AD 93-07-12

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AD Number:
93-07-12
Document Type:
AD Final Rules
Docket Number:
91-CE-36-AD
Subject Heading:
FAIRCHILD AIRCRAFT (formerly Swearingen Aircraft Corporation) SA226-T, A226-T(B), SA226-AT, SA226-TC...Show more
Subject:
Horizontal Stabilizer Rear Spar Inspection
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
05/28/1993
Make:
M7 Aerospace LLC
Model:
SA226-AT | SA226-T | SA226-TC | SA226-T(B) | SA227-AC (C-26A) | SA227-AT | SA227-TT
Product Type:
Aircraft
Product Subtype:
Small/Large Airplane
Affected AD:
Superseded AD:
74-24-02
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 93-07-12
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   91-CE-36-AD

AMENDMENT:   39-8544

AD NUMBER:   93-07-12

SUBJECT HEADING:   FAIRCHILD AIRCRAFT (formerly Swearingen Aircraft Corporation) SA226-T, A226-T(B), SA226-AT, SA226-TC, SA227-TT, SA227-AC and SA227-AT Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective May 28, 1993.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
93-07-12 FAIRCHILD AIRCRAFT (formerly Swearingen Aircraft Corporation): Amendment 39-8544. Docket No. 91-CE-36-AD. Supersedes AD 74-24-02, Amendment 39-2529.

Applicability: The following model and serial number airplanes, certificated in any category:

Models	Serial Numbers
SA226-T, SA226-T(B)
SA226-AT, and SA226-TC	all serial numbers
SA227-TT	TT421 through TT527
SA227-AC	AC406, AC415, AC416,
AC420 through AC509, and
AC511 through AC530
SA227-AT	AT423 through AT524

Compliance: Required as indicated after the effective date of this AD, unless already accomplished.

To prevent failure of the horizontal stabilizer rear spar, which could result in loss of control of the airplane, accomplish the following:

(a) Within the next 50 hours time-in-service (TIS), unless already accomplished within the last 450 hours TIS, and thereafter at intervals not to exceed 500 hours TIS until the modification required by paragraph (b) of this AD is accomplished, dye penetrant inspect the horizontal stabilizer rear spar at the left and right outboard elevator hinge bracket attachment for cracks in accordance with the ACCOMPLISHMENT INSTRUCTIONS section of Fairchild Aircraft Service Bulletin (SB) 226-55-005, Issued: August 15, 1985, Revised: January 7, 1991; or Fairchild Aircraft SB 227-55-002, Issued: August 15, 1985, Revised: October 13, 1988, as applicable.

(b) If cracks are found in the horizontal stabilizer rear spar, prior to further flight, repair any crack in accordance with a repair scheme obtained from the manufacturer through the Manager, Fort Worth Airplane Certification Office, at the address specified in paragraph (f) of this AD.

(c) Within the next 2,200 hours TIS, modify the outboard hinge in accordance with the ACCOMPLISHMENT INSTRUCTIONS section of Fairchild Aircraft SB 226-55-005, Issued: August 15, 1985, Revised: January 7, 1991; or Fairchild Aircraft SB 227-55-002, Issued: August 15, 1985, Revised: October 13, 1988, as applicable.

(d) The accomplishment of the modification required by paragraph (c) of this AD is considered terminating action for the repetitive inspection requirement of this AD. This modification may be accomplished at any time prior to 2,200 hours TIS.

(e) 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.

(f) An alternative method of compliance or adjustment of the initial or repetitive compliance times that provides an equivalent level of safety may be approved by the Manager, Airplane Certification Office, FAA, Fort Worth, Texas 76193-0150. The request shall be forwarded through an appropriate FAA Maintenance Inspector, who may add comments and then send it to the Manager, Fort Worth Airplane Certification Office.

NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Fort Worth Airplane Certification Office.

(g) The inspections and modification required by this AD shall be done in accordance with Fairchild Aircraft Service Bulletin 226-55-005, Issued: August 15, 1985, Revised: January 7, 1991; or Fairchild Aircraft Service Bulletin 227-55-002, Issued: August 15, 1985, Revised: October 13, 1988, as applicable. 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 Fairchild Aircraft, P.O. Box 790490, San Antonio, Texas 78279-0490. Copies may be inspected at the FAA, Central Region, Office of the Assistant Chief Counsel, Room 1558, 601 E. 12th Street, Kansas City, Missouri, or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC.

(h) This amendment (39-8544) supersedes AD 74-24-02, Amendment 39-2529, which superseded AD 74-18-14, Amendment 39-1950.

(i) This amendment becomes effective on May 28, 1993.

FOOTER: