AD 84-12-03

final rule

Airworthiness Directives; CASA Model 212 Series Airplanes

AD Number
84-12-03
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft EADS CASA C-212-CB Airworthiness Directives; CASA Model 212 Series Airplanes
aircraft EADS CASA C-212-CC Airworthiness Directives; CASA Model 212 Series Airplanes
aircraft EADS CASA C-212-CD Airworthiness Directives; CASA Model 212 Series Airplanes
aircraft EADS CASA C-212-CE Airworthiness Directives; CASA Model 212 Series Airplanes
aircraft EADS CASA C-212-CF Airworthiness Directives; CASA Model 212 Series Airplanes
aircraft EADS CASA C-212-DE Airworthiness Directives; CASA Model 212 Series Airplanes
aircraft EADS CASA C-212-DF Airworthiness Directives; CASA Model 212 Series Airplanes

Unsafe Condition

Damage to the D.C. generating circuit, loss of rudder and elevator control, damage to the wing flap actuation system, interference with flight controls, damage to the wing flap hydraulic system, bearing failures, relative displacement between the elevator shaft support fittings and the elevator shaft, fire from fuel collecting forward of the nacelle fire wall, improper joint strength, improper fitting, improper rudder travel, damage to the wing flap structure, and compromised engine fire wall integrity.

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

Required Actions

Install a new 5 amp fuse and replace the existing 50 amp fuse with a 35 amp fuse; replace rudder and elevator-to-shaft attach fittings with new design fittings; replace the hydraulic cylinder with a new design cylinder; modify the flight deck floor structure; replace the hydraulic system relief valve with a new design valve; replace existing wing flap control hinge bearings with stainless steel bearings; install safety rings; install electric fuel shutoff valves; replace existing nuts in the outer wing-to-center section splice; replace existing mount bolts with longer bolts; replace rudder hinge fittings with new fittings; retorque the attachment fitting fasteners; and reduce clearance space between the engine screen control rods and the firewall.

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

Compliance Time

within the next 200 hours time in service

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

Affected Aircraft

CASA Model 212 series airplanes, including C-212-CB, C-212-CC, C-212-CD, C-212-CE, C-212-CF, C-212-DE, and C-212-DF models, certificated in all categories.

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

Federal Register Abstract

Structural Flight Controls and Fuel System

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_84-12-03.html
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AD Number:
84-12-03
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; CASA Model 212 Series Airplanes
Subject:
Structural Flight Controls and Fuel System
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
07/23/1984
Make:
EADS CASA
Model:
C-212-CB | C-212-CC | C-212-CD | C-212-CE | C-212-CF | C-212-DE | C-212-DF
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: 84-12-03
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-4880

AD NUMBER:   84-12-03

SUBJECT HEADING:   Airworthiness Directives; CASA Model 212 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective July 23, 1984.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   84-12-03 CASA: Amendment 39-4880. Applies to CASA Model 212 series airplanes, certificated in all categories, as indicated in the applicability statement of each of the following service bulletins.

Compliance is required within the time interval specified in each of the following paragraphs after the effective date of this AD, unless already accomplished:

A. To prevent damage to the D.C. generating circuit, within the next 200 hours time in service, install a new 5 amp fuse and replace the existing 50 amp fuse with a 35 amp fuse in accordance with CASA Service Bulletin 212-24-22 dated November 7, 1979.

B. To prevent the loss of rudder and elevator control, within the next 200 hours time in service, replace the rudder and elevator-to-shaft attach fittings with new design fittings in accordance with CASA Service Bulletin 212-27-12, Revision 3, dated June 12, 1980.

C. To prevent damage to the wing flap actuation system, within the next 200 hours time in service, replace the hydraulic cylinder with a new design cylinder in accordance with CASA Service Bulletin 212-27-13 dated December 17, 1980.

D. To prevent interference with flight controls, within the next 200 hours time in service, modify the flight deck floor structure in accordance with CASA Service Bulletin 212-27- 14 dated November 18, 1980.

E. To prevent damage to the wing flap hydraulic system, within the next 200 hours time in service, replace the hydraulic system relief valve with a new design valve in accordance with CASA Service Bulletin 212-27-15, Revision 1, dated November 30, 1981.

F. To prevent bearing failures, within the next 200 hours time in service, replace the existing wing flap control hinge bearings with a stainless steel bearing in accordance with CASA Service Bulletin 212-27-19 dated July 1, 1982.

G. To prevent relative displacement between the elevator shaft support fittings and the elevator shaft, within the next 500 hours time in service, install safety rings in accordance with CASA Service Bulletin 212-27-23 dated October 7, 1982.

H. To prevent the risk of a fire from fuel collecting forward of the nacelle fire wall, within the next 500 hours time in service, install electric fuel shutoff valves in accordance with CASA Service Bulletin 212-28-11, Revision 1, dated September 2, 1981.

