Airworthiness directives › 2017-02-03
AD 2017-02-03 Airworthiness Directives; The Boeing Company Airplanes
Models named: 767-200, -300, -400ER series. 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, -300, and -400ER series airplanes, certificated in any category, as identified in Boeing Alert Service Bulletin 767-38A0073, Revision 2, dated August 10, 2015.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
For Groups and Configurations as identified in Boeing Alert Service Bulletin 767-38A0073, Revision 2, dated August 10, 2015, as applicable: At the applicable times identified in paragraph 1.E., “Compliance,” of Boeing Alert Service Bulletin 767-38A0073, Revision 2, dated August 10, 2015, except as required by paragraph (h) of this AD, do the actions specified in paragraphs (g)(1) and (g)(2) of this AD, as applicable. (1) Do a general visual inspection for plastic potable water couplings; do all applicable related investigative and corrective actions; and install new spray shrouds, including a new hose assembly, as applicable; in accordance with the Accomplishment Instructions of Boeing Alert Service Bulletin 767-38A0073, Revision 2, dated August 10, 2015. Do all applicable related investigative and corrective actions within the applicable compliance time identified in paragraph 1.E., “Compliance,” of Boeing Alert Service Bulletin 767-38A0073, Revision 2, dated August 10, 2015, except as required by paragraph (h) of this AD. (2) Within 72 months after the effective date of this AD, do a general visual inspection of the spray shield to determine if it has two slits and is installed correctly, and before further flight, do all applicable related investigative and corrective actions, in accordance with the Accomplishment Instructions of Boeing Alert Service Bulletin 767-38A0073, Revision 2, dated August 10, 2015. Note 1 to paragraph (g) of this AD: Operators can take optional protective measures to cover or shield their equipment against water spray when performing the Potable Water System Leakage Test, as specified in Boeing Alert Service Bulletin 767-38A0073, Revision 2, dated August 10, 2015.
Unsafe condition
This AD was prompted by a report of a malfunction of the engine indication and crew alerting system (EICAS) during flight. We are issuing this AD to prevent an uncontrolled water leak from a defective potable water system coupling, which could cause the main equipment center (MEC) line replaceable units (LRUs) to become wet, resulting in an electrical short and potential loss of several functions essential for safe flight.
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