AD 2016-11-07

final rule
Data completeness: 70%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2016-11-07
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2015-8130
FR Citation
81 FR 36449

Applicability

TypeManufacturerModelDetails
aircraft Boeing Company Airworthiness Directives; The Boeing Company Airplanes

Unsafe Condition

Blocked drain lines at the engine forward strut causing flammable fluid to accumulate in a flammable leakage zone.

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Required Actions

Clean certain forward strut drain lines; install new forward strut drain lines and insulation blankets; perform a leak check of the forward strut drain lines; repair any leaks found; revise the maintenance or inspection program to incorporate a specific airworthiness limitation.

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Compliance Time

Before further flight

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Affected Aircraft

The Boeing Company Model 777-200 and -300 series airplanes equipped with Pratt and Whitney engines, as identified in Boeing Special Attention Service Bulletin 777-71-0055, Revision 1, dated April 15, 2015.

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Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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