AD 86-11-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | TU206G | Airworthiness Directives; Cessna Model U2O6G and TU206G Airplanes |
| aircraft | Cessna Aircraft Company | U206G | Airworthiness Directives; Cessna Model U2O6G and TU206G Airplanes |
Unsafe Condition
Loss of in-flight engine restart capability and erroneous navigation displays to the pilot due to voltage regulator and electrical system issues.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the voltage regulator per Soloy S/B 04-763 within 100 hours time-in-service. Modify electrical system circuit breaker installation per Soloy S/B 02-763 for specified serial numbers within 200 hours TIS. Use equivalent methods if approved by FAA.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 100 hours time-in-service (TIS) after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Cessna Model U206G and TU206G airplanes modified with Soloy Turbine Pac installations under STC SA2353NM, specifically listed serial numbers with corresponding Soloy data plate numbers.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
STC SA2353NM - Voltage Regulator and Electrical System
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_86-11-07.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 86-11-07 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Cessna Model U2O6G and TU206G Airplanes Subject: STC SA2353NM - Voltage Regulator and Electrical System Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/04/1986 Make: Cessna Aircraft Company Model: TU206G | U206G Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 86-11-07 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5324 AD NUMBER: 86-11-07 SUBJECT HEADING: Airworthiness Directives; Cessna Model U2O6G and TU206G Airplanes ACTION: SUMMARY: DATES: Effective July 4, 1986. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 86-11-07 CESSNA: Amendment 39-5324. Applies to the following Model U2O6G and TU206G airplanes modified with Soloy Turbine Pac installations in accordance with Supplemental Type Certificate (STC) number SA2353NM: CESSNA SERIAL NUMBER SOLOY DATA PLATE NUMBER U20603989 763-013 U20604266 763-001 U20604287 763-003 U20604881 763-014 U20605232 763-005 U20605567 763-002 U20605584 763-015 U20605745 763-008 U20605936 763-006 U20606065 763-007 U20606227 763-004 U20606381 763-011 U20606628 763-010 U20606768 763-012 U20606816 763-009 Compliance: Required as indicated in the body of the AD unless previously accomplished. To preclude loss of the in-flight engine restart capability and to correct a condition that could cause erroneous navigation displays to the pilot, accomplish the following: (a) For the above listed airplanes modified by Soloy STC SA2353NM, within the next 100 hours time-in-service (TIS) after the effective date of this AD, remove and replace the voltage regulator in accordance with the instructions contained in Soloy Service Bulletin (S/B) 04-763 dated March 29, 1985. (b) For serial numbered airplanes U20604266, U20604287, U20605232, U20605567, U20605745, U20605936, U20606065, and U20606227 modified with Soloy STC SA2353NM, within the next 200 hours TIS after the effective date of this AD, modify the electrical system circuit breaker installation in accordance with the instructions contained in Soloy S/B No. 02-763 dated January 7, 1985. (c) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished. (d) An equivalent method of compliance with this AD may be used if approved by the Manager, Seattle Aircraft Certification Office, Federal Aviation Administration, Northwest Mountain Region, 17900 Pacific Highway South, C-68966, Seattle, Washington 98168. All persons affected by this directive may obtain copies of the document referred to herein upon request to Soloy Conversions, LTD., 450 Pat Kennedy Way, S.W., Olympia, Washington 98502 or FAA, Office of the Regional Counsel, Room 1558, 601 East 12th Street, Kansas City, Missouri 64106. This amendment becomes effective on July 4, 1986. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_86-11-07.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 86-11-07 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Cessna Model U2O6G and TU206G Airplanes Subject: STC SA2353NM - Voltage Regulator and Electrical System Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/04/1986 Make: Cessna Aircraft Company Model: TU206G | U206G Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 86-11-07 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5324 AD NUMBER: 86-11-07 SUBJECT HEADING: Airworthiness Directives; Cessna Model U2O6G and TU206G Airplanes ACTION: SUMMARY: DATES: Effective July 4, 1986. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 86-11-07 CESSNA: Amendment 39-5324. Applies to the following Model U2O6G and TU206G airplanes modified with Soloy Turbine Pac installations in accordance with Supplemental Type Certificate (STC) number SA2353NM: CESSNA SERIAL NUMBER SOLOY DATA PLATE NUMBER U20603989 763-013 U20604266 763-001 U20604287 763-003 U20604881 763-014 U20605232 763-005 U20605567 763-002 U20605584 763-015 U20605745 763-008 U20605936 763-006 U20606065 763-007 U20606227 763-004 U20606381 763-011 U20606628 763-010 U20606768 763-012 U20606816 763-009 Compliance: Required as indicated in the body of the AD unless previously accomplished. To preclude loss of the in-flight engine restart capability and to correct a condition that could cause erroneous navigation displays to the pilot, accomplish the following: (a) For the above listed airplanes modified by Soloy STC SA2353NM, within the next 100 hours time-in-service (TIS) after the effective date of this AD, remove and replace the voltage regulator in accordance with the instructions contained in Soloy Service Bulletin (S/B) 04-763 dated March 29, 1985. (b) For serial numbered airplanes U20604266, U20604287, U20605232, U20605567, U20605745, U20605936, U20606065, and U20606227 modified with Soloy STC SA2353NM, within the next 200 hours TIS after the effective date of this AD, modify the electrical system circuit breaker installation in accordance with the instructions contained in Soloy S/B No. 02-763 dated January 7, 1985. (c) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished. (d) An equivalent method of compliance with this AD may be used if approved by the Manager, Seattle Aircraft Certification Office, Federal Aviation Administration, Northwest Mountain Region, 17900 Pacific Highway South, C-68966, Seattle, Washington 98168. All persons affected by this directive may obtain copies of the document referred to herein upon request to Soloy Conversions, LTD., 450 Pat Kennedy Way, S.W., Olympia, Washington 98502 or FAA, Office of the Regional Counsel, Room 1558, 601 East 12th Street, Kansas City, Missouri 64106. This amendment becomes effective on July 4, 1986. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.