Urgent Aircraft On Ground (AOG) Spare Parts Dispatch & Return-to-Service Authorization

Aircraft Tail Number/Registration Mark

Aircraft Manufacturer and Model

Aircraft Serial Number (MSN)

Original Flight Number

Scheduled Flight Route Details

Actual Grounding Date/Time (UTC)

Grounding Location - Airport Name and ICAO Code

Specific Ground Position (Gate, Hangar, Stand Number)

Detailed Physical Location Description

Is the aircraft location accessible 24/7 for emergency deliveries?

Describe access restrictions and required coordination:

Primary Reason for Grounding (Technical Fault Description)

ATA Chapter Reference

Troubleshooting Actions Already Performed

Operational Impact Assessment - Select all affected areas

Number of Passengers Directly Affected

Number of Downline Flights Cancelled or Delayed

Is this aircraft designated as a 'Lead Aircraft' for a fleet modification program?

Provide program name and impact of delay:

Part Number (P/N) - Manufacturer

Alternate Part Number (if applicable)

Serial Number (S/N) of the REQUIRED spare part

Part Nomenclature/Description

ATA Chapter

Exact Failure Mode and Symptoms Observed

Aircraft Maintenance Manual (AMM) Reference for Replacement

Illustrated Parts Catalog (IPC) Reference

Is this a 'No-Go' item per MEL/CDL?

Required Airworthiness Certification Form

Does your regulatory authority accept C of C for this part classification?

Explain certification investigation plan:

Does the replacement part require 'New' condition or is 'Serviceable' (Overhauled) acceptable?

Preferred Supplier/Vendor Name

Supplier Certificate Number

Is the part available from in-house inventory or another company aircraft (cannibalization)?

Source Location/Aircraft Tail Number:

Has an Engineering Order (EO) or Alternative Parts Request been submitted for this part?

EO/APR Number and Approval Date:

Upload Preliminary Fault Isolation Report (PDF)

Upload Digital Photographs of Failed Component and Installed Location

Primary Sourcing Strategy

On-Board Courier Contact Name and Mobile Number:

Charter Service Provider and Flight Number:

Third-Party AOG Provider Name and Reference Number:

Lending Airline and Interline Agreement Reference:

Does this shipment require customs clearance (cross-border/international)?

Customs Pre-Coordination Status - Select all completed actions

Cost Authorization and Budget Impact

Purchase Order (PO) Number or Emergency Procurement Reference

Supplier Contact Name (24/7 Emergency Line)

Supplier Emergency Phone/Mobile

Supplier Email for Documentation

Physical Shipping Origin Address

Final Delivery Destination Address

Latest Acceptable Delivery Time (Aircraft UTC)

Is a backup/secondary part source identified?

Backup Supplier and Part Availability Details:

Does the part require special handling (HazMat, ESD, temperature-controlled)?

Select all applicable special handling requirements

Shipment Tracking Number(s) and Real-Time Tracking URL

Logistics Risk Assessment - Probability of On-Time Delivery

Lead Aircraft Maintenance Technician (LMT) Name

LMT License/Authorization Number

Additional Mechanics Assigned (Names and Licenses)

Does this installation require specialized tooling or ground support equipment?

List all special tooling, part numbers, and calibration due dates:

Does the AMM require an Engine Ground Run or System Operational Test?

Select all required post-installation tests

Is a Licensed Aircraft Maintenance Engineer (LAE) Inspector required for witness/verification?

Inspector Name and Authorization:

Installation Step-by-Step Verification Checklist

Were any installation difficulties or defects discovered during removal/installation?

Describe discrepancy and corrective action taken:

Was the replacement part physically inspected upon receipt?

Receipt Inspection Results - Select all verified conditions

Pre-Flight System Check Results and Parameters Recorded

Is a post-maintenance test flight required before commercial release?

Test Flight Profile and Restrictions:

Upload Completed Installation Work Order/Task Card (PDF)

Upload Post-Installation System Test Printout/Digital Log File

Lead Aircraft Maintenance Technician (LMT) Full Name

LMT License Number and Issuing Authority

LMT Sign-Off Timestamp (UTC)

LMT Confirmation: I have personally performed or directly supervised all maintenance actions. All steps have been completed per approved data, required inspections passed, and the aircraft is safe for the intended operation.

Did the LMT identify any open deferred defects or carry-over items?

List all deferred defects with MEL/CDL reference and expiry:

AOG Operations Director Full Name

AOG Operations Director Employee ID or Authorization Code

AOG Operations Director Sign-Off Timestamp (UTC)

AOG Operations Director Confirmation: I accept operational risk and authorize Return to Service. All stakeholders have been notified and flight planning is coordinated.

Are there any operational restrictions or limitations for the next flight?

Detail all operational restrictions (MEL items, performance penalties, routing limitations):

Final Aircraft Status

Actual Time of Return to Service (TAT)

Total Aircraft Ground Time (Hours)

Post-Dispatch Monitoring Requirements (e.g., trend monitoring, repetitive inspections)

Has the Flight Operations team been briefed on the maintenance performed?

Has the Crew Scheduling team been updated on aircraft availability?

Has the Ground Operations team been notified for pushback and departure sequencing?

Lead Aircraft Maintenance Technician Digital Signature

AOG Operations Director Digital Signature

Upload Final Technical Logbook Entry (PDF)

Upload Completed Airworthiness Release Certificate (ARC) / Form

Select all departments that must receive a copy of this completed dispatch authorization

Form Completed By (Name)

Form Completion Timestamp (UTC)

Will this AOG event trigger a formal Reliability Investigation?

Reliability Investigation Reference Number:

Will this AOG event be reported to the aircraft manufacturer via Technical Service Request (TSR)?

TSR Number:

Overall AOG Response Effectiveness Rating (1=Poor to 5=Excellent)

Lessons Learned and Process Improvement Recommendations