Mobile audits & inspections
Get AppGet App
Use this digital template

Line Maintenance Quality Inspection Checklist

Rated 4.8/5 stars on Capterra

Say goodbye to paper checklists!

Lumiform enables you to conduct digital inspections via app easier than ever before
  • Cut inspection time by 50%
  • Uncover more issues and solve them 4x faster
  • Select from over 5,000 expert-proofed templates
Share now

Digitalize this paper form now

Register for free on and conduct inspections via our mobile app

  • Cut inspection time by 50%
  • Uncover more issues and solve them 4x faster
  • Select from over 4000 expert-proofed templates
Rated 4.8/5 stars on Capterra
App StorePlay Store

Line Maintenance Quality Inspection Checklist

Select date


SAFETY IS ALWAYS THE NUMBER ONE PRIORITY Compliance and Consistency Use SMS approach to identify potential hazards and establish mitigations  The Line Maintenance Quality Control Inspection is a process developed by Line Maintenance to enhance safety and quality, drive compliance and consistency, reduce audit and safety occurrences by ensuring 100% conformance to company procedures in line stations  The LM QC inspection should be conducted at 6-month intervals for all stations.  Once the checklist is completed, it should be submitted to the responsible Engineering Manager for review and follow up actions  The EMs shall acknowledge and respond to the findings within 2 weeks  The follow-up action and rectification to close the findings should be carried out in a timely manner  Completed checklists should be retained in station folder for two years  Implementation of mitigations / corrective actions will be checked by QC inspectors at next inspection  Refer to EOMP 8-40 for details of LM QC procedures


Engineering Exposition EOMP – Engineering Organization and Maintenance Procedure LM EPM Vol 8 QN – Quality Notice SPM – Station Procedure Manual

A. Aircraft Operation

Section 1. Pre-arrival Preparation

A.1 Aircraft status reviewed through AIRMAN / AHM and UMReference: EOMP 7B-3-2

A.2 Current check sheet with tooling and equipmentReference: EOMP 7B-6, 7B-3-1

A.3 FOD check c/o in the ramp area Reference: EOMP 7B-3-2, 16-3-3

A.4 Ground equipment serviceable and available (GPU,ACU)Reference: EOMP

A.5 Fire extinguisher positioned in the parking bay area Reference: EOMP

Section 2. Aircraft Arrival

A.6 Aircraft status reviewed through AIRMAN / AHM and UMReference: EOMP 7B-3-2

A1.2 Current check sheet with tooling and equipmentReference: EOMP 7B-6, 7B-3-1

A1.3 FOD check c/o in the ramp area Reference: EOMP 7B-3-2, 16-3-3

A1.4 Ground equipment serviceable and available (GPU,ACU)Reference: EOMP

A1.5 Fire extinguisher positioned in the parking bay area Reference: EOMP

Tools and Equipment

Are there adequate wing and body jacks to support aircraft maintenance? Are the jacks clean and well maintained?

Are there cranes, maintenance stands, mobile power supplies, etc to perform maintenance rectification on the aircraft

Are equipment and tools necessary to comply with the contracted work available? (4.6.2)

Are equipment and tools used in the CA well maintained, identified and protected? (4.6.3)

Does the AO ensure procedures to control and document the calibration and records of all tools including staff owned tools, and preventing out-of service and due-for -calibration tools and equipment from being used? (view calibration records and procedures) (4.11.1)The procedure elements includes:1) Calibration date 2) Identity of individual or vendor that performed calibration or check3) Calibration due date 4) A calibration certificate 5) Details of adjustments and repairs 6) Repair History 7) The p/n & s/n of standard used for calibration

Check if there is calibration control over the staff owned tools. If YES, is the system effective? (4.11.1)

Check the GSE maintenance program. Is it adequate and are there proper records available?

Record impressions of the tooling and equipment generally.

Maintenance Data and Records

Does CA have a maintenance control room, telex machine, microfilm readers, photocopy / fax machine, computer system with e-mail access for operator provided maintenance data.

Does CA have capability to read maintenance data from DVD, CD-ROM? Is computer connected to the printer? (test if possible)

Does CA provide use and guidance to maintenance personnel of a MOE which may be issued in several parts? (4.9.1) See Attachment

Does CA have a process to amend the MOE as necessary to keep the information up to date and issue revisions to the MOE promptly to all organizations or persons to whom the MOE has been issued? (4.9.2, 4.9.3)

Are AMM, IPC, WDM, MEL, SRM, Line Maintenance Manual, etc including temporary revisions, available, properly stored and updated? (sample check)

Does CA have a process to amend the MOE as necessary to keep the information up to date and issue revisions to the MOE promptly? (4.9.2, 4.9.3)

Are technical information memos (or equivalents) kept current and accessible?

