2141 ICON Way, Vacaville, CA 95688
‐
Tel: 707.564.4000
SERVICE LETTER
SL-042820 REV A
ICA009717-E
PAGE 2 of 9
affected serial numbers comply. This optional maintenance action is available under the ICON A5 limited
warranty, if applicable.
WARRANTY:
ICON Service Providers: Please submit an invoice for warranty reimbursement for labor and parts on
completion of this Service Letter. Reference service letter number SL-020520. Estimated labor hours:
1.
3-man hours of labor for disassembly, inspection, installation of hardware, and reassembly.
2.
2-man hours of labor for removal and replacement of all 8 seawing studs.
PARTS LIST:
PART
DESCRIPTION
QTY
KIT PART
NUMBER
Isopropyl Alcohol
TT-I-735A, or Equivalent
A/N
N/A
EA9394
Adhesive, Epoxy Paste, Hysol
1 Ea.
(50 mL cartridge)
ME001057-A
Kit, seawing tip
Sealing
SS-M4-RB23-4.75X13MM**
Stud, Non-Threaded W/Base, Cres, .1875x.500
8 Ea.
**ME001033
(ALT. PN)
Prepared Seawing Stud (Grit blasted base)
ICA013211
Wax, Carnauba
11 Oz.
(1 Container)
AC-251
Sealant, Aerospace, Black Class B, B-1/2
3 Ea.
(3.5 oz cartridge)
INSTRUCTIONS:
Remove seawing tip:
1.
Remove the bolt securing the Seawing tip to the Seawing. Retain hardware for re-installation.
2.
Remove the Seawing tip from the Seawing by applying pressure in the aft direction and rotating
up and away from the bottom Seawing skin. If necessary, use plastic soft scrapers to loosen
sealant.
3.
Remove the sealant by peeling away from the Seawing skin or tip.
4.
Clean Seawing tip and Seawing skin with isopropyl alcohol. Allow to dry completely prior to
proceeding with re-installation.
Inspect seawing tip studs:
1.
Inspect 8 Ea (2 Ea forward and aft, LH and RH) Seawing Studs and Seawing Stud Bushings.
a.
Remove and replace 8x Seawing Studs.
b.
If Bushing is loose, coming disbonded or has uneven wear on tophat, remove and replace.
c.
If there are cracks, voids, holes, or pockets in bonding, remove and replace.
Remove the affected component and re-bond in accordance with the following instructions.
