AD 93-05-15

final rule

Airworthiness Directives; Cessna Models 500/501, 550/551, S550, 560 and 650 Airplanes

AD Number
93-05-15
Status
final_rule
Effective Date
Product Category
aircraft
Docket
92-NM-155-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Cessna Aircraft Company 500 Airworthiness Directives; Cessna Models 500/501, 550/551, S550, 560 and 650 Airplanes
aircraft Cessna Aircraft Company 501 Airworthiness Directives; Cessna Models 500/501, 550/551, S550, 560 and 650 Airplanes
aircraft Cessna Aircraft Company 550 Airworthiness Directives; Cessna Models 500/501, 550/551, S550, 560 and 650 Airplanes
aircraft Cessna Aircraft Company 551 Airworthiness Directives; Cessna Models 500/501, 550/551, S550, 560 and 650 Airplanes
aircraft Cessna Aircraft Company 560 Airworthiness Directives; Cessna Models 500/501, 550/551, S550, 560 and 650 Airplanes
aircraft Cessna Aircraft Company 650 Airworthiness Directives; Cessna Models 500/501, 550/551, S550, 560 and 650 Airplanes
aircraft Cessna Aircraft Company S550 Airworthiness Directives; Cessna Models 500/501, 550/551, S550, 560 and 650 Airplanes

Unsafe Condition

Severely reduced controllability of engine power authority due to thrust reverser throttle load limiter issues.

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

Required Actions

Modify the thrust reverser throttle load limiter in accordance with specified Cessna Service Bulletins within 150 hours time-in-service after the effective date. Alternative methods or compliance time adjustments may be approved by the FAA.

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

Compliance Time

Within 150 hours time-in-service after the effective date of this AD

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

Affected Aircraft

Cessna Models 500/501 (unit -0001 through -0689), 550/551 (unit -0002 through -0678), S550 (unit -0001 through -0160), 560 (unit -071A, -092A, -109A, -0001 through -0118), and 650 (serial -0001 through -0217) equipped with thrust reversers.

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

Federal Register Abstract

Thrust Reverser Throttle Load Limiter

Applicability Source Text

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AD Number:
93-05-15
Document Type:
AD Final Rules
Docket Number:
92-NM-155-AD
Subject Heading:
Airworthiness Directives; Cessna Models 500/501, 550/551, S550, 560 and 650 Airplanes
Subject:
Thrust Reverser Throttle Load Limiter
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
04/23/1993
Make:
Cessna Aircraft Company
Model:
500 | 501 | 550 | 551 | 560 | 650 | S550
Product Type:
Aircraft
Product Subtype:
Small/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: 93-05-15
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   92-NM-155-AD

AMENDMENT:   39-8519

AD NUMBER:   93-05-15

SUBJECT HEADING:   Airworthiness Directives; Cessna Models 500/501, 550/551, S550, 560 and 650 Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective April 23, 1993.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
93-05-15 CESSNA AIRCRAFT COMPANY: Amendment 39-8519. Docket 92-NM-155-AD.

Applicability: Citation Model 500/501 series airplanes, unit numbers -0001 through -0689, inclusive, equipped with thrust reversers; Citation Model 550/551 series airplanes, unit numbers -0002 through -0678, inclusive, equipped with thrust reversers; Citation Model S550 series airplanes, unit numbers -0001 through -0160, inclusive; Citation Model 560 series airplanes, unit numbers -071A, -092A, -109A, and -0001 through -0118, inclusive; Citation Model 650 series airplanes, serial numbers -0001 through -0217, inclusive; certificated in any category.

Compliance: Required as indicated, unless accomplished previously.

To prevent severely reduced controllability of engine power authority, accomplish the following:

(a) Within 150 hours time-in-service after the effective date of this AD, modify the thrust reverser throttle load limiter in accordance with Cessna Citation Service Bulletin SB500-78-11, dated September 13, 1991 (for Model 500/501 series airplanes); Cessna Citation Service Bulletin SB550-78-03, dated September 13, 1991 (for Model 550/551 series airplanes); Cessna Citation Service Bulletin SBS550-78-04, dated September 13, 1991 (for Model S550 series airplanes); Cessna Citation Service Bulletin SB560-78-02, dated September 13, 1991 (for Model 560 series airplanes); or Cessna Citation Service Bulletin SB650-78-05, Revision 1, dated June 12, 1992 (for Model 650 series airplanes); as applicable.

(b) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Wichita Aircraft Certification Office (ACO), FAA, Small Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Wichita ACO.

NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Wichita ACO.

(c) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished.