I. To ensure proper joint strength, within the next 200 hours time in service, replace the existing nuts in the outer wing-to-center section splice in accordance with CASA Service Bulletin 212-51-01 dated July 7, 1981.

J. To ensure proper fitting, within the next 200 hours time in service, replace the existing mount bolts with longer bolts in accordance with CASA Service Bulletin 212-51-02 dated September 22, 1981.

K. To ensure proper rudder travel, within the next 200 hours time in service, replace the rudder hinge fittings with new fittings in accordance with CASA Service Bulletin 212-55-07 dated July 1, 1982.

L. To prevent damage to the wing flap structure, within the next 200 hours time in service, retorque the attachment fitting fasteners in accordance with CASA Service Bulletin 212- 57-12 dated September 22, 1981.

M. To ensure engine fire wall integrity, within the next 200 hours time in service, reduce the clearance space between the engine screen control rods and the firewall at the penetration point in accordance with CASA Service Bulletin 212-73-03, Revision 1, dated July 14, 1982.

N. 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.

O. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections and/or modifications required by this AD.

This amendment becomes effective July 23, 1984.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_84-12-03.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
84-12-03
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; CASA Model 212 Series Airplanes
Subject:
Structural Flight Controls and Fuel System
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
07/23/1984
Make:
EADS CASA
Model:
C-212-CB | C-212-CC | C-212-CD | C-212-CE | C-212-CF | C-212-DE | C-212-DF
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: 84-12-03
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-4880

AD NUMBER:   84-12-03

SUBJECT HEADING:   Airworthiness Directives; CASA Model 212 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective July 23, 1984.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   84-12-03 CASA: Amendment 39-4880. Applies to CASA Model 212 series airplanes, certificated in all categories, as indicated in the applicability statement of each of the following service bulletins.

Compliance is required within the time interval specified in each of the following paragraphs after the effective date of this AD, unless already accomplished:

A. To prevent damage to the D.C. generating circuit, within the next 200 hours time in service, install a new 5 amp fuse and replace the existing 50 amp fuse with a 35 amp fuse in accordance with CASA Service Bulletin 212-24-22 dated November 7, 1979.

B. To prevent the loss of rudder and elevator control, within the next 200 hours time in service, replace the rudder and elevator-to-shaft attach fittings with new design fittings in accordance with CASA Service Bulletin 212-27-12, Revision 3, dated June 12, 1980.

C. To prevent damage to the wing flap actuation system, within the next 200 hours time in service, replace the hydraulic cylinder with a new design cylinder in accordance with CASA Service Bulletin 212-27-13 dated December 17, 1980.

D. To prevent interference with flight controls, within the next 200 hours time in service, modify the flight deck floor structure in accordance with CASA Service Bulletin 212-27- 14 dated November 18, 1980.

E. To prevent damage to the wing flap hydraulic system, within the next 200 hours time in service, replace the hydraulic system relief valve with a new design valve in accordance with CASA Service Bulletin 212-27-15, Revision 1, dated November 30, 1981.

F. To prevent bearing failures, within the next 200 hours time in service, replace the existing wing flap control hinge bearings with a stainless steel bearing in accordance with CASA Service Bulletin 212-27-19 dated July 1, 1982.

G. To prevent relative displacement between the elevator shaft support fittings and the elevator shaft, within the next 500 hours time in service, install safety rings in accordance with CASA Service Bulletin 212-27-23 dated October 7, 1982.

H. To prevent the risk of a fire from fuel collecting forward of the nacelle fire wall, within the next 500 hours time in service, install electric fuel shutoff valves in accordance with CASA Service Bulletin 212-28-11, Revision 1, dated September 2, 1981.

I. To ensure proper joint strength, within the next 200 hours time in service, replace the existing nuts in the outer wing-to-center section splice in accordance with CASA Service Bulletin 212-51-01 dated July 7, 1981.

J. To ensure proper fitting, within the next 200 hours time in service, replace the existing mount bolts with longer bolts in accordance with CASA Service Bulletin 212-51-02 dated September 22, 1981.

K. To ensure proper rudder travel, within the next 200 hours time in service, replace the rudder hinge fittings with new fittings in accordance with CASA Service Bulletin 212-55-07 dated July 1, 1982.

L. To prevent damage to the wing flap structure, within the next 200 hours time in service, retorque the attachment fitting fasteners in accordance with CASA Service Bulletin 212- 57-12 dated September 22, 1981.

M. To ensure engine fire wall integrity, within the next 200 hours time in service, reduce the clearance space between the engine screen control rods and the firewall at the penetration point in accordance with CASA Service Bulletin 212-73-03, Revision 1, dated July 14, 1982.

N. 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.

O. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections and/or modifications required by this AD.

This amendment becomes effective July 23, 1984.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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