Not specified
ATA 100 CHAPTERS: 80Starting
Short fault name: Number 1 engine no-start, starter cutout
Error / fault indications: Number 1 engine starter cuts out with no N2 rotation during start attempt. Starter air valve operation is suspect.
Troubleshooting status: Troubleshooting Complete - All required Items listed
TSM/FIM reference: Not specified
Roles and responsibilities: Southwest MCC coordinates parts and aircraft release. Powerplant mechanic performs starter and valve replacement. Ramp support coordinates engine motoring and run-up.

ITEMS

Items in this alert

5 items

Parts & Rotables · WANTED

GCU-80-101 - Number 1 engine starter air valve

Item Id: DJ9Y3

Serviceable starter air valve compatible with LEAP-1B pneumatic start system, inspected and preserved.

Aircraft / Family: Boeing
ATA 100 CHAPTERS: 80Starting
Required: 29SEP26 1300Z
Quantity: 1

Added to platform: 28SEP26 1637Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: Parts & Rotables
Wanted / Available: Wanted
Item Title: Number 1 engine starter air valve
Sales Copy: Serviceable LEAP-1B starter air valve for number 1 engine start system fault recovery at KMCO.

ITEM DETAILS

Technical specifications

P/N / IPC REF: GCU-80-101
ALT P/Ns: GCU-80-102
Description: Serviceable starter air valve compatible with LEAP-1B pneumatic start system, inspected and preserved.
Rev or Version: Rev 1
Quantity: 1
ACCEPTABLE MANUFACTURER(s): Hamilton Sundstrand
Manufacturer Type(s) Considered: OEM
Trace Required: OEM trace
Required Onsite D/T Z: 2026-09-29 13:00Z
Onsite Location Type: Hangar / Maintenance Facility
ATA 100 CHAPTERS: 80Starting
Acceptable Release Documentation / Tag: FAA Form 8130-3

APPLICABILITY & CONDITION

Applicability and condition

Conditions Considered: Not specified
AIRCRAFT MODEL(s): Boeing 737 MAX 8
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

LEAP1B-80-GSK - Starter mounting gasket and V-band clamp kit

Item Id: AUWA9

New starter mounting gasket, V-band clamp, and associated fasteners packaged for pneumatic starter replacement.

Aircraft / Family: Boeing
ATA 100 CHAPTERS: 80Starting
Required: 29SEP26 1300Z
Quantity: 1

Added to platform: 28SEP26 1637Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: Parts & Rotables
Wanted / Available: Wanted
Item Title: Starter mounting gasket and V-band clamp kit
Sales Copy: New gasket and V-band clamp kit for LEAP-1B pneumatic starter installation at KMCO.

ITEM DETAILS

Technical specifications

P/N / IPC REF: LEAP1B-80-GSK
ALT P/Ns: 80-11-00-KIT
Description: New starter mounting gasket, V-band clamp, and associated fasteners packaged for pneumatic starter replacement.
Rev or Version: Rev 1
Quantity: 1
ACCEPTABLE MANUFACTURER(s): CFM International
Manufacturer Type(s) Considered: OEM
Trace Required: OEM trace
Required Onsite D/T Z: 2026-09-29 13:00Z
Onsite Location Type: Hangar / Maintenance Facility
ATA 100 CHAPTERS: 80Starting
Acceptable Release Documentation / Tag: FAA Form 8130-3

APPLICABILITY & CONDITION

Applicability and condition

Conditions Considered: Not specified
AIRCRAFT MODEL(s): Boeing 737 MAX 8
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

S622-214-001 - Number 1 engine pneumatic starter

Item Id: TPYD3

Serviceable pneumatic starter compatible with LEAP-1B, inspected for cutout operation and preserved for installation.

Aircraft / Family: Boeing
ATA 100 CHAPTERS: 80Starting
Required: 29SEP26 1300Z
Quantity: 1

Added to platform: 28SEP26 1636Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: Parts & Rotables
Wanted / Available: Wanted
Item Title: Number 1 engine pneumatic starter
Sales Copy: Serviceable LEAP-1B pneumatic starter for number 1 engine no-start recovery at KMCO.