(d) The modification shall be done in accordance with the following Cessna Citation Service Bulletins, as applicable, which contain the specified effective pages:

Service Bulletin
Referenced and Date	
Page Number
	
Revision Level
Shown on Page
	Shown on Page
500-78-11,
September 13, 1991	
1-7
	
Original
	September 13, 1991
SBS550-78-04,
September 13, 1991	
1-7
	
Original
	September 13, 1991
SB550-78-03,
September 13, 1991	
1-7
	
Original
	September 13, 1991
SB560-78-02,
September 13, 1991	
1-7
	
Original
	September 13, 1991
SB650-78-05,
Revision 1,
June 12, 1992	
1-3

4-6
	
1

Original
	June 12, 1992

February 14, 1992

This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from Cessna Aircraft Company, Citation Marketing Division, P.O. Box 7706, Wichita, Kansas 67277. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the FAA, Wichita Aircraft Certification Office, 1801 Airport Road, Room 100, Mid-Continent Airport, Wichita, Kansas; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC.

(e) This amendment becomes effective on April 23, 1993.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_93-05-15.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
93-05-15
Document Type:
AD Final Rules
Docket Number:
92-NM-155-AD
Subject Heading:
Airworthiness Directives; Cessna Models 500/501, 550/551, S550, 560 and 650 Airplanes
Subject:
Thrust Reverser Throttle Load Limiter
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
04/23/1993
Make:
Cessna Aircraft Company
Model:
500 | 501 | 550 | 551 | 560 | 650 | S550
Product Type:
Aircraft
Product Subtype:
Small/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: 93-05-15
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   92-NM-155-AD

AMENDMENT:   39-8519

AD NUMBER:   93-05-15

SUBJECT HEADING:   Airworthiness Directives; Cessna Models 500/501, 550/551, S550, 560 and 650 Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective April 23, 1993.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
93-05-15 CESSNA AIRCRAFT COMPANY: Amendment 39-8519. Docket 92-NM-155-AD.

Applicability: Citation Model 500/501 series airplanes, unit numbers -0001 through -0689, inclusive, equipped with thrust reversers; Citation Model 550/551 series airplanes, unit numbers -0002 through -0678, inclusive, equipped with thrust reversers; Citation Model S550 series airplanes, unit numbers -0001 through -0160, inclusive; Citation Model 560 series airplanes, unit numbers -071A, -092A, -109A, and -0001 through -0118, inclusive; Citation Model 650 series airplanes, serial numbers -0001 through -0217, inclusive; certificated in any category.

Compliance: Required as indicated, unless accomplished previously.

To prevent severely reduced controllability of engine power authority, accomplish the following:

(a) Within 150 hours time-in-service after the effective date of this AD, modify the thrust reverser throttle load limiter in accordance with Cessna Citation Service Bulletin SB500-78-11, dated September 13, 1991 (for Model 500/501 series airplanes); Cessna Citation Service Bulletin SB550-78-03, dated September 13, 1991 (for Model 550/551 series airplanes); Cessna Citation Service Bulletin SBS550-78-04, dated September 13, 1991 (for Model S550 series airplanes); Cessna Citation Service Bulletin SB560-78-02, dated September 13, 1991 (for Model 560 series airplanes); or Cessna Citation Service Bulletin SB650-78-05, Revision 1, dated June 12, 1992 (for Model 650 series airplanes); as applicable.

(b) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Wichita Aircraft Certification Office (ACO), FAA, Small Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Wichita ACO.

NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Wichita ACO.

(c) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished.

(d) The modification shall be done in accordance with the following Cessna Citation Service Bulletins, as applicable, which contain the specified effective pages:

Service Bulletin
Referenced and Date	
Page Number
	
Revision Level
Shown on Page
	Shown on Page
500-78-11,
September 13, 1991	
1-7
	
Original
	September 13, 1991
SBS550-78-04,
September 13, 1991	
1-7
	
Original
	September 13, 1991
SB550-78-03,
September 13, 1991	
1-7
	
Original
	September 13, 1991
SB560-78-02,
September 13, 1991	
1-7
	
Original
	September 13, 1991
SB650-78-05,
Revision 1,
June 12, 1992	
1-3

4-6
	
1

Original
	June 12, 1992

February 14, 1992

This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from Cessna Aircraft Company, Citation Marketing Division, P.O. Box 7706, Wichita, Kansas 67277. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the FAA, Wichita Aircraft Certification Office, 1801 Airport Road, Room 100, Mid-Continent Airport, Wichita, Kansas; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC.

(e) This amendment becomes effective on April 23, 1993.

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.