Airworthiness directives › 2004-12-11
AD 2004-12-11 Airworthiness Directives; Pilatus Aircraft Ltd. Models PC-12 and PC-12/45 Airplanes
Makes named: pilatus. Models named: PC-12, PC-12/45. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
(c) This AD affects Model PC-12 and PC-12/45 airplanes, all serial numbers, that are: (1) equipped with an inboard and/or outboard flap flexshaft, part number (P/N) 945.02.02.203 and/or P/N 945.02.02.204; and (2) certificated in any category.
Required actions
(e) To address this problem, you must do the following. If you already replaced both the inboard and outboard flap flexshafts, P/N 945.02.02.203 and P/N 945.02.02.204, following Pilatus PC12 Service Bulletin No. 27-015, dated June 4, 2003, then paragraph (e)(5) of this AD is the only paragraph that applies to you: Actions Compliance Procedures (1) For affected airplanes with a manufacturer serial number (MSN) of 489 or lower: check the airplane logbook to determine if P/N 945.02.02.203 and P/N 945.02.02.204 inboard and outboard flap flexshafts are installed Within the next 30 days after July 26, 2004 (the effective date of this AD) The owner/operator holding at least a private pilot certificate as authorized by section 43.7 of the Federal Aviation Regulations (14 CFR 43.7) may perform this check. (2) For affected airplanes with a MSN of 490 and above: check the airplane logbook to ensure that P/N 945.02.02.203 and P/N 945.02.02.204 inboard and outboard flap flexshafts have not been installed since delivery Within the next 30 days after July 26, 2004 (the effective date of this AD) The owner/operator holding at least a private pilot certificate as authorized by section 43.7 of the Federal Aviation Regulations (14 CFR 43.7) may perform this check. (3) If you can positively determine that both P/Ns 945.02.02.203 and 945.02.02.204 inboard and outboard flap flexshafts are not installed, then no replacement is required Not Applicable Not applicable. (4) If you cannot positively determine that both P/Ns 945.02.02.203 and 945.02.02.204, inboard and outboard flap flexshafts are not installed, then you must replace each one or both with P/N 945.02.02.205 and P/N 945.02.02.206, as applicable (or a later FAA-approved manufactured part of improved design) Before further flight after the logbook checks required in paragraph (e)(1) and (e)(2) of this AD Follow Pilatus PC12 Service Bulletin No. 27-015 as specified in paragraph (f) of this AD. (5) Do not install inboard and outboard flap flexshafts, P/Ns 945.02.02.203 and 945.02.02.204 As of July 26, 2004 (the effective date of this AD) Not applicable.
Unsafe condition
(d) This AD is the result of mandatory continuing airworthiness information (MCAI) issued by the airworthiness authority for Switzerland. The actions specified in this AD are intended to prevent rupture of the flap flexshafts due to corrosion, which could cause the flap system to become inoperable.
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