Airworthiness Directive · Amendment 39-14580 · Boeing Model 767 Airplanes
Boeing Model 767 Airplanes
This AD applies to all Boeing Model 767-200, -300, -300F, and -400ER series airplanes, certificated in any category.
The FAA is adopting a new airworthiness directive (AD) for all Boeing Model 767 airplanes. This AD requires repetitive inspections for cracking in the skin, the bulkhead outer chord, and the strap of the bulkhead outer chord at station (STA) 1725.5; and repair if necessary. This AD also provides for repairs, which are optional for airplanes on which no cracking is found, that terminate certain inspections. This AD results from reports of cracking in the skin panel common to stringer 7R and aft of the STA 1725.5 butt splice, and in the strap of the bulkhead outer chord at STA 1725.5. We are issuing this AD to detect and correct cracking in the skin, the bulkhead outer chord, or the strap of the bulkhead outer chord in this area, which could progress into surrounding areas and result in reduced structural integrity of the support structure for the vertical or horizontal stabilizer and subsequent loss of control of the airplane.
You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done.
Perform repetitive detailed and high frequency eddy current inspections for cracking in the skin, the bulkhead outer chord, and the strap of the bulkhead outer chord at STA 1725.5, in accordance with the Accomplishment Instructions of Boeing Special Attention Service Bulletin 767-53-0118, dated September 8, 2005. Do the initial and repetitive Part 1 and Part 2 inspections at the times specified in paragraph 1.E., Compliance, of the service bulletin; except, where the service bulletin specifies a compliance time after the issuance of the service bulletin, this AD requires compliance within the specified compliance time after the effective date of this AD.
If any cracking is found during any inspection required by paragraph (f) of this AD: Before further flight, perform applicable repairs in accordance with the Accomplishment Instructions of Boeing Special Attention Service Bulletin 767-53-0118, dated September 8, 2005; except, where the service bulletin specifies to contact Boeing for repair instructions, before further flight, repair the cracking using a method approved in accordance with the procedures specified in paragraph (i) of this AD.
Completing repairs specified in the Accomplishment Instructions of Boeing Special Attention Service Bulletin 767-53-0118, dated September 8, 2005, terminates the repetitive inspections required by paragraph (f) of this AD, as specified in paragraphs (h)(1) and (h)(2) of this AD.
(1) Completing repairs specified in paragraph 3.B.3.a. of the service bulletin terminates both the Part 1 and Part 2 inspections required by paragraph (f) of this AD.
(2) Completing repairs specified in paragraph 3.B.4.a. of the service bulletin terminates the Part 1 inspections required by paragraph (f) of this AD. Part 2 inspections must continue as required by paragraph (f) of this AD until the repairs specified in paragraph 3.B.3.a. of the service bulletin are completed.
