AD 2000-15-18
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 737-100 and -200 | Airworthiness Directives; Boeing Model 737-100 and -200 Series Airplanes |
Unsafe Condition
Cracking of the support fittings of the Krueger flap actuator due to fatigue and stress corrosion, which could result in fracturing of the actuator attach lugs, separation of the actuator from the support fitting, severing of the hydraulic lines, and resultant loss of hydraulic fluids.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the support fitting of the Krueger flap actuator on each wing using eddy current inspection per Boeing Service Bulletin 737-57-1129, Revision 1 or Revision 2. If cracking is detected, replace the existing aluminum fitting with a new steel fitting and modify the actuator aft attachment. If no cracking is detected, repeat inspections at intervals not exceeding 3,000 hours time-in-service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within one year after September 17, 1996 (effective date of AD 96-17-04), or as indicated in the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 737-100 and -200 series airplanes, line numbers 001 through 813 inclusive, 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 6, 2026
Rights: U.S. Government Public Domain
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