Is there a system of filing / retention of completed worksheets and Tech Log coupons & other documentation related to completed maintenance and rectification work?

Does CA issue, complete and sign maintenance release that certifies maintenance work is performed IAW approved data and procedures described in CA SAR145 MOE.Maintenance release shall include:Basic details of maintenance performed A reference of approved data used Maintenance tasks that were not accomplished The date maintenance was completed the maintenance organization approval number Identity of the person that sign the release. (4.10.1)


Does receiving inspection assure parts, materials & components are supplied with ARC/CoC and traceability back to originator? (4.6.5)Does receiving inspection have a process for verification of incoming part tags (e.g. part name, p/n, s/n, mods or any applicable ref info) matches the corresponding information on the part? (4.6.5)

Does the CA system ensure that there are no unserviceable, unidentified or untagged parts in the bonded stores? (4.4.2). Does CA have a quarantine store for segregating rejected parts and materials awaiting disposition? (4.7.1)

Is a shelf life program for stored items in place and includes shelf life limit to be controlled and displayed? (4.6.4) Are scrap materials mutilated?

Are high pressure bottles, flammable, toxic or volatile materials properly identified and stored to protect from damage & deterioration? (4.6.3)

What are the arrangements for spare wheels and accessing pool spares, if applicable?What is the arrangement for the supply ofEngine/APU oil, hydraulic fluid;Nitrogen, aviation breathing oxygen;Oxygen fill facility - or use workshops

Does AO has a process for proper storage conditions, e.g. space, racks/shelves, airline spares segregation (serviceable, unserviceable and non aircraft parts), parts identification, temperature & humidity controlled and clean (including management offices)? (4.6.3) (4.7.2)

Are there sufficient supplies and spare parts available to ensure timely rectifications with regard to MEL provisions and service level agreement? (4.6.2)

Does CA have storage method that assures sensitive parts, e.g. O2 bottles, O-rings and ESD are properly packaged, identified and stored to protect contamination? (4.7.4).

Does CA have a process assures aircraft components and parts are shipped in suitable containers that provide protection from damage and, when specified by the OEM, ATA 300 or equivalent containers shall be used (4.7.5)

What are the arrangements for return of operator spares removed from an aircraft?

Audit Checklist 03 – Line Station Ground Handling Agent

Ground Handling

Record the name and contact details of Ground Handling Agent. Include phone / fax number and email address

If other operator’s aircraft operate through the station· The no. of staff who have experience handling a major operator’s aircraft· If these people will be used to handle JSA/VLU aircraftView list of personnel & records of their initial and recurrent training (every 36 months) record as applicable

If the agent has not handled a major operator’s aircraft, review with station mgmt the number of staff that have aircraft transit handling experience

Is the method of dealing with various situations e.g. use of marshalling signals, cockpit to ground communication, refuelling precautions acceptable? Discuss with crew chief if possible)

Are the following ground support equipment (GSE) available & GSE maintenance program in place: e.g. GPU, air start unit, axle jacks, tow bars, tow tugs, nitrogen carts, air conditioning trucks, conveyor belts, cranes, maintenance stands, etc ? (Note: use de-icing/anti-icing agent checklist if such services are required) (3.5.3)

Is the following equipment e.g. chocks, stands, carts, trolleys, steps, head sets clean and maintained? (3.5.3)

Is maintenance completed on the ground support equipment adequately recorded? (3.5.4)

Audit Checklist 04 – Line Station Ramp Servicing Agent

Ramp Servicing

Record the name and contact details of Ramp Servicing Agent. Include phone / fax number and email address

Are the toilet drain trucks(s) maintained in good mechanical condition? (3.5.3)

Are potable water supply trucks clean and well maintained? Is supply coupling protected from contamination? (3.5.3)

Are there exposed battery terminals or visible wiring on the ground equipment? Are the exhaust systems of the equipment in good condition? (3.5.3)

Does agent have an acceptable system of quality checks for potable water supply?· Acceptable water source is used· Cleaning schedule of water source & water carts in place (view reports)· Water quality analysis regularly done by acceptable test house (view report)· Procedure established to treat water if contaminated (3.5.3)

Is maintenance completed on the ramp servicing equipment adequately recorded? (3.5.4)

Record impressions of Ramp and Ramp Servicing Agent generally

Audit Checklist 06 – Aircraft Transit & Stayover

Aircraft Transit

Type of check observed:

Aircraft Reg ___________Flt No________ATA_____________ATD______________No. of technical personnel assigned on the flight ____________

