AD 2000-22-02 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 737-100 Series | Airworthiness Directives; BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-200 Series | Airworthiness Directives; BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-200C Series | Airworthiness Directives; BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-300 Series | Airworthiness Directives; BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-400 Series | Airworthiness Directives; BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-500 Series | Airworthiness Directives; BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-600 Series | Airworthiness Directives; BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-700 Series | Airworthiness Directives; BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-700C Series | Airworthiness Directives; BOEING Model 737 Series Airplanes |
| aircraft | The Boeing Company | 737-800 Series | Airworthiness Directives; BOEING Model 737 Series Airplanes |
Unsafe Condition
Uncommanded yaw or roll condition during flight due to potential failure of the yaw damper system.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revise the Airplane Flight Manual (AFM) to include emergency procedures for uncommanded yaw or roll conditions. Ensure all affected manuals are updated.
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
Boeing Model 737 series airplanes with the affected yaw damper system configuration.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Airplane Flight Manual, Emergency Procedures Section -- Uncommanded Yaw or Roll Condition
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_2000-22-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 2000-22-02 R1 Document Type: AD Final Rules Docket Number: 2000-NM-325-AD Subject Heading: Airworthiness Directives; BOEING Model 737 Series Airplanes Subject: Airplane Flight Manual, Emergency Procedures Section -- Uncommanded Yaw or Roll Condition Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/13/2000 Make: The Boeing Company Model: 737-100 Series | 737-200 Series | 737-200C Series | 737-300 Series | 737-400 Series | 737-500 Series | 737-600 Series | 737-700 Series ...Show more Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: 2000-22-02 Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 (65 FR 69239 11/16/2000) Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 2000-22-02 R1 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: 2000-NM-325-AD AMENDMENT: 39-11948 AD NUMBER: 2000-22-02 R1 SUBJECT HEADING: Airworthiness Directives; BOEING Model 737 Series Airplanes ACTION: SUMMARY: This document corrects information in an existing airworthiness directive (AD) that applies to all Boeing Model 737 series airplanes. That AD supersedes AD 99-05-15, amendment 39-11063, to require revising the FAA-approved Airplane Flight Manual (AFM) procedure in the existing AD to simplify the instructions for correcting a jammed or restricted flight control condition. This document corrects the format for certain AFM material described in that AD. This correction is necessary to ensure that the flightcrew is aware of certain critical recall items in the AFM procedure that are necessary to address a condition involving a jammed or restricted rudder. DATES: Effective November 13, 2000. ADDRESSES: FOR FURTHER INFORMATION CONTACT: Steve O’Neal, Aerospace Engineer, Flight Test Branch, ANM-160S, Seattle Aircraft Certification Office, FAA, 1601 Lind Avenue, SW., Renton, Washington 98055-4056; telephone (425) 227-2699; fax (425) 227-1181. SUPPLEMENTARY INFORMATION: On October 20, 2000, the Federal Aviation Administration (FAA) issued AD 2000-22-02, amendment 39-11948 (65 FR 64134, October 26, 2000), which applies to all Boeing Model 737 series airplanes. That AD supersedes AD 96-26-07, amendment 39-9871 (62 FR 15, January 2, 1997), to require revising the FAA-approved Airplane Flight Manual (AFM) procedure in the existing AD to simplify the instructions for correcting a jammed or restricted flight control condition. That AD was prompted by an FAA determination that the procedure currently inserted in the AFM by the existing AD is not defined adequately. The actions required by that AD are intended to ensure that the flight crew is advised of the procedures necessary to address a condition involving a jammed or restricted rudder. Need for the Correction Information obtained recently by the FAA indicates that certain AFM material described in AD 2000-22-02 was incorrectly formatted. The FAA has determined that a correction to the published format of the AFM procedure specified in paragraph (b) of that AD is necessary. The procedure contains critical recall (memory) items. The first two procedural steps, which call for disengagement of the autopilot and autothrottle, and their associated text, are recall items. In standard operational materials, recall items are indicated to the flight crew by specifying the information in a text box. Any duplication of this procedure in operational documentation must reflect the recall nature of these items. Therefore, paragraph (b) of this AD has been revised to reference Figure 1 of this AD, which contains the correct format in order to emphasize these recall items. The correction will ensure that the flightcrew is aware of the critical recall items in the AFM procedure described in that AD that are necessary to address a condition involving a jammed or restricted rudder. Correction of Publication This document corrects the error and correctly adds the AD as an amendment to section 39.13 of the Federal