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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The HSS bearing vibration (generator side) rose from 2.1 mm/s RMS on 2026-01-05 to 5.2 mm/s RMS on 2026-06-15, above the alarm level of 4.5 mm/s.