AD 85-02-03

final rule

BOEING Model 737-200 Series Airplanes

AD Number
85-02-03
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.
Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company 737-200 Series BOEING Model 737-200 Series Airplanes

Unsafe Condition

Potential of a hard landing due to runaway stabilizer trim

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

Required Actions

Modify the Autopilot Accessory Units listed (part numbers 65-52812-201, -203, -206, -207, -210, -211, -214, and -216) in accordance with Boeing Service Bulletin 737-22-1062 dated September 16, 1983. Alternate means of compliance may be used if approved by the FAA.

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

Compliance Time

Prior to July 31, 1985

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

Affected Aircraft

Boeing Model 737-200 series airplanes equipped with Autopilot Accessory Units part numbers 65-52812-201, -203, -206, -207, -210, -211, -214, and -216

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

Federal Register Abstract

Autopilot Accessory Units Mod.

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_85-02-03.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
85-02-03
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
BOEING Model 737-200 Series Airplanes
Subject:
Autopilot Accessory Units Mod.
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
03/01/1985
Make:
The Boeing Company
Model:
737-200 Series
Product Type:
Aircraft
Product Subtype:
Large Airplane
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 85-02-03
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-4985

AD NUMBER:   85-02-03

SUBJECT HEADING:   BOEING Model 737-200 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective March 1, 1985.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
85-02-03 BOEING: Amendment 39-4985. Applies to all Boeing Model 737-200 series airplanes equipped with Boeing Autopilot Accessory Units, part numbers 65-52812-201, -203, - 206, -207, -210, -211, -214, and -216 certificated in all categories. Compliance required as indicated, unless previously accomplished.

To preclude the potential of a hard landing due to runaway stabilizer trim, accomplish the following:

A. Prior to July 31, 1985, modify the Autopilot Accessory Units listed above in accordance with Boeing Service Bulletin 737-22-1062 dated September 16, 1983.

B. Alternate means of compliance which provide an equivalent level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region, Seattle, Washington.

This amendment becomes effective March 1, 1985.



FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_85-02-03.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
85-02-03
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
BOEING Model 737-200 Series Airplanes
Subject:
Autopilot Accessory Units Mod.
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
03/01/1985
Make:
The Boeing Company
Model:
737-200 Series
Product Type:
Aircraft
Product Subtype:
Large Airplane
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 85-02-03
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-4985

AD NUMBER:   85-02-03

SUBJECT HEADING:   BOEING Model 737-200 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective March 1, 1985.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
85-02-03 BOEING: Amendment 39-4985. Applies to all Boeing Model 737-200 series airplanes equipped with Boeing Autopilot Accessory Units, part numbers 65-52812-201, -203, - 206, -207, -210, -211, -214, and -216 certificated in all categories. Compliance required as indicated, unless previously accomplished.

To preclude the potential of a hard landing due to runaway stabilizer trim, accomplish the following:

A. Prior to July 31, 1985, modify the Autopilot Accessory Units listed above in accordance with Boeing Service Bulletin 737-22-1062 dated September 16, 1983.

B. Alternate means of compliance which provide an equivalent level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region, Seattle, Washington.

This amendment becomes effective March 1, 1985.



FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.