Aviation Regulations (14 CFR 39.13). The AD is reprinted in its entirety for the convenience of affected operators. The effective date of the AD remains November 13, 2000. Since this action only corrects a formatting error, it has no adverse economic impact and imposes no additional burden on any person. Therefore, the FAA has determined that notice and public procedures are unnecessary. List of Subject in 14 CFR Part 39 Air transportation, Aircraft, Aviation safety, Safety. Adoption of the Correction Accordingly, pursuant to the authority delegated to me by the Administrator, the Federal Aviation Administration amends part 39 of the Federal Aviation Regulations (14 CFR part 39) as follows: PART 39 - AIRWORTHINESS DIRECTIVES 1. The authority citation for part 39 continues to read as follows: Authority: 49 U.S.C. 106(g), 40113, 44701. § 39.13 [Corrected] 2. Section 39.13 is amended by correctly adding the following airworthiness directive (AD): REGULATORY TEXT: 2000-22-02 R1 BOEING: Amendment 39-11948. Docket 2000-NM-325-AD. Supersedes 96-26-07, Amendment 39-9871. Applicability: All Model 737 series airplanes, certificated in any category. Compliance: Required as indicated, unless accomplished previously. To ensure that the flight crew is advised of the procedures necessary to address a condition involving a jammed or restricted rudder, accomplish the following: RESTATEMENT OF CERTAIN REQUIREMENTS OF AD 96-26-07: (a) Within 30 days after January 17, 1997 (the effective date of AD 96-26-07, amendment 39-9871): Revise the Emergency Procedures Section of the FAA-approved Airplane Flight Manual (AFM) to include the following recall item, which will enable the flight crew to take appropriate action to maintain control of the airplane during an uncommanded yaw or roll condition. This may be accomplished by inserting a copy of this AD in the AFM. "UNCOMMANDED YAW OR ROLL RECALL Maintain control of the airplane with all available flight controls. If roll is uncontrollable, immediately reduce angle of attack and increase airspeed. Do not attempt to maintain altitude until control is recovered. If engaged, disconnect autopilot and autothrottle." NEW REQUIREMENTS OF THIS AD: (b) Within 30 days after the effective date of this AD: Revise the Normal Procedures Section of the FAA-approved AFM for Model 737-100 and -200 series airplanes or the Non-Normal Procedures Section of the FAA-approved AFM for Model 737-300, -400, -500, -600, -700, and -800 series airplanes, as applicable, to include the procedure specified in Figure 1 of this AD. This may be accomplished by inserting a copy of this AD in the AFM and removing the existing copy (inserted as required by AD 96-26-07), entitled "Jammed Flight Controls." "UNCOMMANDED RUDDER Condition: Uncommanded rudder pedal displacement or pedal kicks. AUTOPILOT (if engaged). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DISENGAGE Maintain control of the airplane with all available flight controls. If roll is uncontrollable, immediately reduce pitch/angle of attack and increase airspeed. Do not attempt to maintain altitude until control is recovered. AUTOTHROTTLE (if engaged). . . . . . . . . . . . . . . . . . . . . . . . . DISENGAGE Verify thrust is symmetrical. YAW DAMPER SWITCH. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .OFF RUDDER TRIM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .CENTER RUDDER PEDALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .FREE & CENTER Use maximum force including a combined effort of both pilots, if required to free and center the rudder pedals. If rudder pedal position or movement is not normal and the condition is not the result of rudder trim: SYSTEM B FLIGHT CONTROL SWITCH. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .STBY RUD A slight rudder deflection may remain, but continued rudder pedal pressure may help maintain an in-trim condition. Sufficient directional control is available on landing using differential braking and nose wheel steering. Crosswind capability may be reduced. Do not use autobrakes. Consider checking rudder freedom of movement at a safe altitude using slow rudder inputs while in the landing configuration and at approach speed. If condition was the result of rudder trim or environmental factors: YAW DAMPER SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ON Accomplish the normal DESCENT - APPROACH and LANDING checklists." FIGURE 1 (c) It is acceptable to modify the format of the above procedure to reflect the format used by individual carriers. However, the procedural sequence, memory items, and/or associated text may not be modified, except by submitting a request for an alternative method of compliance (AMOC) as specified in paragraph (d) of this AD. Alternative Methods of Compliance (d) An AMOC or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Seattle Aircraft Certification Office (ACO), FAA. Operators shall submit their requests through an appropriate FAA Principal Operations Inspector, who may add comments and then send it to the Manager, Seattle ACO. NOTE 1: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Seattle ACO. Special Flight Permits (e) Special flight permits may be issued in accordance with sections 21.197 and 21.199 of the Federal Aviation Regulations (14 CFR 21.197 and 21.199) to operate the airplane to a location where the requirements of this AD can be accomplished. Effective Date (f) The effective date of this amendment remains November 13, 2000. FOOTER: Issued in Renton, Washington, on November 9, 2000. Donald L. Riggin, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service.
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_2000-22-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 2000-22-02 R1 Document Type: AD Final Rules Docket Number: 2000-NM-325-AD Subject Heading: Airworthiness Directives; BOEING Model 737 Series Airplanes Subject: Airplane Flight Manual, Emergency Procedures Section -- Uncommanded Yaw or Roll Condition Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/13/2000 Make: The Boeing Company Model: 737-100 Series | 737-200 Series | 737-200C Series | 737-300 Series | 737-400 Series | 737-500 Series | 737-600 Series | 737-700 Series ...Show more Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: 2000-22-02 Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 (65 FR 69239 11/16/2000) Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 2000-22-02 R1 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: 2000-NM-325-AD AMENDMENT: 39-11948 AD NUMBER: 2000-22-02 R1 SUBJECT HEADING: Airworthiness Directives; BOEING Model 737 Series Airplanes ACTION: SUMMARY: This document corrects information in an existing airworthiness directive (AD) that applies to all Boeing Model 737 series airplanes. That AD supersedes AD 99-05-15, amendment 39-11063, to require revising the FAA-approved Airplane Flight Manual (AFM) procedure in the existing AD to simplify the instructions for correcting a jammed or restricted flight control condition. This document corrects the format for certain AFM material described in that AD. This correction is necessary to ensure that the flightcrew is aware of certain critical recall items in the AFM procedure that are necessary to address a condition involving a jammed or restricted rudder. DATES: Effective November 13, 2000. ADDRESSES: FOR FURTHER INFORMATION CONTACT: Steve O’Neal, Aerospace Engineer, Flight Test Branch, ANM-160S, Seattle Aircraft Certification Office, FAA, 1601 Lind Avenue, SW., Renton, Washington 98055-4056; telephone (425) 227-2699; fax (425) 227-1181. SUPPLEMENTARY INFORMATION: On October 20, 2000, the Federal Aviation Administration (FAA) issued AD 2000-22-02, amendment 39-11948 (65 FR 64134, October 26, 2000), which applies to all Boeing Model 737 series airplanes. That AD supersedes AD 96-26-07, amendment 39-9871 (62 FR 15, January 2, 1997), to require revising the FAA-approved Airplane Flight Manual (AFM) procedure in the existing AD to simplify the instructions for correcting a jammed or restricted flight control condition. That AD was prompted by an FAA determination that the procedure currently inserted in the AFM by the existing AD is not defined adequately. The actions required by that AD are intended to ensure that the flight crew is advised of the procedures necessary to address a condition involving a jammed or restricted rudder. Need for the Correction Information obtained recently by the FAA indicates that certain AFM material described in AD 2000-22-02 was incorrectly formatted. The FAA has determined that a correction to the published format of the AFM procedure specified in paragraph (b) of that AD is necessary. The procedure contains critical recall (memory) items. The first two procedural steps, which call for disengagement of the autopilot and autothrottle, and their associated text, are recall items. In standard operational materials, recall items are indicated to the flight crew by specifying the information in a text box. Any duplication of this procedure in operational documentation must reflect the recall nature of these items. Therefore, paragraph (b) of this AD has been revised to reference Figure 1 of this AD, which contains the correct format in order to emphasize these recall items. The correction will ensure that the flightcrew is aware of the critical recall items in the AFM procedure described in that AD that are necessary to address a condition involving a jammed or restricted rudder. Correction of Publication This document corrects the error and correctly adds the AD as an amendment to section 39.13 of the Federal Aviation Regulations (14 CFR 39.13). The AD is reprinted in its entirety for the convenience of affected operators. The effective date of the AD remains November 13, 2000. Since this action only corrects a formatting error, it has no adverse economic impact and imposes no additional burden on any person. Therefore, the FAA has determined that notice and public procedures are unnecessary. List of Subject in 14 CFR Part 39 Air transportation, Aircraft, Aviation safety, Safety. Adoption of the Correction Accordingly, pursuant to the authority delegated to me by the Administrator, the Federal Aviation Administration amends part 39 of the Federal Aviation Regulations (14 CFR part 39) as follows: PART 39 - AIRWORTHINESS DIRECTIVES 1. The authority citation for part 39 continues to read as follows: Authority: 49 U.S.C. 106(g), 40113, 