AD 89-26-06 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 737-300 Series | Airworthiness Directives; BOEING Model 737-300, 757, and 767 Series Airplanes |
| aircraft | The Boeing Company | 757-200 Series | Airworthiness Directives; BOEING Model 737-300, 757, and 767 Series Airplanes |
| aircraft | The Boeing Company | 757-200CB Series | Airworthiness Directives; BOEING Model 737-300, 757, and 767 Series Airplanes |
| aircraft | The Boeing Company | 757-200PF Series | Airworthiness Directives; BOEING Model 737-300, 757, and 767 Series Airplanes |
| aircraft | The Boeing Company | 757-300 Series | Airworthiness Directives; BOEING Model 737-300, 757, and 767 Series Airplanes |
| aircraft | The Boeing Company | 767-200 Series | Airworthiness Directives; BOEING Model 737-300, 757, and 767 Series Airplanes |
| aircraft | The Boeing Company | 767-300 Series | Airworthiness Directives; BOEING Model 737-300, 757, and 767 Series Airplanes |
| aircraft | The Boeing Company | 767-300F Series | Airworthiness Directives; BOEING Model 737-300, 757, and 767 Series Airplanes |
Unsafe Condition
Failure of the oxygen generator to activate when required.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect and replace Puritan chemical generators P/N 117003-13 with serial numbers 06339 through 06559. Inspect and replace 1 1/2-turn oxygen generator lanyard pull rings with 2-turn pull rings as specified in applicable Boeing Alert Service Bulletins. Alternate compliance may be approved by the FAA Manager, Seattle Aircraft Certification Office.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 3,000 hours time-in-service after the effective date of this AD, unless previously accomplished.
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Affected Aircraft
Boeing Model 737-300, 757, and 767 series airplanes listed in specified Boeing Alert Service Bulletins.
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
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