5938 6111 6782 7906 8019 AL12 AL41 Y641.

Main rotor blade P/N 369D21100-509, -509M Serial numbers:

<table cellspacing="0" cellpadding="0" style="margin-left:103.1pt; border-collapse:collapse"><tbody><tr style="height:13.5pt"><td style="width:31pt; vertical-align:top"><p class="TableParagraph" style="margin-left:2.5pt; line-height:12.55pt"><span style="font-size:12pt; letter-spacing:-0.2pt">0145</span></p></td><td style="width:33pt; vertical-align:top"><p class="TableParagraph" style="margin-right:4.4pt; margin-left:0pt; text-align:right; line-height:12.55pt"><span style="font-size:12pt; letter-spacing:-0.2pt">0156</span></p></td><td style="width:33pt; vertical-align:top"><p class="TableParagraph" style="margin-right:2.45pt; text-align:center; line-height:12.55pt"><span style="font-size:12pt; letter-spacing:-0.2pt">0200</span></p></td><td style="width:33pt; vertical-align:top"><p class="TableParagraph" style="margin-right:2.45pt; text-align:center; line-height:12.55pt"><span style="font-size:12pt; letter-spacing:-0.2pt">0219</span></p></td><td style="width:164.35pt; vertical-align:top"><p class="TableParagraph" style="margin-left:4.45pt; line-height:12.55pt"><span style="font-size:12pt">0243</span><span style="font-size:12pt; letter-spacing:2.8pt"> </span><span style="font-size:12pt">0278</span><span style="font-size:12pt; letter-spacing:1.35pt"> </span><span style="font-size:12pt">0641</span><span style="font-size:12pt; letter-spacing:1.4pt"> </span><span style="font-size:12pt">0798</span><span style="font-size:12pt; letter-spacing:1.35pt"> </span><span style="font-size:12pt; letter-spacing:-0.2pt">0996</span></p></td><td style="width:30pt; vertical-align:top"><p class="TableParagraph" style="margin-right:3.75pt; margin-left:0pt; text-align:right; line-height:12.55pt"><span style="font-size:12pt; letter-spacing:-0.2pt">1310</span></p></td><td style="width:33pt; vertical-align:top"><p class="TableParagraph" style="margin-right:1.2pt; text-align:center; line-height:12.55pt"><span style="font-size:12pt; letter-spacing:-0.2pt">1391</span></p></td><td style="width:31.65pt; vertical-align:top"><p class="TableParagraph" style="margin-right:0.6pt; margin-left:3.2pt; text-align:center; line-height:12.55pt"><span style="font-size:12pt; letter-spacing:-0.2pt">1645</span></p></td></tr><tr style="height:13.75pt"><td style="width:31pt; vertical-align:top"><p class="TableParagraph" style="margin-left:2.5pt"><span style="font-size:12pt; letter-spacing:-0.2pt">1663</span></p></td><td style="width:33pt; vertical-align:top"><p class="TableParagraph" style="margin-right:4.4pt; margin-left:0pt; text-align:right"><span style="font-size:12pt; letter-spacing:-0.2pt">1792</span></p></td><td style="width:33pt; vertical-align:top"><p class="TableParagraph" style="margin-right:2.45pt; text-align:center"><span style="font-size:12pt; letter-spacing:-0.2pt">1798</span></p></td><td style="width:33pt; vertical-align:top"><p class="TableParagraph" style="margin-right:2.45pt; text-align:center"><span style="font-size:12pt; letter-spacing:-0.2pt">1858</span></p></td><td style="width:164.35pt; vertical-align:top"><p class="TableParagraph" style="margin-left:4.45pt"><span style="font-size:12pt">1891</span><span style="font-size:12pt; letter-spacing:2.8pt"> </span><span style="font-size:12pt">2482</span><span style="font-size:12pt; letter-spacing:1.35pt"> </span><span style="font-size:12pt">2639</span><span style="font-size:12pt; letter-spacing:1.4pt"> </span><span style="font-size:12pt">2842</span><span style="font-size:12pt; letter-spacing:1.35pt"> </span><span style="font-size:12pt; letter-spacing:-0.2pt">3200</span></p></td><td style="width:30pt; vertical-align:top"><p class="TableParagraph" style="margin-right:3.75pt; margin-left:0pt; text-align:right"><span style="font-size:12pt; letter-spacing:-0.2pt">3238</span></p></td><td style="width:33pt; vertical-align:top"><p class="TableParagraph" style="margin-right:1.2pt; text-align:center"><span style="font-size:12pt; letter-spacing:-0.2pt">3910</span></p></td><td