AD 88-13-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 767-200 Series | Airworthiness Directives; BOEING Model 767 Series Airplanes |
| aircraft | The Boeing Company | 767-300 Series | Airworthiness Directives; BOEING Model 767 Series Airplanes |
| aircraft | The Boeing Company | 767-300F Series | Airworthiness Directives; BOEING Model 767 Series Airplanes |
Unsafe Condition
Severe damage to the airplane in the event of a cargo compartment fire due to fire extinguishant distribution system reversals or covered extinguishant discharge nozzles.
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Required Actions
Within 24 hours after the effective date, conduct either a cargo compartment fire extinguishant distribution system part number inspection per Boeing Alert Service Bulletin 767-26A0036 or a functional flow check using Maintenance Manual guidelines. Within 30 days, inspect cargo fire extinguishant nozzles per specified service bulletins. Correct any detected system reversals or covered nozzles prior to further cargo/baggage flight. Report findings within 7 days if issues are found. Alternate compliance may be approved by the Seattle Aircraft Certification Office.
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Compliance Time
Within the next 24 hours (1 day) after the effective date of this AD for initial actions, within 30 days for nozzle inspections, and prior to further flight for corrections. Reporting required within 7 days of findings.
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Affected Aircraft
Boeing Model 767-200 Series, 767-300 Series, 767-300F Series airplanes certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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