Airworthiness directives › 2004-09-39
AD 2004-09-39 Airworthiness Directives; Saab Model SAAB 340B Series Airplanes Equipped with Hamilton Sundstrand Propellers
Models named: SAAB 340B series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
Model SAAB 340B series airplanes equipped with Hamilton Sundstrand propellers, certificated in any category. Note 1: This AD applies to each airplane identified in the preceding applicability provision, regardless of whether it has been modified, altered, or repaired in the area subject to the requirements of this AD. For airplanes that have been modified, altered, or repaired so that the performance of the requirements of this AD is affected, the owner/operator must request approval for an alternative method of compliance in accordance with paragraph (c) of this AD. The request should include an assessment of the effect of the modification, alteration, or repair on the unsafe condition addressed by this AD; and, if the unsafe condition has not been eliminated, the request should include specific proposed actions to address it.
Compliance
Required as indicated, unless accomplished previously. To prevent erroneous tripping of the remote controlled circuit breakers (RCCB) (even though an overload condition does not exist), premature failure of the RCCBs, loss of power to the feather pump system, and consequent reduced controllability of the airplane; accomplish the following: Inspection and Replacement, If Necessary (a) Within 6 months after the effective date of this AD, perform a one-time inspection of RCCB 29KFC located in electrical compartment 407VU, and RCCB 30KFC located in electrical compartment 408VU, to identify the part number (P/N), per the Accomplishment Instructions of Saab Service Bulletin 340-61-038, dated January 30, 2002. (1) If both RCCBs are identified as P/N M83383-01-09, no further action is required by this paragraph. (2) If any RCCB is identified as P/N M83383-02-07, prior to further flight, replace the RCCB with an RCCB having P/N M83383-01-09, per the service bulletin. Part Installation (b) As of the effective date of this AD, no person shall install P/N M83383-02-07 at RCCB 29KFC in electrical compartment 407VU, or RCCB 30KFC in electrical compartment 408VU, on any airplane equipped with Hamilton Sundstrand propellers. Alternative Methods of Compliance (c) 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, International Branch, ANM-116, Transport Airplane Directorate, FAA. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, International Branch, ANM-116. Note 2: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the International Branch, ANM-116. Special Flight Permits (d) Special flight permits may be issued in accordance with sections 21.197 and 21.199 of the Federal Aviation Regulations (14 CFR 21.197 and 21.199) to operate the airplane to a location where the requirements of this AD can be accomplished. Incorporation by Reference (e) The actions shall be done in accordance with Saab Service Bulletin 340-61-038, dated January 30, 2002. 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 Saab Aircraft AB, SAAB Aircraft Product Support, S-581.88, Linköping, Sweden. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call (202) 741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html . Note 3: The subject of this AD is addressed in Swedish airworthiness directive 1-172, dated January 31, 2002. Effective Date (f) This amendment becomes effective on June 15, 2004. Issued in Renton, Washington, on April 29, 2004. Kevin M. Mullin, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 04-10372 Filed 5-10-04; 8:45 am] BILLING CODE 4910-13-P
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1