AD 89-03-08

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AD Number:
89-03-08
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
EMPRESA BRASILEIRA DE AERONAUTICA, S.A. (EMBRAER) Model EMB-120 Series Airplanes
Subject:
Navigation Systems
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
02/15/1989
Make:
Embraer - Empresa Brasileira de Aeronautica S.A.
Model:
EMB-120 | EMB-120RT
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Superseded AD: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Superseded By: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:
Updated RGL applicability to match AD applicability; CAR C-11-185
AIRWORTHINESS DIRECTIVES FINAL RULES: 89-03-08
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-6129

AD NUMBER:   89-03-08

SUBJECT HEADING:   EMPRESA BRASILEIRA DE AERONAUTICA, S.A. (EMBRAER) Model EMB-120 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective February 15, 1989.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   89-03-08 EMPRESA BRASILEIRA DE AERONAUTICA, S.A. (EMBRAER): Amendment 39-6129.
Applicability: Model EMB-120 series airplanes, as listed in Embraer Service Bulletin 120-024-0031, dated October 21, 1988, certificated in any category.
Compliance: Required as indicated, unless previously accomplished.
To prevent the loss of essential navigation systems, accomplish the following:
A. Within the next 25 hours time-in-service after the effective date of this AD, accomplish the following, in accordance with Embraer Service Bulletin 120-024-0031, dated October 21, 1988:
1. Install self-locking nuts, P/N LN9161-05, to secure the No. 1 and No. 2 auxiliary generator control voltage sensor wires to the connecting bars at
relays K0035 and K0036.
2. Install placard 120-47147-001 on the left-hand relay box cover. The placard shall state, "USE LN9161-05 NUTS FOR K0035 AND K0036 IN PLACE OF ORIGINAL NUTS. SEE MAINTENANCE MANUAL 24-52-00."
B. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Atlanta Aircraft Certification Office, FAA, Central Region.
NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector (PMI), who may add any comments and then send it to the Manager, Atlanta Aircraft Certification Office.
C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD.
All persons affected by this directive who have not already received the appropriate service information from the manufacturer may obtain copies upon request to EMBRAER, 276 S.W. 34th Street, Fort Lauderdale, Florida 33315. This information may be examined at FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or FAA, Central Region, Atlanta Aircraft Certification Office, 1669 Phoenix Parkway, Suite 210C, Atlanta, Georgia.
This amendment (39-6129, AD 89-03-08) becomes effective February 15, 1989.

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