Airworthiness directives › 2009-07-06
AD 2009-07-06 Airworthiness Directives; Hamilton Sundstrand Propellers Model 568F Propellers
Applicability*9
This AD applies to Hamilton Sundstrand Propellers model 568F propellers with blades, part numbers (P/Ns) R815505R2, R815505R3, R815505R4, R815505S2, and R815505S3, that have a serial number (SN) listed in Table 1 of this AD, installed. These propellers are installed on, but not limited to, ATR-GIE Avions de Transport Regional ATR-42-400 and -500, ATR72-210A, -500, and Construcciones Aeronauticas, S.A. C-295 airplanes. Table 1—Affected Propeller Blades by SN 31 33 34 37 40 43 105 230 259 265 277 278 403 747 1007 1031 1510 1515 1803 1813 1823 1834 1917 2072 2299 2300 2383 2459 2460 2462 2464 2469 2470 2473 2492 2510 2535 2577 2625 20010731 20010732 20010917 20020568
Compliance
You are responsible for having the actions required by this AD performed within 30 days after the effective date of this AD. Removing Blades P/Ns R815505R2, R815505R3, R815505R4, R815505S2, and R815505S3 (f) Remove from service blades, P/Ns R815505R2, R815505R3, R815505R4, R815505S2, and R815505S3, that have a SN listed in Table 1 of this AD. Alternative Methods of
Unsafe condition
This AD results from reports of blades with corrosion pits in the tulip area of the blades. We are issuing this AD to prevent cracks from developing in the tulip area of the blade, which could result in separation of the blade and loss of airplane control.
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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