Airworthiness directives › 2015-04-07
AD 2015-04-07 Airworthiness Directives; The Boeing Company Airplanes
Models named: 767-200, -300 series, JT9D or PW4000. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to The Boeing Company Model 767-200 and -300 series airplanes, certificated in any category, equipped with Pratt & Whitney Model JT9D or PW4000 engines, as identified in Boeing Alert Service Bulletin 767-29A0115, dated May 22, 2013.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 48 months after the effective date of this AD, do a detailed inspection for damage of the wiring bundles in the left engine's strut, and all applicable corrective actions; and install new wire support brackets and bundle clamps; in accordance with the Accomplishment Instructions of Boeing Alert Service Bulletin 767-29A0115, dated May 22, 2013. Do all applicable corrective actions before further flight. Note 1 to paragraph (g) of this AD: The illustration in Figure 2 of Boeing Alert Service Bulletin 767-29A0115, dated May 22, 2013, shows four wire bundles, but the text in Figure 2 correctly identifies three wire bundles to be inspected. Following the text in Figure 2 will result in accomplishment of the appropriate actions; no approval of an alternative method of compliance (AMOC) is needed to address this issue.
Unsafe condition
This AD was prompted by a report of several cases of low hydraulic pressure or loss of electrical power to the alternating current motor pump (ACMP) on the left engine. We are issuing this AD to detect and correct chafed wire bundles due to rubbing against structure or a hydraulic piping elbow, which could result in electrical arcing in a flammable fluid leakage zone, and provide a possible ignition source for fuel vapors and hydraulic fluids. Ignited fuel vapors or hydraulic fluid in an area without a fire detection or suppression system could result in an uncontained engine strut fire and structural damage to the engine strut.
Affected ADs
None.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1