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Alert Details

Recovery Plan

KLM 737-800 at LEBL is held after a bird strike on departure roll into the number 2 engine. Two fan blades show leading edge damage beyond AMM limits, requiring a matched fan blade pair, borescope inspection, and EASA-licensed powerplant support.

Alert Details

Alert type: AOG Alert
Added to platform: 29SEP26 1005Z
Aircraft model: Boeing 737-800
Aircraft series: Not specified
Engine model: CFM56-7B
ICAO location: LEBL
Impact type: Revenue PAX
MX window opens: 29SEP26 0755Z
RTS target: 30SEP26 1600Z
Wanted items: 4
Alert specifics: Unscheduled Maintenance
Airworthiness Directive (AD): Not specified
Service Bulletin (SB): Not specified
Check: Not specified
ATA 100 CHAPTERS: 72Engine
Short fault name: Number 2 engine fan blade damage after bird strike
Error / fault indications: Rejected takeoff at low speed after bird strike. Post-event inspection found nicks and a leading edge dent on two number 2 engine fan blades, with bird remains in the bypass duct.
Troubleshooting status: Troubleshooting Incomplete - Additional Items may be required
TSM/FIM reference: Not specified
Roles and responsibilities: KLM MCC coordinates parts, engineering disposition, and release. EASA B1 powerplant engineer performs fan blade replacement. Borescope provider performs core inspection and reports to KLM powerplant engineering.

ITEMS

Items in this alert

4 items

Parts & Rotables · WANTED

340-001-026-0 - CFM56-7B fan blade, matched pair

Item Id: HCJ4K

Serviceable CFM56-7B fan blades supplied as a moment-weight matched pair with blade weights and records.

Aircraft / Family: Boeing
ATA 100 CHAPTERS: 72Engine
Required: 30SEP26 0600Z
Quantity: 2

Added to platform: 29SEP26 1007Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: Parts & Rotables
Wanted / Available: Wanted
Item Title: CFM56-7B fan blade, matched pair
Sales Copy: Matched pair of serviceable CFM56-7B fan blades for bird strike recovery at LEBL, EASA Form 1 released.

ITEM DETAILS

Technical specifications

P/N / IPC REF: 340-001-026-0
ALT P/Ns: 340-001-027-0
Description: Serviceable CFM56-7B fan blades supplied as a moment-weight matched pair with blade weights and records.
Rev or Version: Rev 4
Quantity: 2
ACCEPTABLE MANUFACTURER(s): CFM International
Manufacturer Type(s) Considered: OEM
Trace Required: Back-to-birth trace
Required Onsite D/T Z: 2026-09-30 06:00Z
Onsite Location Type: Ramp
ATA 100 CHAPTERS: 72Engine
Acceptable Release Documentation / Tag: EASA Form 1

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

CFM56-7B-72-FBK - Fan blade shim and retainer kit

Item Id: WQVDM

New fan blade shims, retainers, and dry film lubricant consumables for CFM56-7B fan blade replacement.

Aircraft / Family: Boeing
ATA 100 CHAPTERS: 72Engine
Required: 30SEP26 0600Z
Quantity: 1

Added to platform: 29SEP26 1009Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: Parts & Rotables
Wanted / Available: Wanted
Item Title: Fan blade shim and retainer kit
Sales Copy: New fan blade installation kit for CFM56-7B, shipped with the blade pair to LEBL.

ITEM DETAILS

Technical specifications

P/N / IPC REF: CFM56-7B-72-FBK
ALT P/Ns: 340-043-601-0
Description: New fan blade shims, retainers, and dry film lubricant consumables for CFM56-7B fan blade replacement.
Rev or Version: Rev 2
Quantity: 1
ACCEPTABLE MANUFACTURER(s): CFM International
Manufacturer Type(s) Considered: OEM
Trace Required: OEM trace
Required Onsite D/T Z: 2026-09-30 06:00Z
Onsite Location Type: Ramp
ATA 100 CHAPTERS: 72Engine
Acceptable Release Documentation / Tag: EASA Form 1, Certificate of Conformance

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

Powerplant engineer onsite, EASA Part-66 B1

Item Id: JYGEQ

Provide an EASA B1 licensed engineer with CFM56-7B experience for fan blade replacement, trim balance if required, engine run, and certificate of release to service.

Aircraft / Family: Boeing 737-800
ATA 100 CHAPTERS: 72Engine
Required: 30SEP26 0600Z
Location: LEBL

Added to platform: 29SEP26 1011Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: Maintenance Services
Wanted / Available: Wanted
Item Title: Powerplant engineer onsite, EASA Part-66 B1
Sales Copy: EASA B1 CFM56-7B powerplant engineer onsite at LEBL for fan blade replacement and release.

ITEM DETAILS

Technical specifications

Description: Provide an EASA B1 licensed engineer with CFM56-7B experience for fan blade replacement, trim balance if required, engine run, and certificate of release to service.
Required Onsite D/T Z: 2026-09-30 06:00Z
Onsite Location Type: Ramp
ATA 100 CHAPTERS: 72Engine

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

Engine borescope inspection, LPC and HPC

Item Id: UUTCT

Perform borescope inspection of the number 2 engine booster and HPC stages 1 to 3 after bird ingestion, with recorded images and a findings report per CFM56-7B AMM limits.

Aircraft / Family: Boeing 737-800
ATA 100 CHAPTERS: 72Engine
Required: 29SEP26 1800Z
Location: LEBL

Added to platform: 29SEP26 1010Z

DetailsClose

ITEM WORKFLOW

Item basics

Item Type: Testing & Certification
Wanted / Available: Wanted
Item Title: Engine borescope inspection, LPC and HPC
Sales Copy: Onsite CFM56-7B borescope team at LEBL for post bird strike core inspection and reporting.

ITEM DETAILS

Technical specifications

Description: Perform borescope inspection of the number 2 engine booster and HPC stages 1 to 3 after bird ingestion, with recorded images and a findings report per CFM56-7B AMM limits.
Required Onsite D/T Z: 2026-09-29 18:00Z
Onsite Location Type: Ramp
ATA 100 CHAPTERS: 72Engine

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

29SEP26 1005Z

Aircraft model

Boeing 737-800

Aircraft series

Not specified

Engine model

CFM56-7B

ICAO location

LEBL

Impact type

Revenue PAX

MX window opens

29SEP26 0755Z

RTS target

30SEP26 1600Z

Wanted items

Alert specifics

Unscheduled Maintenance

Airworthiness Directive (AD)

Not specified

Service Bulletin (SB)

Not specified

Check

Not specified

ATA 100 CHAPTERS

72Engine

Short fault name

Number 2 engine fan blade damage after bird strike

Error / fault indications

Rejected takeoff at low speed after bird strike. Post-event inspection found nicks and a leading edge dent on two number 2 engine fan blades, with bird remains in the bypass duct.

Troubleshooting status

Troubleshooting Incomplete - Additional Items may be required

TSM/FIM reference

Not specified

Roles and responsibilities

KLM MCC coordinates parts, engineering disposition, and release. EASA B1 powerplant engineer performs fan blade replacement. Borescope provider performs core inspection and reports to KLM powerplant engineering.