CTHIn ForceLegislation
AD/B737/294 Amdt 2 - Flightcrew Oxygen Masks
Boeing 737 Series AeroplanesBoeing 737 Series Aeroplanes
Start here
Get a plain-English read of Boeing 737 Series Aeroplanes
Turn the raw legal text into a practical explanation grounded in AD/B737/294 Amdt 2 - Flightcrew Oxygen Masks.
Boeing 737 Series Aeroplanes
| AD/B737/294 Amdt 2 | Flightcrew Oxygen Masks | 19/2013 |
|---|
| Applicability: | Boeing Model 737-100, -200, -200C, -300, -400, -500, -600, -700, -700C, -800 and-900 series aeroplanes. |
|---|---|
| Requirement: | 1. Revise the Cabin Pressurization procedures in the Normal Procedures section of the AFMs for Model 737-100, -200, -200C, -300, -400, -500, -600, -700, -700C,-800, and -900 series aeroplanes to include the following procedure:"For normal operations, the pressurization mode selector should be in AUTO prior to takeoff."2. Revise the Emergency Procedures section of the AFMs for Model 737-100, -200, -200C, -300, -400, and -500 series aeroplanes, or the Non-Normal Procedures section of the AFMs for Model 737-600, -700, -700C, -800, and -900 series aeroplanes, as applicable, to include the following procedure:"WARNING HORN - CABIN ALTITUDE OR CONFIGURATIONRECALLCondition: An intermittent or steady warning horn sounds:In flight an intermittent horn indicates the cabin altitude is at or above 10,000 feetOn the ground an intermittent horn indicates an improper takeoff configuration when advancing thrust levers to takeoff thrustIn flight a steady horn indicates an improper landing configuration.If an intermittent horn sounds in flight:OXYGEN MASKS AND REGULATORS..............on, 100%CREW COMMUNICATIONS.................................Establish |
| Do the CABIN ALTITUDE WARNING OR RAPID DEPRESSURIZATION checklist.If an intermittent horn sounds on the ground:Assure proper aeroplane takeoff configuration.If a steady horn sounds in flight:Assure proper airplane landing configuration.”Method To Revising the AFMThe AFM revisions specified in requirements 1 and 2 of this AD may be done by inserting a copy of this AD into the AFM.When statements identical to those specified in requirements 1 and 2 of this AD have been included in general revisions of the AFM, then the general revision(s) may be inserted into the AFM, and the copy of the AD may be removed from the applicable revised sections of the AFM.Optional Action for Certain Requirements of AD/B737/208, AD/B737/216 and AD/B737/255.If any of the following optional actions are taken, make a notation to the effect in the compliance summary for the appropriate AD.For Model 737-100, -200 and -200C series aeroplanes: Using the phrase, “If the intermittent cabin altitude/configuration warning horn sounds in flight:” in place of the phrase, “If the cabin altitude warning horn sounds:” in the revisions to the “Cabin Altitude Warning or Rapid Depressurization” procedure is acceptable for compliance with AD/B737/255.For Model 737-300, -400 and -500 series aeroplanes: Using the phrase, “If the intermittent cabin altitude/configuration warning horn sounds in flight:” in place of the phrase, “If the cabin altitude warning horn sounds:” in the revisions to the “Cabin Altitude Warning or Rapid Depressurization” procedure is acceptable for compliance with AD/B737/208.For Model 737-600, -700, -700C, -800 and -900 series aeroplanes: Using the phrase, “If the intermittent cabin altitude/configuration warning horn sounds in flight:” in place of the phrase, “Condition: The cabin altitude warning horn sounds.” in the revisions to the “Cabin Altitude Warning or Rapid Depressurization” procedure is acceptable for compliance with AD/B737/216.Note: FAA AD 2006-13-13 Amdt 38-14666 dated 15 June 2006 refers. |
|---|