AD 49-44-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Kelowna Flightcraft R & D Ltd. | 240 Series | CONVAIR Model 240 Series Aircraft |
Unsafe Condition
Cracking of the left elevator leading edge ribs, cracking of the left elevator structure at the elevator flight tab hinge brackets, excessive wearing of the tab hinge pins, and loosening of the balance weights on the elevators and rudder could result in tail flutter or other hazardous conditions.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install revised elevator flight tab assembly CVAC P/N 240-2210401-78; reinforce left elevator leading edge ribs outboard of Station 111.6 and strengthen balance weight attachments; replace tab hinge pins and bushings with close tolerance bolts and bushings; reinforce left elevator ribs at flight tab hinge points; reinforce left elevator leading edge ribs and carry-through structure at Station 111.6 and inboard; replace 4 rivets in each inboard elevator hinge bracket with 3/16 inch close tolerance steel bolts or rivets; add 4 rivets on upper and lower surfaces between stations B.L. 50.50 and B.L. 59.50.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
not later than August 1, 1950
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
All Model 240 Series Aircraft
AI-generated summary from the source AD text. Verify against the official source before acting.
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.