Are following best practices in place e.g.· safety cones or markers set around the aircraft to minimize damages to aircraft during servicing and maintenance work· Are personnel observant of safety / hazardous actions while working on or around the aircraft

Observe the following tasks were satisfactorily done:· Receipt procedure – marshalling, docking, chock placement, headset communication with cockpit crew· Ground servicing – air conditioning (if required), toilet & water servicing· Fuelling process – communication, close-up & certification· Transit check items – oils, hydraulics, oleos, tires, walk around and cabin interior· Defect rectification (if any) and certification· Pneumatic engine starting (if required) pushback or towing· Departure checks – communication, engine starting, pushback and disconnectionNote: If stayover check is observed, audit can only be applied to the relevant activities witnessed

Are maintenance releases / reports completed satisfactorily?

Audit Checklist 08 – Aircraft De-icing & Anti-icing


Record the name and contact details of Aircraft De-icing & Anti-icing Agent. Include phone / fax number and email address

Is an acceptable or approved de-icing / anti-icing program used? (4.2.1, 4.2.2)

Are any of the following de-icing / anti-icing equipment (ramp, gantry, pad) available? (4.2.3)

Does the de-icing / anti-icing contractor change from season to season?

Are the following acceptable? Inspect and record the results of the following checks· Documentation for de-icing and anti icing.· Training (initial including recurrent once in 36 months) of de-icing and anti icing personnel.· Quality control on fluid storage, type checking and calibration of equipment.· Process and application, where audits are carried out during winter operations.· Equipment suitability and related maintenance.· Types of fluids used.· Agent has a system for notification & record keeping of de-icing activities.Number of occasions de-icing / anti icing applied on JSA/VLU aircraft during last winter

Are de-icing/anti-icing fluids used; (4.2.4)· stored, handled and applied IAW fluid manufacturer criteria as applicable.· manufactured IAW ISO Specifications

Does contractor has acceptable procedures in place for de-icing/anti-icing personnel to communicate with the flight crew? (4.2.5)

Where possible, take photographs of de-icing & anti-icing equipment and operations.

Audit Checklist 05 – Aircraft Fuelling Agent

Aircraft Fuelling Agent

Record the name and contact details of Aircraft Fuelling (Intoplane) Agent. Include phone / fax number and email address.

Is agent audited by international or external auditing organisation?

Are the following acceptable? Review· Supplier quality performance, including any history of contamination.· Local environment conditions i.e. sources of contamination.· Means of fuel uplift onto aircraft: u/g hydrant or dispenser / fuel truck · Frequency of use by JSA aircraft

Are the fuelling agent quality checks acceptable? Review· Recertification process (view report)· Regular lab analysis (view report) · Millipore check (view report)· Storage tank maintenance & cleaning schedule (view report, if available)· Water sump check & maintenance for u/g plumping at low points an end points (applicable to hydrant system)· Cleaning & sampling schedule for fuelling vehicles

Are hydrant pits clean, caps in place, no water and shut-off lanyard fitted? Check location and accessibility of hydrant shut-off buttons

Are the following on fuel trucks acceptable?· Mechanical condition, exhausts, wiring.· Operation of auto shut-off devices.· Bonding and earthing provisions.· Deployment of fire extinguishers

Are refuelling personnel training records (e.g. operational safety & fire) available?

If possible, observe aircraft refuelling operation. Check documentation provided by the fuelling agent. Acceptable?

Audit Checklist 07 – Fuel Storage Facility

Fuel Storage Facility

General condition of the tank yard. Is storage facility properly identified? (Placards, instructions, etc)

Is the filter change date marked on the vessel?

Are storage tank cleaning and inspection accomplished periodically? Verify records.

Quality monitoring of fuel supplies including supplier checks & uplift contamination checks adequate? Fuel tank water drain checks effective?

Is there a segregated system to prevent mixing of products?

Are emergency shutoff valves and switches clearly marked and kept free of obstructions?

Are operational checks of emergency shutdown system performed? Verify by documented records.

Does facility have a deadman control for loading refuelers?

Are fire and safety issues addressed including fuel leaks? Check location, accessibility and condition of fire extinguishers?

Is condition of hoses, swivels and nozzles satisfactory? Are bottom loading nozzle screens 60 mesh or finer? Are drop tubes used for overhead loading of refuelers?

Storage tank sumps & Filter vessel sumps: Are white bucket tests done? Check differential pressure under normal flow conditions?

Is condition of ground reels, cables and clamps satisfactory?

Do personnel performing inspections & tests exhibit appropriate knowledge? Are safety procedures followed?

Add signature