Aircraft Cabin Interior Repair

Course code: TECH-030 (Stage I)

Course duration: 5 Days

All EFC courses comply with SAE-CACRC, FAA, CAA and EASA standards.

This is a Training 'level 2-3' Aircraft Cabin interior repair course, how  to repair cabin interior composite parts and installing and removing fasteners. It is designed to meet the requirements of a wide range of participants / technicians from beginner to intermediate technician who want to have a better understanding in repair of aircraft cabin interior composite parts.

Advised Pre-requisites
The TECH-001 course is an advised  prerequisite for the TECH-030 Aircraft Interior Repair course. 

Personnel of technical departments having non or basic experience  in repair off Fiber Reinforced Composites and wanting to gain a better understanding of cabin interior composite part repair and the materials and  processes used.

Number of participants: Minimum required 4 and Maximum 8 per course*.
* Courses will be confirmed as running by EFC as soon as sufficient applications are received! 

To provide participants with theoretical knowledge and practical Hands-On skills necessary to carry out basic fabrication and repair.

At the end of the course the participants:

  • Must be able to work independently with minimum supervision
  • Must be attentive to details
  • Can work according to Safety regulations and recognize hazardous situations & materials
  • Can work with the OEM manuals for interior parts
  • Knows material properties and is familiar with "Handling & Storage" of frozen materials
  • Knows how work with dry glass fabric and liquid Epoxy resin to impregnate wet in wet (Wet Lay-Up)
  • Can apply damage assessment plan work and work as planned
  • Can find steps of repair to be taken in the Aircraft type related OEM manuals for interior parts
  • Can apply fundamental vacuum bagging, bleeder & breather concepts
  • Can repair  Glass fibre single/double curved panels with Nomex® honeycomb and foam core
  • Performs basic 'Wet Lay Up' cosmetic repairs in sanwhich panels  from the inside to outside
  • Can apply Tedlar and wall paper
  • Must be able to understand criteria as written in the SAE- CACRC AIR 4938 and Composite Glossary document.

Course Content Theory  (Level 1-2)

  • Health and Safety (MSDS)
  • Composite interior repair of laminates and honeycomb sandwich panel with thin skins 
  • Materials: Dry fiber cloth and weave styles, wet resin impregnation and squeeze out, adhesives, potting compounds and honeycomb core types and density
  • Fundamentals of fabrication: dry cloth and pre-preg handling, ply orientation, layup procedures, vacuum bagging techniques
  • Introduction and use  of OEM manuals per Aircraft type for cabin Interior  parts repair
  • Resin, adhesive systems: thermosets vs. mix ratios, viscosity, service temperature limits, cold storage requirements / shelf life limits, pot life, etc.
  • Material Data Sheet (MDS) reading to determine Open time, Shelf life, and material Cure cycles 
  • Composite awareness & reporting damage incidents
  • Minor Damage assessment, dents scratches and others 
  • Sanding techniques for thin laminate skins, scarf angels, repairs
  • Installing & removing installed fasteners like treadhed inserst, bushings
  • Installing heli-coil threaded inserts 
  • Upholstery of interior parts* (* Can be added on request)

Workshop exercises: (Level 1-2)

Participants will be intensively monitored while fabricating reinforced fiber laminates from sandwich parts Glass Fiber prep-preg and dry fiber material using various ply lay-Up directions. Lay-Up of vacuum materials and perform vacuum leak checking and curing.

  • Damage assessment and reporting
  • Determine ply directions in Glass, fiber laminates by sanding. 
  • Damage removal, scarf preparation for repair using a Wet Lay-Up and pre-preg repair process. 
  • Introduction to oven and Hot Bond repair consoles and their equipment.
  • Performs basic 'Wet Lay Up' cosmetic repairs in sanwhich panels  from the inside to outsid
  • Can apply Tedlar and wall paper
  • Can cut carpetting and aply seems on it by sewing
  • Repair Gargonets if applicable
  • Can adjust cabin seat cilindersto the right settings
  • Can bond ABS seat covers by dissolving technique
  • Can Install & remove fasteners like treadhed inserst, bushings
  • Can Install heli-coil threaded inserts 


  • Multiple choice questions from each of the teachings Level 2-3
  • Successful completion is 75% correct answers
  • The examination will be closed book and  can be conducted by a Part 147 approved Examiner
    on request 
  • The practical mark will be the average of all marks gained from the practical exercises
    Assessment activities are built into our courses, to give feedback on the achievement and personal potential and kept record in a personal logbook per student.  
  • All grades will be recorded in the participant individual training records and kept on record at EFC for unlimited time (compliant with Reference EASA Commission Regulation (EU) No 1321/2014)
  • A certifcate of accomplishment is handed out to each participant.

Note for companies only:

  • If required, our Training courses can be tailored made to meet your specific needs. 
  • Course dates as noted on our course schedule can be adjusted on request to meet your required starting date.

This course can also be held at our facility in, Bicester, UK at the Bicester Banbury College. 
Minimum participants: 2 and max. 8. See our course schedule
Contact our purchasing manager Rolf Hovener via email at  or

Request for 'On-Site' Training
This course can be requested for an 'On-Site' training at your company under certain "Terms & Conditions"

For information & requirements, contact our business & purchasing manager Rolf Hovener via e-mail at or Owner / Founder Bert Groenewoud via e-mail at

Course Pricing
All listed course prices are Excl VAT. (Dutch VAT is 21%). EFC complies with Dutch tax laws. On request, companies can be sent an invoice instead of paying direct on-line with PayPal, IDEAL or credit card.