ITEM DETAILS

Technical specifications

P/N / IPC REF: S622-214-001
ALT P/Ns: S622-214-002
Description: Serviceable pneumatic starter compatible with LEAP-1B, inspected for cutout operation and preserved for installation.
Rev or Version: Rev 2
Quantity: 1
ACCEPTABLE MANUFACTURER(s): Safran Aerosystems
Manufacturer Type(s) Considered: OEM
Trace Required: OEM trace
Required Onsite D/T Z: 2026-09-29 13:00Z
Onsite Location Type: Hangar / Maintenance Facility
ATA 100 CHAPTERS: 80Starting
Acceptable Release Documentation / Tag: FAA Form 8130-3

APPLICABILITY & CONDITION

Applicability and condition

Conditions Considered: Not specified
AIRCRAFT MODEL(s): Boeing 737 MAX 8
ENGINE MODEL(s): Not specified

TERMS

Terms

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

GSE & Ramp Services · WANTED

Engine run-up support and ramp coordination

Item Id: PNYYH

Provide ramp coordination and GSE support for engine motoring, starter and air valve functional checks, leak inspection, and controlled engine run-up after maintenance.

Aircraft / Family: Boeing
ATA 100 CHAPTERS: 80Starting
Required: 30SEP26 1200Z
Location: KMCO

Added to platform: 28SEP26 1640Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: GSE & Ramp Services
Wanted / Available: Wanted
Item Title: Engine run-up support and ramp coordination
Sales Copy: GSE and ramp support for LEAP-1B engine motoring, starter functional check, and post-maintenance engine run-up at KMCO.

ITEM DETAILS

Technical specifications

Description: Provide ramp coordination and GSE support for engine motoring, starter and air valve functional checks, leak inspection, and controlled engine run-up after maintenance.
Required Onsite D/T Z: 2026-09-30 12:00Z
Onsite Location Type: Ramp
ATA 100 CHAPTERS: 80Starting

APPLICABILITY & CONDITION

Applicability and condition

Conditions Considered: Not specified
AIRCRAFT MODEL(s): Boeing 737 MAX 8
Aircraft Model: Not specified
ENGINE MODEL(s): Not specified

Maintenance Services · WANTED

Powerplant mechanic onsite, FAA A&P

Item Id: DRXRR

Provide a 737 MAX 8 powerplant mechanic for number 1 engine starter troubleshooting and replacement, starter air valve inspection, leak check, engine motoring, and return-to-service support.

Aircraft / Family: Boeing 737 MAX 8
ATA 100 CHAPTERS: 80Starting
Required: 29SEP26 1300Z
Location: KMCO

Added to platform: 28SEP26 1638Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: Maintenance Services
Wanted / Available: Wanted
Item Title: Powerplant mechanic onsite, FAA A&P
Sales Copy: FAA A&P powerplant mechanic available onsite at KMCO for LEAP-1B starter and starter air valve replacement, engine motoring, and run-up support.

ITEM DETAILS

Technical specifications

Description: Provide a 737 MAX 8 powerplant mechanic for number 1 engine starter troubleshooting and replacement, starter air valve inspection, leak check, engine motoring, and return-to-service support.
Required Onsite D/T Z: 2026-09-29 13:00Z
Onsite Location Type: Hangar / Maintenance Facility
ATA 100 CHAPTERS: 80Starting

APPLICABILITY & CONDITION

Applicability and condition

Conditions Considered: Not specified
AIRCRAFT MODEL(s): Boeing 737 MAX 8
Aircraft Model: Boeing 737 MAX 8
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 1636Z

Aircraft model

Boeing 737 MAX 8

Aircraft series

Not specified

Engine model

LEAP-1B

ICAO location

KMCO

Impact type

Revenue PAX

MX window opens

28SEP26 1830Z

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

80Starting

Short fault name

Number 1 engine no-start, starter cutout

Error / fault indications

Number 1 engine starter cuts out with no N2 rotation during start attempt. Starter air valve operation is suspect.

Troubleshooting status

Troubleshooting Complete - All required Items listed

TSM/FIM reference

Not specified

Roles and responsibilities

Southwest MCC coordinates parts and aircraft release. Powerplant mechanic performs starter and valve replacement. Ramp support coordinates engine motoring and run-up.