Airworthiness Directive · Amendment 39-18782 · Water/waste
The Boeing Company Airplanes
Superseded. A later AD replaced this one: AD 2018-01-02. Comply with the one in force.
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.
We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 767-200, -300, and -400ER series airplanes. This AD was prompted by a report of a malfunction of the engine indication and crew alerting system (EICAS) during flight. This AD requires, for certain airplanes, a general visual inspection of the spray shield, and related investigative and corrective actions if necessary. We are issuing this AD to address the unsafe condition on these products.
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.
Where paragraph 1.E., “Compliance,” of Boeing Alert Service Bulletin 767-38A0073, Revision 2, dated August 10, 2015, specifies a compliance time “after the original issue date of this service bulletin,” this AD requires compliance within the specified compliance time after the effective date of this AD.
Boeing Alert Service Bulletin 767-38A0073, Revision 3, dated September 8, 2016, is acceptable for compliance with the requirements of paragraph (g) of this AD, as applicable to the Groups and Configurations as identified in Boeing Alert Service Bulletin 767-38A0073, Revision 3, dated September 8, 2016.