Airworthiness Directive · Amendment 39-14223 · Boeing Model 777-200 and -300 Series Airplanes
Boeing Model 777-200 and -300 Series Airplanes
This AD applies to Boeing Model 777-200 and -300 series airplanes, certificated in any category; as identified in Boeing Special Attention Service Bulletin 777-28-0033, dated August 14, 2003.
The FAA is adopting a new airworthiness directive (AD) for certain Boeing Model 777-200 and -300 series airplanes. This AD requires inspecting the valve control and indication wire bundles of the fuel system of the wing rear spar for discrepancies, and corrective action if necessary. This AD is prompted by reports of six incidents of the wire bundles chafing against the rear spar stiffeners outside the fuel tank. We are issuing this AD to prevent this chafing, which could result in wire damage leading to a short circuit, subsequent ignition of flammable vapors, and possible uncontrollable fire during fueling or flight.
You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done.
Within 18 months after the effective date of this AD: Do a detailed inspection of the valve control and indication wire bundles of the fuel system of the wing rear spar for discrepancies (including any applicable corrective action), by doing all the actions specified in the Accomplishment Instructions of Boeing Special Attention Service Bulletin 777-28-0033, dated August 14, 2003. Any applicable corrective action must be done before further flight. Part number (P/N) BACC10GU105P, shown in the part list table of Kit 005W3225 and in the step tables in Figures 3 and 4 of the Accomplishment Instructions of the service bulletin, is not a valid P/N; the correct P/N that must be used is P/N BACC10JU105P.
Note 1: For the purposes of this AD, a detailed inspection is: “An intensive examination of a specific item, installation, or assembly to detect damage, failure, or irregularity. Available lighting is normally supplemented with a direct source of good lighting at an intensity deemed appropriate. Inspection aids such as mirror, magnifying lenses, etc., may be necessary. Surface cleaning and elaborate procedures may be required.”
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
Aircraft
