AAR90 From United States of America, joined Jan 2000, 3474 posts, RR: 47
Reply 4, posted (4 years 6 months 1 week 3 days 9 hours ago) and read 1504 times:
Quoting kl911 (Reply 3): Why does an engine need anti-ice systems? Isn't an engine in flight very hot?
Not near the front of the engine. IIRC, 767 Engine Anti-Ice provides heat to the leading edge of the engine cowling. One can operate the plane without it, but the plane can not enter ETOPS operations without maintenance first addressing the issue. Hence, the return to FRA and subsequent re-departure.
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