# N3XG: 2004 Helming Larry R RV-7

- Status: Valid registration
- Airframe: [Helming Larry R RV-7](https://openairdocs.org/model/helming-larry-r-rv-7) (registry code 056171U, 2 seats)
- Engine: [Mattituck TMX IO-360](https://openairdocs.org/engine/mattituck-tmx-io-360) (registry code 59608)
- Serial number: 70047
- Year built: 2004
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Vans Aircraft Inc RV-7
- Airworthiness: Experimental, amateur built
- Airworthiness date: March 23, 2016
- Certificate issued: November 3, 2014
- Expires: November 30, 2027
- Mode S code: A31CB4
- Registered owners: [Birchler Boyd C](https://openairdocs.org/faa-owner/BIRCHLER%20BOYD%20C), [Birchler Judy A](https://openairdocs.org/faa-owner/BIRCHLER%20JUDY%20A)
- Location: [Indianapolis, IN](https://openairdocs.org/faa-place/IN/Indianapolis)
- Owner type: Co-owned
- Owner's area on the map: 39.8966° N, 85.9682° W: Placed by OpenAirDocs at the center of ZIP code 46236, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3XG
- Page: https://openairdocs.org/aircraft/N3XG

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Helming Larry R RV-7)

None in force.

### Matched by engine (Mattituck TMX IO-360)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N3XG.

## FAA accident and incident reports

None matched to N3XG.

## Service difficulty reports (1)

As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 2012FA0000802](https://openairdocs.org/sdr/2012FA0000802), Nov 20, 2012: SCREW. LOOSE. FUEL PRESSURE READING DROPPED BELOW .5 PSI CAUSING ENGINE MONITOR TO ISSUE WARNING AFTER 550 HOURS OPERATION ON FUEL PUMP. UPON CHECKING FUEL PUMP, FOUND SCREWS

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Helming Larry R RV-7 aircraft: https://openairdocs.org/model/helming-larry-r-rv-7/aircraft.md
- The Mattituck TMX IO-360 engine: https://openairdocs.org/engine/mattituck-tmx-io-360.md

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