AD 2009-10-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier Model CL-600-2C10 (Regional Jet Series 700, 701 & 702), CL-600-2D15 (Regional Jet Series 705), and CL-600-2D24 (Regional Jet Series 900) Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Bombardier Model CL-600-2C10 (Regional Jet Series 700, 701 & 702), CL-600-2D15 (Regional Jet Series 705), and CL-600-2D24 (Regional Jet Series 900) Airplanes |
Unsafe Condition
When the outflow valve (OFV) manual mode connector is not connected, the manual mode motor and altitude limitation are not properly tested. This could result in a dormant loss of several CPC backup/safety functions, including OFV manual control, altitude limitation, emergency depressurization, and smoke clearance.
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Required Actions
Inspect the outflow valve (OFV) manual mode motor and altitude limitation functions. Modify (software update) the CPC units and CPCP. Replace the valve with a new or serviceable valve if improper functions are found.
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Compliance Time
Before further flight
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Affected Aircraft
Bombardier Model CL-600-2C10 (Regional Jet Series 700, 701, & 702) airplanes, serial numbers 10003 through 10260; Model CL-600-2D15 (Regional Jet Series 705) airplanes; and Model CL-600-2D24 (Regional Jet Series 900) airplanes, serial numbers 15001 through 15095.
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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