AD 49-45-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Kelowna Flightcraft R & D Ltd. | 240 Series | CONVAIR Model 240 Aircraft |
Unsafe Condition
The reverse lock solenoid linkage may not operate properly due to insufficient load on the first throttle reverse detent and an outdated armature design.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Rerig the reverse lock solenoid linkage per Convair Service Bulletin No. 240-273, verify the first throttle reverse detent load is 15 +3, -0 pounds, and replace the armature with P/N West Coast Electric Co. No. 35-31-C-3AS.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
not later than the next engine change
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
All Model 240 Aircraft equipped with Curtiss Propellers.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Reverse Lock Solenoid Linkage
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_49-45-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 49-45-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: CONVAIR Model 240 Aircraft Subject: Reverse Lock Solenoid Linkage Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Kelowna Flightcraft R & D Ltd. Model: 240 Series Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 49-45-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 49-45-02 SUBJECT HEADING: CONVAIR Model 240 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 49-45-02 CONVAIR: Applies to All Model 240 Aircraft Equipped With Curtiss Propellers. Compliance required not later than the next engine change. The following must be accomplished to insure proper operation of the throttle reverse stop override installation: 1. Rerig the reverse lock solenoid linkage, reworking and replacing parts of the linkage as shown on Figure 1, Sheets 1 and 2, of Convair Service Bulletin No. 240-273. 2. Determine that the load on the first throttle reverse detent is 15 +3, -0 pounds. 3. Remove the armature (P/N West Coast Electric Co. No. 35-31-C-3A) in the reverse throttle lock solenoid and install a new armature (P/N West Coast Electric Co. No. 35-31- C-3AS). The new armature has the letter "S" stamped on that end of the armature that has two threaded holes. (The above items are also covered by Convair Service Bulletin No. 240-273.) FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_49-45-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 49-45-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: CONVAIR Model 240 Aircraft Subject: Reverse Lock Solenoid Linkage Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Kelowna Flightcraft R & D Ltd. Model: 240 Series Product Type: Aircraft Product Subtype: Large 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: 49-45-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 49-45-02 SUBJECT HEADING: CONVAIR Model 240 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 49-45-02 CONVAIR: Applies to All Model 240 Aircraft Equipped With Curtiss Propellers. Compliance required not later than the next engine change. The following must be accomplished to insure proper operation of the throttle reverse stop override installation: 1. Rerig the reverse lock solenoid linkage, reworking and replacing parts of the linkage as shown on Figure 1, Sheets 1 and 2, of Convair Service Bulletin No. 240-273. 2. Determine that the load on the first throttle reverse detent is 15 +3, -0 pounds. 3. Remove the armature (P/N West Coast Electric Co. No. 35-31-C-3A) in the reverse throttle lock solenoid and install a new armature (P/N West Coast Electric Co. No. 35-31- C-3AS). The new armature has the letter "S" stamped on that end of the armature that has two threaded holes. (The above items are also covered by Convair Service Bulletin No. 240-273.) 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.