44701. § 39.13 [Corrected] 2. Section 39.13 is amended by correctly adding the following airworthiness directive (AD): REGULATORY TEXT: 2000-22-02 R1 BOEING: Amendment 39-11948. Docket 2000-NM-325-AD. Supersedes 96-26-07, Amendment 39-9871. Applicability: All Model 737 series airplanes, certificated in any category. Compliance: Required as indicated, unless accomplished previously. To ensure that the flight crew is advised of the procedures necessary to address a condition involving a jammed or restricted rudder, accomplish the following: RESTATEMENT OF CERTAIN REQUIREMENTS OF AD 96-26-07: (a) Within 30 days after January 17, 1997 (the effective date of AD 96-26-07, amendment 39-9871): Revise the Emergency Procedures Section of the FAA-approved Airplane Flight Manual (AFM) to include the following recall item, which will enable the flight crew to take appropriate action to maintain control of the airplane during an uncommanded yaw or roll condition. This may be accomplished by inserting a copy of this AD in the AFM. "UNCOMMANDED YAW OR ROLL RECALL Maintain control of the airplane with all available flight controls. If roll is uncontrollable, immediately reduce angle of attack and increase airspeed. Do not attempt to maintain altitude until control is recovered. If engaged, disconnect autopilot and autothrottle." NEW REQUIREMENTS OF THIS AD: (b) Within 30 days after the effective date of this AD: Revise the Normal Procedures Section of the FAA-approved AFM for Model 737-100 and -200 series airplanes or the Non-Normal Procedures Section of the FAA-approved AFM for Model 737-300, -400, -500, -600, -700, and -800 series airplanes, as applicable, to include the procedure specified in Figure 1 of this AD. This may be accomplished by inserting a copy of this AD in the AFM and removing the existing copy (inserted as required by AD 96-26-07), entitled "Jammed Flight Controls." "UNCOMMANDED RUDDER Condition: Uncommanded rudder pedal displacement or pedal kicks. AUTOPILOT (if engaged). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DISENGAGE Maintain control of the airplane with all available flight controls. If roll is uncontrollable, immediately reduce pitch/angle of attack and increase airspeed. Do not attempt to maintain altitude until control is recovered. AUTOTHROTTLE (if engaged). . . . . . . . . . . . . . . . . . . . . . . . . DISENGAGE Verify thrust is symmetrical. YAW DAMPER SWITCH. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .OFF RUDDER TRIM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .CENTER RUDDER PEDALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .FREE & CENTER Use maximum force including a combined effort of both pilots, if required to free and center the rudder pedals. If rudder pedal position or movement is not normal and the condition is not the result of rudder trim: SYSTEM B FLIGHT CONTROL SWITCH. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .STBY RUD A slight rudder deflection may remain, but continued rudder pedal pressure may help maintain an in-trim condition. Sufficient directional control is available on landing using differential braking and nose wheel steering. Crosswind capability may be reduced. Do not use autobrakes. Consider checking rudder freedom of movement at a safe altitude using slow rudder inputs while in the landing configuration and at approach speed. If condition was the result of rudder trim or environmental factors: YAW DAMPER SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ON Accomplish the normal DESCENT - APPROACH and LANDING checklists." FIGURE 1 (c) It is acceptable to modify the format of the above procedure to reflect the format used by individual carriers. However, the procedural sequence, memory items, and/or associated text may not be modified, except by submitting a request for an alternative method of compliance (AMOC) as specified in paragraph (d) of this AD. Alternative Methods of Compliance (d) An AMOC or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Seattle Aircraft Certification Office (ACO), FAA. Operators shall submit their requests through an appropriate FAA Principal Operations Inspector, who may add comments and then send it to the Manager, Seattle ACO. NOTE 1: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Seattle ACO. Special Flight Permits (e) Special flight permits may be issued in accordance with sections 21.197 and 21.199 of the Federal Aviation Regulations (14 CFR 21.197 and 21.199) to operate the airplane to a location where the requirements of this AD can be accomplished. Effective Date (f) The effective date of this amendment remains November 13, 2000. FOOTER: Issued in Renton, Washington, on November 9, 2000. Donald L. Riggin, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service.
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