AD 2006-16-10

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 747-200B, 747-200C, 747-200F, 747-300, and 747SR Series Airplanes

AD Number
2006-16-10
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2006-24695
FR Citation
71 FR 45363

Applicability

TypeManufacturerModelDetails
aircraft Boeing 747-200B Airworthiness Directives; Boeing Model 747-200B, 747-200C, 747-200F, 747-300, and 747SR Series Airplanes

Unsafe Condition

Heat damage and cracking of the skin and internal structure adjacent to and aft of the precooler exhaust vent on several engine struts, which could result in extensive damage to the engine struts and consequent possible separation of an engine from the airplane during flight.

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

Required Actions

Perform repetitive detailed inspections of engine struts 1 through 4 for heat discoloration, cracking, buckling, or wrinkling. If heat discoloration, buckling, or wrinkling is found, conduct a conductivity test and an inspection to detect cracking. Repair any buckled, wrinkled, or cracked areas as necessary.

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

Compliance Time

Within 18 months after the effective date of the AD, with subsequent inspections every 18 months.

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

Affected Aircraft

Boeing Model 747-200B, 747-200C, 747-200F, 747-300, and 747SR series airplanes, certificated in any category, as identified in Boeing Special Attention Service Bulletin 747-54-2223, dated January 26, 2006.

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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