10 Reasons To Replace Your Wing Deicing Boots

Do you need to replace your wing deicing boots? Check the list below, then see why you should choose the SMR De-Icinig System.

Condition Replacement Criteria Recommended Action
1. Foreign Object Damage (FOD) Any damage beyond allowable repair limits per manual 97-33-047 Replace Deicer
2. Surface Erosion Exposed stitch line threads or excessive leakage Replace Deicer
3. Cut, tear or rupture Cut, tear or rupture exceeding 3/4″ in length Temporary Repair Manual 97-33-047- Replace Deicer
4. Cut, tear or rupture within 1/8″ of a stitch line Cut, tear or rupture within 1/8″ of a stitch line Temporary Repair Manual 97-33-047- Replace Deicer
5. Cut, tear or rupture that extends into the fabric stitch line Cut, tear or rupture that extends into the fabric stitch line Temporary Repair Manual 97-33-047- Replace Deicer
6. De-bonding/swelling due to leaky integral fuel tank (Wet Wing) Area De-bonded or the surface swollen tubes unable to pull vacuum to flat condition Replace Deicer
7. Excessive Repairs Repairs exceeding repair limits as prescribed per maintenance manual 97-33-047 Replace Deicer
8. Pinholes in boot at leading edge Multiple pinholes on leading edge surface Replace Deicer — Ensure replacement deicer has an electrical path from conductive surface of the deicer to the aircraft wing
9. Bulge or stitch line failure Any Bulge located in inflatable area of deicer Replace Deicer
10. Improper Maintenance (Use of unauthorized additives, adhesives, waxes or polishes) Multiple surface cracks/splits Replace Deicer — Perform proper maintenance per manual 97-33-047

NOTE: Airframe manufacturer’s manuals supersede this replacement guide in any case where the two do not agree.

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