Source page: 8D report INC-2026-006 - Repeated gearbox oil over-temperature on WTG-07 (revision 2026-07-10) · Original file: original.docx · Provenance: ✓ quote verified (native text)
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Why 3 - Why did the fan run slowly? The bearing of the fan motor LWS-P-30418 had failed; the motor current was 35 % above nominal.