Fuel Systems
Fuel Leak & Tank Repairs
Mobile fuel leak detection and repair for integral wet-wing tanks, bladder tanks, and rigid fuel cells. We come to your hangar, identify the leak source, classify the severity, and reseal the tank in accordance with the airframe manufacturer's structural repair manual and AC 43.13.
Section 01
Capabilities
01
Leak Detection & Classification
Visual, dye, and pressure-decay leak detection with proper classification — stain, seep, heavy seep, or running leak — to scope the repair correctly.
02
Integral Wet-Wing Resealing
Removal of failed sealant, surface preparation, and resealing of integral fuel tanks using approved polysulfide sealants and cure-controlled procedures.
03
Bladder & Cell Repair
Removal, patching, and reinstallation of bladder fuel cells, including fitting and fastener resealing, leak testing, and return to service.
Section 02
Scope of repair
- Fuel leak source identification and classification
- Integral wet-wing tank resealing
- Access panel and fastener resealing
- Bladder fuel cell removal, repair, and reinstallation
- Fuel cap, drain, and vent component sealing
- Pressure-decay and dye leak testing
- Sealant cure control and post-repair inspection
- Documented repair entry for the aircraft logbook
Section 03
Repair process
Step 01
Inspection
On-site leak inspection, source identification, and severity classification.
Step 02
Defuel & Purge
Coordinated defueling and tank purging to make the work area safe to enter.
Step 03
Reseal
Removal of failed sealant, surface prep, and application of approved fuel-tank sealant.
Step 04
Test & Return
Cure, leak test, refuel, and documented return-to-service entry.
Ready to start a repair case?
Send a few photographs and a short description. We will respond with an initial assessment within one business day.
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