SERVICE BULLETIN - ICON Aircraft

Full document text

2141 ICON Way, Suite 100, Vacaville, CA 95688 ‐ Tel: 707.564.4000 – www.iconaircraft.com SERVICE BULLETIN SB-021425-B FORM ICA009718-H PAGE 1 of 7 ID NUMBER & REVISION: SB-021425-B SUBJECT: (Mandatory) ELT Antenna Cracking RELEASE DATE: 07 April 2025 EFFECTIVE DATE: 07 April 2025 SUPERSEDES NOTICE: SB-021425-A AIRCRAFT AFFECTED: MAKE & MODEL: ICON A5 SERIAL NUMBERS: 00001, 00003-00224 REQUIRED ACTION: Inspect for signs of damage to the base and/or whip of the ELT antenna. The inspection portion of this Service Bulletin is mandatory. If damage is identified, replace the antenna with the RAMI AV-300 Rod Antenna. TIME OF COMPLIANCE: Initial Inspection: Within 40 flight hours, or at next condition (100- hr/annual) inspection, whichever comes first. Recurring Inspection: At each condition inspection, until repair is completed. REVISION HISTORY: A B Initial Release “PARTS AND CONSUMABLES: was: NAS1515-H3L is: NAS1515H3L “If Repair was NOT completed:” was: SB-021425-A is: SB-021425-A or SB-021425-B “If Repair was completed:” was: SB-021425-A is: SB-021425-B LEVEL OF CERTIFICATION REQUIRED (any level checked can perform task): ☐ Pilot/Owner ☒ A & P ☐ LSA Repairman – Inspection ☒ Certified Repair Station ☒ LSA Repairman – Maintenance ☒ Manufacturer PURPOSE: ICON has received reports of cracked or broken ELT antennas. Damage may be isolated to the base of the antenna or may result in departure of a portion of the antenna whip, which may cause damage to the propeller and/or fuselage. Additionally, damage or loss of the whip may inhibit emergency location transmission. ICON has identified a suitable replacement antenna, the RAMI AV-300 Rod Antenna. It is recommended to install this antenna at the next suitable service opportunity, but no later than the identification of any sign of damage. Until the antenna is replaced, regular inspections are required to support informed decision-making. WARRANTY INFORMATION: • For aircraft that are currently within their warranty period (1 year from transfer of ownership), ICON will cover the contents of this Mandatory Service Bulletin in its entirety as long as all aspects of the Service Bulletin are adhered to during the aircraft warranty period. Failure to adhere to the entirety of the Service Bulletin can and likely will lead to owner-incurred costs. Please note that completion of the repair does not extend the warranty period. 2141 ICON Way, Suite 100, Vacaville, CA 95688 ‐ Tel: 707.564.4000 – www.iconaircraft.com SERVICE BULLETIN SB-021425-B FORM ICA009718-H PAGE 2 of 7 • For aircraft outside their warranty period, ICON will cover the Mandatory Inspection portion of this Service Bulletin, limited to the initial inspection. • Please submit an invoice for warranty reimbursement for labor upon completion, referencing Service Bulletin number SB-021425-A. o Inspection: 1 Labor Hours o Repair: 3 Labor Hours PARTS AND CONSUMABLES: If Repair is not required: PART NUMBER DESCRIPTION QUANTITY ALTERNATE PART NUMBER DESCRIPTION MS35333-78 WASHER, LOCK, INTERNAL STAR, 1/2 1 If Repair is required: PART NUMBER DESCRIPTION QUANTITY ALTERNATE PART NUMBER DESCRIPTION ICA016244 ANTENNA, ELT, FIBERGLASS ROD, RAMI AV-300 1 ICA016246 GROUND PLANE, ELT AV-300 ANTENNA, 11.0 & 3.125 2 ICA016247 GROUND PLANE, ELT AV-300 ANTENNA, 11.0 2 10F62MTF3/100 SCREW, MACH FLH, 6LOBE, 10- 32X.625, CRES 3 MS21043-3 NUT, SLFLKG, RDC HEX, CRES, 10-32 3 NAS1515H3L WASHER, NYLON PLASTIC, NUMBER 10 SCREW SIZE 3 NAS1149C0332R WASHER, FLAT, CRES, .203X.032, PSVT 3 CB200 ADHESIVE, ACRYLIC STRUCTURAL, 2 PART, CLICK BOND, 3.5 GRAM PACKET As Needed (2-3 Packets) ICA012078 LUBRICANT, GENERAL PURPOSE As Needed ICA012218 ADHESIVE SEALANT, WHITE As Needed ICA012983 GREASE, DIELECTRIC, DC4 As Needed ICA013211 WAX, CARNAUBA As Needed Or Equivalent TT-I-735A ISOPROPYL ALCOHOL As Needed Or Equivalent 2141 ICON Way, Suite 100, Vacaville, CA 95688 ‐ Tel: 707.564.4000 – www.iconaircraft.com SERVICE BULLETIN SB-021425-B FORM ICA009718-H PAGE 3 of 7 INSPECTION INSTRUCTIONS: 1. Remove the Top Engine Cowl in accordance with the Aircraft Maintenance Manual, task 100497. 2. Remove the ELT Antenna in accordance with the Aircraft Maintenance Manual, task 100141. a. Discard the star washer. 3. Inspect the Cowl around the ELT Antenna connector hole. If any cracks or damage are found on the Cowl, stop and contact ICON. 4. Inspect the entire ELT Antenna, including the plastic base and the wire whip, for any cracks or signs of damage, including corrosion. Cracks at the base of the Antenna may or may not be visible from the side. a. If any damage is found, proceed to Repair Instructions. Figure 1. Examples of Cracks in Antenna Base 5. If no damage is found, reinstall Antenna (with a new star washer MS35333-78) in accordance with the Aircraft Maintenance Manual, task 100141. a. To prevent damage, use only water or a mild soap solution to clean the plastic portion of the Antenna. Refer to ACK Maintenance Advisory MA E-04.2 for more information. 2141 ICON Way, Suite 100, Vacaville, CA 95688 ‐ Tel: 707.564.4000 – www.iconaircraft.com SERVICE BULLETIN SB-021425-B FORM ICA009718-H PAGE 4 of 7 REPAIR INSTRUCTIONS: 1. Remove the Top Engine Cowl in accordance with the Aircraft Maintenance Manual, task 100497. 2. Remove the ELT Antenna and grounding wires from the Cowl in accordance with the Aircraft Maintenance Manual, task 100141. 3. Add antenna mounting holes in Cowl: a. Using the template provided at the end of this document in Figure 4, center the template and transfer (3) new mounting holes (.219” +.006” / -.010”). Use a grinder/Dremel to enlarge the coax connector pass through hole to .875”, keeping the hole as far forward as possible (as shown). b. After printing the template, measure the 3.25 and 1.375 dimensions to verify the template was printed to scale. 4. Installation of Ground Plane: