f:l FormApproved /ElectronicTrad<ingNumbecOMS No. 2120-0020

MAJOR REPAIR AND AL TERA TION 212812011US Department I'or FAAUse Onl),ofTransportation (Airframe, PowerpJant, Propeller, or Appliance)FederalAviationAdminislralioo

INSTRUCTIONS: Print or type all entries. See Title 14 CFR §43.9, Part 43 Appendix B, and AC 43.9-1 (or subsequent revision thereof) forinstructions and disposition of this form. This report is required by law (49 U.S.C. §44701). Failure to report can result in a civil penalty for eachsuch violation. (49 U.S.C. §46301(a»

Nationality and Registration Mark Serial No.

1. AircraftN3129E 7AC-6726Make Model /IseriesAeronca 7AC-Conv ChamoionName (As shown on registration certificate) Address (As shown on registration certiiicete}

2. OwnerAddress RR 3 Box 24 ACity Elizabeth StateWV

Propst, John E and Barbara J Zip 26143-9319 CountryUSA

3. For FAA Use Only

~ t~ dgj~ide~e:1 ~fein iuMl been found to comply 1FfitllUte applkable aimoFti!:ilmlS Rquirnmealt!J and is hereby approved felf use 'DftiJem ~ above described airaai't, subjl=ctto conforrmry Inspection

b'ffojfSODin§43.7." ~it; 03!tlL ~ ' ~~_Date Signature of. insl <,1," '\1'/\ F<;!)O·07

-4. Type 5. Unit Identification

Repair Alteration Unit Make Model Serial No.

D [{] AIRFRAME (As described in Item 1above)

0 D POWERPLANT

D D PROPELLER

Type

D D APPLIANCE Manufacturer

6. Conformity StatementA. Agency's Name and Address B. Kind of AgencyName C William pancake .JR .f u. S. CertificatedMechanic I ManufacturerAddress RR 4 Box 218 Foreign CertificatedMechanic C. Certificate No.City Keyser StateWV Certificated RepairStation

Zip 26726 CountryUSA Certificated MaintenanceOrganization IA&P 2228906D. I certify that the repair and/or alteration made to the unit(s) identified in item 5 above and described on the reverse or attachments hereto

have been made in accordance with the requirements of Part 43 of the U.S. Federal Aviation Regulations and that the infonnationfurnished herein is true and correct to the best of my knowledge.

Extended range fuel Signature/Date of Authorized Individualper 14 CFR Part 43 0

C'''L )~ LA- PCV'< -~,OA.App.B 25 MAY 20107. Approval for Rewffl to Service

Pursuant to the authority given persons specified below, the unit identified in item 5 was inspected in the manner prescribed by theAdministrator of the Federal Aviation Administration and is [11 Approved D Rejected

FAA FIt. Standards Manufacturer Maintenance Organization I PersonsApproved by CanadianInspector Departmentof Transport

BY Other (Specify)FAA Designee Repair Station ./ Inspection Authorization

Certificate or Signatun=fDate of Authorized IndividualDesignation No.

IA2228906 C·"U.t.~~ P~'IlA. 25 MAY 2010vFAA Form 337 (10"()6)

[ -NOTICE

Weight and balance or operating limitation changes shall be entered in tne appropriate aircraft record. An alteration must becompatible with al/ previous alterations to assure continued conformity with the applicable airworthiness requirements.

§3129E 1125 May 2010

Nationalityand RegistrationMark DateInstalled valve regulated sealed lead acid non-spillable aircraft battery, Concorde part number RG-25XC FAA-PMAapproved battery.Battery mounted and secured to engine side of firewall. Battery mount fabricated from 5052 H-32 .040" thickaluminium. Battery secured to mount and firewall with double redundant clamps. Battery mount also secured with a twohole strap to tube #18 right as shown on Aeronca Owg_7-450 uSin!;:)AN-4 hardware. Battery mount also secured tolower right motor mount tube with AN 7420 clamp.Connected negative side of battery to the starter bolt (ground) with #6 cable. Connected the positive side of the batteryto the master relay battery solenoid pIn 111.;.226mounted near thebattery;andfromthe'solenoid to the starter solenoidwhich is built onto the starter. InstaDeo 14 9a. wire from the starter to the Start pushbutton'nh-the instrument panel asshown on attached N-3129E Wiring Diagram. Instrument panel and instrument coverecrunderseparate 337.All work performed lAW AC 43.13-1B par 11-31, 11-53, 11~98.,and otherre.levantsecti~n ofthl5 chapter. Wireinstallation as per AC43.13-1 B fig. 11-3, par 11-66-d-1 (conducton::hartintermittent flow)and-,e..C 43.13-1 B chart 11-3per 11-49 DC wire and circuit protection chart. All wire is MiII-@-22759_ .. '"

8. Description of Work Accomplished(If more space is required, attach additional sheets. Identify with aircraft nationafity and registration mark and date work completed.)

Instructions For Continued Airworthiness1) Installation of battery system for aircraft starter and instruments. Aircraft does not include an engine driven chargingsystem.2) Description: Sealed non-spillable battery, battery rack, master rE~laysolenoid, and interconnecting wiring.3)'Control: use panel mounted master switch and master relay battery solenoid.4} Service Information: During annuall100 hour inspection, check components and wiring for security, routing, chafing,and damage.5) Maintenance Instructions: The battery is charged using a trickJe charger with built in overcharge protection. Thebattery is sealed and only requires charging maintenance to 13.8 volts at ambient temperatures between 40 and 95degrees F. No overhaul or repair.6) Troubleshooting info: If battery operates starter slowly or does not hold a charge, replace battery. If starter does notoperate after charging, inspect wiring and components.7) Removal and Placement Info: standard practices should be followed for battery removal and replacement.8) Diagrams: See attached drawing.9) Special inspection requirements: N/A10) Application of protective Treatment: N/A11) Data: NlA12) List of Special Tools: N/A13) For commuter category aircraft: NlA14) Recommended Overhaul Period: N/A15) Airworthiness Limitation Section: No additional Airworthiness liinitations16) Revision: revisions are accomplished by sending a revised form 337 to local FSDO and waiting for acceptance.

Note: starter installation and push button wi!! be covered on a separate 337 and STC # SA10077SC respectively.Weight and balance and equipment list revised to reflect change.

END

o Additional SheetsAre Attached

FAA Form 337 (10-00)

1N4004 Diode across Solenoid~ Mast, Master Switch

~e~~ol~~nf--''''-_''---. -I

H<l1-~+·--

N-3129E Wiring Diagram

IBatteryConcordeRG 25XC

~--~ ••...----III-e--..,

5 A P Starter/"'-. "Master On" Lighto-----~'c/ 12v K-417-410

/ "\

Power Receptacleo --f)-------------4

0>------

10A/"'-.

cr-

10A

r=>.

o 0