AD 91-11-07
Unsafe Condition
Reduced structural integrity of the fuselage due to potential cracks and damage to areas adjacent to cold-bonded lap joint rivet holds.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within one year after the effective date, remove cold-bonded lap joint rivets and perform detailed visual and high frequency eddy current inspections per Fokker Service Bulletin F28/53-109. If no cracks/damage found, install 3/16-inch protruding-head rivets before further flight. If cracks/damage found, repair and install rivets before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within one year after the effective date of this AD, unless previously accomplished
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
FOKKER Model F-28 series airplanes, Serial Numbers 11003 through 11013, 11991, and 11992; 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 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.