style="width:31.65pt; vertical-align:top"><p class="TableParagraph" style="margin-right:0.6pt; margin-left:3.2pt; text-align:center"><span style="font-size:12pt; letter-spacing:-0.2pt">3819</span></p></td></tr><tr style="height:13.5pt"><td style="width:31pt; vertical-align:top"><p class="TableParagraph" style="margin-left:2.5pt; line-height:12.55pt"><span style="font-size:12pt; letter-spacing:-0.2pt">3980</span></p></td><td style="width:33pt; vertical-align:top"><p class="TableParagraph" style="margin-right:4.4pt; margin-left:0pt; text-align:right; line-height:12.55pt"><span style="font-size:12pt; letter-spacing:-0.2pt">4573</span></p></td><td style="width:33pt; vertical-align:top"><p class="TableParagraph" style="margin-right:2.45pt; text-align:center; line-height:12.55pt"><span style="font-size:12pt; letter-spacing:-0.2pt">5043</span></p></td><td style="width:33pt; vertical-align:top"><p class="TableParagraph" style="margin-right:2.45pt; text-align:center; line-height:12.55pt"><span style="font-size:12pt; letter-spacing:-0.2pt">5076</span></p></td><td style="width:164.35pt; vertical-align:top"><p class="TableParagraph" style="margin-left:4.45pt; line-height:12.55pt"><span style="font-size:12pt">5120M</span><span style="font-size:12pt; letter-spacing:2.75pt"> </span><span style="font-size:12pt">5121</span><span style="font-size:12pt; letter-spacing:-0.15pt"> </span><span style="font-size:12pt">5162</span><span style="font-size:12pt; letter-spacing:1.3pt"> </span><span style="font-size:12pt">5303</span><span style="font-size:12pt; letter-spacing:1.35pt"> </span><span style="font-size:12pt; letter-spacing:-0.2pt">5491</span></p></td><td style="width:30pt; vertical-align:top"><p class="TableParagraph" style="margin-right:5.05pt; margin-left:0pt; text-align:right; line-height:12.55pt"><span style="font-size:12pt; letter-spacing:-0.25pt">901</span></p></td><td style="width:33pt; vertical-align:top"><p class="TableParagraph" style="margin-right:3.25pt; margin-left:2pt; text-align:center; line-height:12.55pt"><span style="font-size:12pt; letter-spacing:-0.2pt">5977</span></p></td><td style="width:31.65pt; vertical-align:top"><p class="TableParagraph" style="margin-right:1.9pt; margin-left:1.9pt; text-align:center; line-height:12.55pt"><span style="font-size:12pt; letter-spacing:-0.2pt">6298</span></p></td></tr><tr style="height:13.8pt"><td style="width:31pt; vertical-align:top"><p class="TableParagraph" style="margin-left:2.5pt; line-height:12.3pt"><span style="font-size:12pt; letter-spacing:-0.2pt">7766</span></p></td><td style="width:33pt; vertical-align:top"><p class="TableParagraph" style="margin-right:4.4pt; margin-left:0pt; text-align:right; line-height:12.3pt"><span style="font-size:12pt; letter-spacing:-0.2pt">8042</span></p></td><td style="width:33pt; vertical-align:top"><p class="TableParagraph" style="margin-right:2.45pt; text-align:center; line-height:12.3pt"><span style="font-size:12pt; letter-spacing:-0.2pt">8168</span></p></td><td style="width:33pt; vertical-align:top"><p class="TableParagraph" style="margin-right:2.45pt; text-align:center; line-height:12.3pt"><span style="font-size:12pt; letter-spacing:-0.2pt">8495</span></p></td><td style="width:164.35pt; vertical-align:top"><p class="TableParagraph" style="margin-left:4.45pt; line-height:12.3pt"><span style="font-size:12pt">8684</span><span style="font-size:12pt; letter-spacing:1.3pt"> </span><span style="font-size:12pt">M3668</span><span style="font-size:12pt; letter-spacing:1.35pt"> </span><span style="font-size:12pt">M3910</span><span style="font-size:12pt; letter-spacing:1.35pt"> </span><span style="font-size:12pt; letter-spacing:-0.1pt">M4100</span></p></td><td colspan="3" style="width:94.65pt; vertical-align:top"><p class="TableParagraph" style="margin-left:4.1pt; line-height:12.3pt"><span style="font-size:12pt">M4369</span><span style="font-size:12pt; letter-spacing:1.3pt"> </span><span style="font-size:12pt; letter-spacing:-0.1pt">M4499.</span></p></td></tr></tbody></table>