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FAA orders · airworthiness directive · current

49-06-02: Attachment Bolts

FAA order 49-06-02 is an airworthiness directive. The FAA's subject line: Attachment Bolts. System: other and general.

What it applies to as the FAA lists it

Kind of product
Aircraft
Makes
The Boeing Company
Models
DC-6, DC-6A, DC-6B

Dates and paperwork

Docket
Unknown
Status
Current
The FAA's document
Read the order on the FAA's site

The order itself the regulatory text, as published

Show the full text (881 characters)
49-06-02\tDOUGLAS: Applies to DC-6 Aircraft. \n\n\tTo be accomplished at every 8,000 hours of total flight time.\n \n\tReplace the following attachment bolts: (1) fuselage to center wing, (2) outer wing to center wing, (3) vertical stabilizer to fuselage, (4) horizontal stabilizer to fuselage and, (5) engine mount to firewall. The 8,000-hour period may be extended to 16,000 hours when studs 2325933 or 2340697, 2353832, 4329243 and 4333164 are replaced with studs 2361992, 2361993, 4361995 and 4361994, respectively, having letter "R" stamped on thread end and bolts in all other attachments listed are placed with NAS bolts with threads rolled after heat treatment. Bolts and studs removed from the airplane are to be scrapped and are not to be used again. \n\n\t(Douglas Service Bulletin DC-6 No. 410 contains a list of all studs and bolts affected and their replacements.)

Source: FAA Dynamic Regulatory System, airworthiness directives. The FAA's document is the authority; the register counts are this site's, from the FAA register of November 6, 2026. Connections as data: /graph/directive/49-06-02.json · aircraft systems.