This section captures essential aircraft identification and operational parameters to establish the maintenance context. Accurate recording ensures traceability and regulatory compliance.
Aircraft Registration
Aircraft Type & Model
Manufacturer Serial Number (MSN)
Total Flight Cycles (at start of maintenance)
Total Flight Hours (at start of maintenance)
Maintenance Event Start Date/Time (UTC)
Maintenance Event End Date/Time (UTC)
Maintenance Location (ICAO/IATA Code)
Operational Category
Commercial Air Transport
Cargo Operations
Business Aviation
Private Operations
Training/Flight School
Government/Military (Civilian Registry)
Document all personnel involved in maintenance activities, their qualifications, and authorization scope. This ensures accountability and demonstrates competent oversight.
Primary Maintenance Technician Full Name
Primary Technician License/Authorization Number
Primary Technician Approval Scope (Aircraft Type/Systems)
Supervising Certifying Staff Full Name
Supervisor License/Authorization Number
Were additional technicians involved?
Additional Technicians
Technician Name | License / Authorization Number | Role / Responsibility | ||
|---|---|---|---|---|
A | B | C | ||
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10 |
Maintenance Organization Approval Number
Categorize the maintenance performed and reference all governing technical documentation. This establishes the regulatory and technical framework for the work accomplished.
Maintenance Category (Select all applicable)
Line Maintenance
Base Maintenance
A-Check Equivalent
B-Check Equivalent
Defect Rectification
Component Replacement
System Test/Calibration
Modification
Embodiment of Service Bulletin
Airworthiness Directive Compliance
Pre-Flight Inspection
Transit Check
Daily Check
Weekly Check
Work Order/Job Card Number
Were scheduled maintenance tasks performed?
List scheduled task references (e.g., AMM Task 24-21-00-200-001-A00)
Were unscheduled/defect rectification tasks performed?
List defect references and troubleshooting procedures used
Technical Document References (AMM, IPC, SRM, SB, AD, EO, etc.)
Systematically document the condition of aircraft systems, structures, and components inspected. Rate overall condition and detail any findings requiring corrective action.
Rate the condition of the following aircraft zones/systems (1=Poor, 5=Excellent)
Airframe Structure (fuselage, wings, empennage) | |
Powerplant & APU | |
Landing Gear & Brakes | |
Flight Control Systems | |
Avionics & Navigation Systems | |
Electrical Systems | |
Hydraulic Systems | |
Fuel Systems | |
Environmental Control Systems | |
Cabin & Emergency Equipment |
Were any defects, damage, or wear beyond acceptable limits discovered?
CRITICAL: All discrepancies must be detailed in the 'Discrepancy & Corrective Action Log' section below with photographic evidence if applicable.
Were borescope or special inspections required?
Special Inspection Details
Inspection Type | Area / Component | Reference Document | Findings Summary | ||
|---|---|---|---|---|---|
A | B | C | D | ||
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10 |
Is photographic evidence of findings attached?
Upload inspection photographs (ensure file names are descriptive)
Log all discrepancies, defects, or non-conformances identified during maintenance. Each item requires a corresponding corrective action and independent verification. This log is critical for demonstrating airworthiness compliance.
Discrepancy & Corrective Action Details
Item Number | Discrepancy Description | Affected System/Component | Severity | Corrective Action Taken | Action Reference (AMM, SB, etc.) | Independent Inspection Required? | Inspector Name | Final Status (Closed/Deferred) | ||
|---|---|---|---|---|---|---|---|---|---|---|
A | B | C | D | E | F | G | H | I | ||
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10 |
Were any discrepancies deferred for future rectification?
List deferred items with justification and MEL/CDL reference
Record all parts installed, removed, or consumed during maintenance. Ensure full traceability for life-limited parts and verify compliance with approved parts regulations.
Were any parts installed or replaced?
Parts Installation/Consumption Log
Part Number | Part Description | Quantity | Serial/Lot Number | Condition | Removed Part Serial/Lot Number | Is part traceability documentation attached? | Installation Position/Location | ||
|---|---|---|---|---|---|---|---|---|---|
A | B | C | D | E | F | G | H | ||
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10 |
Were any life-limited parts (LLP) installed?
