AD 2011-04-09

final rule
Data completeness: 70%

Airworthiness Directives; Various Transport Category Airplanes Equipped With Chemical Oxygen Generators Installed in a Lavatory

AD Number
2011-04-09
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2011-0157
FR Citation
76 FR 12556

Applicability

TypeManufacturerModelDetails
aircraft Various Transport Category Airworthiness Directives; Various Transport Category Airplanes Equipped With Chemical Oxygen Generators Installed in a Lavatory

Unsafe Condition

The current design of chemical oxygen generators installed in lavatories presents a hazard that could jeopardize flight safety.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Either activate all chemical oxygen generators in the lavatories until the generator oxygen supply is expended, or remove the oxygen generator(s). After the generator is expended (or removed), remove or re-stow the oxygen masks and close the mask dispenser door.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Transport category airplanes in passenger-carrying operations equipped with any chemical oxygen generator installed in any lavatory, operating under 14 CFR part 121, or U.S.-registered and operating under 14 CFR part 129 with a maximum passenger capacity of 20 or greater.

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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