Airworthiness directives › 2004-06-10
AD 2004-06-10 Airworthiness Directives; AeroSpace Technologies of Australia Pty Ltd Airplanes
Applicability*9
(c) This AD affects the following airplane models and line sequence numbers (serial numbers) that are certificated in any category: Models Line sequence No. (1) N22B and N22S 1 through 9, 11 through 29, 31, 33, 35, 37, 39 through 41, 43, 45, 47 through 59, 61, 63, 65 through 70, 82 through 88, 90 through 95, 97, 100, 102 through 114, 116, 118, 125, 126, 131 through 134, 136 through 138, 141, and 143 through 170. (2) N24A 10, 30, 32, 34, 36, 38, 42, 44, 46, 60, 62, 64, 71 through 81, 89, 96, 98, 99, 101, 115, 117, 119 through 124, 127 through 130, 135, 139, 140, and 142.
Required actions
(e) To address this problem, you must do the following: Actions Compliance Procedures (1) Perform a general visual inspection of the forward face of the rear fuselage frame for cracks. For airplanes that have not been repaired as described in the service bulletin: Inspect within 50 hours time in service (TIS) after April 28, 2004 (the effective date of this AD), if not already inspected. Repetitively inspect every 100 hours TIS thereafter until the modification in paragraph (e)(4) of this AD is done. Do the inspection following Section 2.A of Nomad Service Bulletin ANMD-53-15. (See paragraph (f) of this AD for a list of effective pages.) For airplanes that have been repaired as described in the service bulletin: Inspect within 500 hours TIS after repair or next 100 hours TIS after April 28, 2004 (the effective date of this AD), whichever occurs later. Repetitively inspect every 100 hours TIS thereafter until the modification in paragraph (e)(4) of this AD is done. (2) Perform a detailed visual inspection of the aft face of the rear fuselage frame for cracks. For airplanes that have been repaired as described in the service bulletin: Inspect within 500 hours TIS after repair or 100 hours TIS after April 28, 2004 (the effective date of this AD), whichever occurs later. Repetitively inspect every 300 hours TIS thereafter or until the modification in paragraph (e)(4) of this AD is done. Do the inspection following Section 2.A of Nomad Service Bulletin ANMD-53-15. (See paragraph (f) of this AD for a list of effective pages.) (3) Repair any cracks found during any general or detailed inspection required by this AD. If any cracks are found during a general or detailed inspection, the airplane must be repaired before further flight. See compliance for modification below. Do repairs following Section 2.B of Nomad Service Bulletin ANMD-53-15. (See paragraph (f) of this AD for a list of effective pages.) (4) Modify the airplane by installing AeroSpace Technologies of Australia Modification N806. For airplanes that have not been repaired before the effective date of this AD: Modification is mandatory within 100 hours TIS or 12 months after April 28, 2004 (the effective date of this AD), whichever occurs first. Modification terminates the inspection requirements of this AD. Do modification following Section 2.C of Nomad Service Bulletin ANMD-53-15. (See paragraph (f) of this AD for a list of effective pages.) For aircraft that have been repaired before the effective date of t his AD: Modification is mandatory within 3,000 hours TIS after incorporation of the repair or 18 months after April 28, 2004 (the effective date of this AD), whichever occurs later. Modification terminates the inspection requirements of this AD. (f) The Aerospace Technologies of Australia Pty Ltd has issued the Nomad Alert Service Bulletin ANMD-53-15, which incorporates the pages as specified in paragraph (h) of this AD.
Unsafe condition
(d) This AD is the result of reports of cracks around the rivet heads on the rear bulkhead frame. The actions specified in this AD are intended to detect and correct cracks in the rear fuselage bulkhead. The cracks could result in failure of the fuselage rear bulkhead and consequent loss of structural integrity.
Affected ADs
(b) None.
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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