Life-Limited Part Tracking
Part Number | Serial Number | Remaining Life (Cycles/Hours) | Next Due Date | Reference Document | ||
|---|---|---|---|---|---|---|
A | B | C | D | E | ||
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10 |
Were any standard consumables (fluids, sealants, etc.) used?
List consumables with batch numbers and quantities
Verify all tools and equipment used were within calibration intervals and serviceable. Non-compliant tools must be identified and assessed for potential impact on maintenance quality.
Were specialized tools or test equipment used?
Tool & Equipment Utilization Log
Tool/Equipment ID | Description | Calibration Due Date | Calibration Current? | Serviceable Condition? | Used For Task Reference | ||
|---|---|---|---|---|---|---|---|
A | B | C | D | E | F | ||
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10 |
Were any tools used with expired calibration?
Provide justification for use and risk assessment
Were torque wrenches used for critical fastener installations?
Torque Wrench Verification
Torque Wrench ID | Fastener Location | Specified Torque Value | Actual Torque Applied | ||
|---|---|---|---|---|---|
A | B | C | D | ||
1 | |||||
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10 |
Document all functional tests, operational checks, and system verifications performed to ensure correct system operation post-maintenance.
Were any operational tests performed?
Test & Check Results
System/Component Tested | Test Procedure Reference | Test Equipment Used | Test Result | Observations/Comments | ||
|---|---|---|---|---|---|---|
A | B | C | D | E | ||
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10 |
Were engine ground runs performed?
Engine Ground Run Details
Engine Position | Run Duration (minutes) | Power Settings | Parameters Observed | Within Normal Limits? | ||
|---|---|---|---|---|---|---|
A | B | C | D | E | ||
1 | ||||||
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10 |
Was an Auxiliary Power Unit (APU) operational test performed?
Summarize APU test parameters and results
Make the final airworthiness determination based on all maintenance performed, discrepancies identified, and corrective actions taken. This decision is legally binding and determines the aircraft's eligibility for return to service.
Final Airworthiness Determination
Airworthy - Approved for Return to Service
Airworthy - With Minor Deferred Items per MEL
Not Airworthy - Requires Additional Maintenance
Not Airworthy - Grounded Pending Investigation
Is a test flight required before return to passenger service?
Specify test flight profile and special observations required
Were any Minimum Equipment List (MEL) items deferred?
MEL/CDL Deferrals
MEL/CDL Item Number | Inoperative Equipment/System | Rectification Interval | Deferral Expiry Date | Associated Procedures Completed? | ||
|---|---|---|---|---|---|---|
A | B | C | D | E | ||
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10 |
Are there any outstanding items that do not affect immediate airworthiness but require future attention?
Describe monitoring requirements and future action plans
Was the aircraft weighed or had its center of gravity calculated?
Updated Weight & Balance Reference
Confirm compliance with all applicable regulatory requirements, quality procedures, and that all documentation is complete and accurate for audit purposes.
I certify that all work was performed in accordance with approved technical data and organizational procedures
I certify that all parts and materials used were approved for installation on this aircraft type
I certify that all tools and equipment were calibrated and serviceable
I certify that all discrepancies were properly documented and either rectified or deferred in accordance with regulations
I certify that a thorough review of all maintenance records was completed before making the airworthiness determination
Was a quality assurance audit sample performed on this maintenance event?
QA Auditor Name
Were any regulatory notifications required (e.g., Service Difficulty Report)?
Specify regulatory authority and notification details
Digital signature legally certifies the accuracy of all information provided and the airworthiness determination. All signatories must be authorized and have personally verified critical aspects of the maintenance performed.
Primary Maintenance Technician Signature
Technician Sign-off Timestamp
Certifying Staff Signature
Certifying Staff Sign-off Timestamp
Was an independent inspection required for any tasks?
Independent Inspector Signature
Is maintenance organization management approval required for this release?
Maintenance Manager Signature
Additional Comments or Special Notes
To configure an element, select it on the form.