AD 2021-07-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Corrosion of electrical connectors located in the main landing gear (MLG) wheel well.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Repetitive records checks to determine exposure to certain deicing fluids or repetitive inspections for corrosion of the electrical connectors, and corrective actions if necessary. If connectors or contacts show signs of corrosion or connector resistance measurements are greater than the specified milliohm limit, accomplish appropriate corrective action(s) prior to further flight in accordance with Boeing Alert Service Bulletin 737-24A1148, Revision 2, dated September 14, 2020.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 24 months of issuance of the original certificate of airworthiness or 12 months after the effective date of this AD, whichever comes later.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
All The Boeing Company Model 737-900ER series airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.