AD 2011-15-03

Recurring final rule
Data completeness: 70%

Airworthiness Directives; The Boeing Company Model 747 Airplanes

AD Number
2011-15-03
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2010-1158
FR Citation
76 FR 41659

Applicability

TypeManufacturerModelDetails
aircraft Boeing Company Model 747 Airworthiness Directives; The Boeing Company Model 747 Airplanes

Unsafe Condition

Excessive chafing of the Teflon sleeving and wires in the bundles of the fuel boost pumps for the numbers 1 and 4 main fuel tanks and of the auxiliary tank jettison pumps (if installed) continues to occur much earlier than expected between scheduled inspections.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Inspect the sleeving and wire bundles of the boost pumps of the numbers 1 and 4 main fuel tanks, and of the auxiliary tank jettison pumps (if installed), to detect damage. Replace any damaged sleeving with new sleeving. Repair or replace any damaged wires with new wires. For airplanes on which any burned wires are found, inspect the conduit for damage and replace any damaged conduit with a serviceable conduit.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 12 months of the effective date of this AD.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

The Boeing Company Model 747-100, -100B, -100B SUD, -200B, -200C, -200F, -300, -400, -400D, -400F, 747SR, and 747SP series airplanes, certificated in any category.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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View Official Source ↗ Find More ADs for Boeing Company Model 747

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