AD 2007-26-17

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 747 Airplanes

AD Number
2007-26-17
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2007-28989
FR Citation
73 FR 1046

Applicability

TypeManufacturerModelDetails
aircraft Boeing 747 Airworthiness Directives; Boeing Model 747 Airplanes

Unsafe Condition

Accidental drilling damage to the longeron extension fittings could lead to cracking of the fittings and result in rapid decompression of the airplane.

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

Required Actions

Inspect the left and right longeron extension fittings for accidental drilling damage. Take corrective action if necessary.

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

Compliance Time

Before further flight.

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, 747-400, and 747SP series airplanes.

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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