AD 2001-17-18
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 737-100 | Airworthiness Directives; Boeing Model 737-100, -200, and -200C Series Airplanes |
Unsafe Condition
Cracking at the aileron control quadrant cutouts and in the cabin floor beams and pressure web transverse beams above the main wheel well, which could result in rapid loss of cabin pressure and reduced structural integrity of the airframe.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect certain floor beams and transverse beams for cracking. Perform corrective actions if necessary. For certain airplanes, optional terminating action is provided for repetitive inspections.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 12,000 total flight cycles, 6,000 flight cycles after the effective date, or 15 months after the effective date, whichever occurs latest.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 737-100, -200, and -200C series airplanes listed in Boeing Service Bulletin 737-57-1139, Revision 4, dated April 16, 1992.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.