AD 96-04-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 737-200 Series | Airworthiness Directives; Boeing Model 737-200 and -200C Airplanes |
| aircraft | The Boeing Company | 737-200C Series | Airworthiness Directives; Boeing Model 737-200 and -200C Airplanes |
Unsafe Condition
Cracking of the attach ring of the nose cowl, which could result in separation of the nose cowl from the engine following failure of a turbine blade.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install fail-safe straps onto the attach ring per Nordam SB 71-03 within 30 days after May 2, 1995. Perform detailed visual inspections for cracking after each turbine blade failure, reinstall fail-safe straps if no cracking, or replace cracked attach rings with improved parts (P/N 65ND-54301-1 or -5) per specified service bulletins. Replacement with P/N 65ND-54301-5 terminates inspection requirements.
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Compliance Time
Within 30 days after May 2, 1995 (for fail-safe straps installation). Prior to further flight following each turbine blade failure (for inspections and subsequent actions).
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Affected Aircraft
Boeing Model 737-200 and -200C airplanes equipped with dB Partners Hush Kit having attach ring part number 65ND-54301-1 installed per STC SA5730NM.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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