AD 2013-02-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company Model 737-600 | Airworthiness Directives; the Boeing Company |
Unsafe Condition
Failure of the flightcrew to recognize and react to a valid cabin altitude warning horn, which could result in incapacitation of the flightcrew due to hypoxia (a lack of oxygen in the body), and consequent loss of control of the airplane.
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Required Actions
Install two warning level indicator lights on each of the P1-3 and P3-1 instrument panels in the flight compartment for certain airplanes. Replace the existing P5-16 and P5-10 panels for certain airplanes. Replace the basic P5-16 panel with a high altitude landing P5-16 panel for certain airplanes. Revise the airplane flight manual to remove certain requirements of previous AD actions and advise the flightcrew of certain changes.
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Compliance Time
Before further flight
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Affected Aircraft
The Boeing Company Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes, with specific applicability determined by variable numbers and service bulletins.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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