AD 99-11-06

final rule
Data completeness: 70%

Airworthiness Directives; Industrie Aeronautiche e Meccaniche Model Piaggio P-180 Airplanes

AD Number
99-11-06
Status
final_rule
Effective Date
Product Category
aircraft
Docket
98-CE-96-AD
FR Citation
Federal Register: May 21, 1999 (Volume 64, Number 98)

Applicability

TypeManufacturerModelDetails
aircraft Piaggio Aero Industries S.p.A. P-180 Airworthiness Directives; Industrie Aeronautiche e Meccaniche Model Piaggio P-180 Airplanes

Unsafe Condition

Thermal expansion causing leakage of the environmental control system bleed tube due to improper installation, which could result in deterioration of the electrical wiring and surrounding structure.

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

Required Actions

Inspect both left and right wing environmental control system bleed tubes for damage, leakage, and correct gap between the tube and wing lower panel crossing area within 100 hours time-in-service after the effective date. Replace damaged tubes, inspect and repair wiring and structures if leakage is found, and rotate tubes to correct gaps prior to further flight.

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

Compliance Time

Within 100 hours time-in-service after the effective date

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Affected Aircraft

Industrie Aeronautiche e Meccaniche Model Piaggio P-180 airplanes, all serial numbers up to and including serial number 1031

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

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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