AD 83-23-02 R1

final rule
Data completeness: 70%

Airworthiness Directives; SIAI-MARCHETTI Model S.205-18/F, S.205-20/F, S.205-18/R, S.205-20/R, S.205-22/R, S.208 and S.208-A Series Airplanes

AD Number
83-23-02 R1
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Aermacchi S.p.A. S.205 - 18/F Airworthiness Directives; SIAI-MARCHETTI Model S.205-18/F, S.205-20/F, S.205-18/R, S.205-20/R, S.205-22/R, S.208 and S.208-A Series Airplanes
aircraft Aermacchi S.p.A. S.205 - 18/R Airworthiness Directives; SIAI-MARCHETTI Model S.205-18/F, S.205-20/F, S.205-18/R, S.205-20/R, S.205-22/R, S.208 and S.208-A Series Airplanes
aircraft Aermacchi S.p.A. S.205 - 20/F Airworthiness Directives; SIAI-MARCHETTI Model S.205-18/F, S.205-20/F, S.205-18/R, S.205-20/R, S.205-22/R, S.208 and S.208-A Series Airplanes
aircraft Aermacchi S.p.A. S.205 - 20/R Airworthiness Directives; SIAI-MARCHETTI Model S.205-18/F, S.205-20/F, S.205-18/R, S.205-20/R, S.205-22/R, S.208 and S.208-A Series Airplanes
aircraft Aermacchi S.p.A. S.205 - 22/R Airworthiness Directives; SIAI-MARCHETTI Model S.205-18/F, S.205-20/F, S.205-18/R, S.205-20/R, S.205-22/R, S.208 and S.208-A Series Airplanes
aircraft Aermacchi S.p.A. S.208 Airworthiness Directives; SIAI-MARCHETTI Model S.205-18/F, S.205-20/F, S.205-18/R, S.205-20/R, S.205-22/R, S.208 and S.208-A Series Airplanes
aircraft Aermacchi S.p.A. S.208A Airworthiness Directives; SIAI-MARCHETTI Model S.205-18/F, S.205-20/F, S.205-18/R, S.205-20/R, S.205-22/R, S.208 and S.208-A Series Airplanes

Unsafe Condition

Cracks on the rear side of the wing rear spar around the attachment holes of the flap hinges attach brackets (P/N 205-3-010-01, 02, 03, 04) could lead to flap system malfunction.

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

Required Actions

Inspect the rear side of each wing rear spar around flap hinge attach bracket attachment holes using a light and mirror, following SIAI-Marchetti Service Bulletin 205B57. If cracks exceed specified limits (e.g., over 15 mm from hole center or multiple cracked holes), modify the spar per the same service bulletin unless a single crack exceeds 20 mm, requiring FAA consultation. Adjust inspection intervals up to 10% for maintenance coordination.

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

Compliance Time

Before further flight and thereafter at intervals not to exceed 50 hours time-in-service from the last inspection, unless modified to 100 hours after incorporating the service bulletin modification.

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

Affected Aircraft

Aermacchi S.p.A. Models S.205-18/F, S.205-20/F, S.205-18/R, S.205-20/R, S.205-22/R, S.208, and S.208-A (all serial numbers)

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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.