<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>4cao</author><text>That&amp;#x27;s a good point.&lt;p&gt;As far as I know, newer B77* generally use GE or RR engines. The PW ones are old at this point, and also represent the smallest and decreasing share, so most planes of this type aren&amp;#x27;t affected. United (or one of its predecessors) was an early customer, and I think PW was the only engine option at launch.&lt;p&gt;(Not my area of expertise, so I&amp;#x27;d appreciate a correction if I got something wrong.)</text><parent_chain><item><author>JCM9</author><text>Technically they’re grounding the Pratt &amp;amp; Whitney engine model that happens to be attached to their aircraft.&lt;p&gt;When one buys a big jet you pick out what engine you want to buy and slap onto it. It’s a particular engine they’re concerned about, not the 777 airframe itself.</text></item></parent_chain></comment><story><title>Korean Air, Asiana to ground Boeing 777 after engine incident</title><url>http://www.koreaherald.com/view.php?ud=20210222001051</url></story>
<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>arnon</author><text>The P&amp;amp;W-powered 777 is just one variant.&lt;p&gt;British Airways for example went with GE90s, and some airlines like El Al went with Rolls Royce Trent 800s.</text><parent_chain><item><author>JCM9</author><text>Technically they’re grounding the Pratt &amp;amp; Whitney engine model that happens to be attached to their aircraft.&lt;p&gt;When one buys a big jet you pick out what engine you want to buy and slap onto it. It’s a particular engine they’re concerned about, not the 777 airframe itself.</text></item></parent_chain></comment><story><title>Korean Air, Asiana to ground Boeing 777 after engine incident</title><url>http://www.koreaherald.com/view.php?ud=20210222001051</url></story>