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ATA 63 – Main Rotor Drive – Main Gearbox Bearing Lock Nut – Replacement

AD NO.
2021-0121
SUBJECT
ATA 63 – Main Rotor Drive – Main Gearbox Bearing Lock Nut – Replacement
APPLICABILITY
AB139 and AW139 helicopters
ISSUED BY
EASA

เอกสารแนบ

20210504-EASA_AD_2021_0121-1
File updated date: 4 May 2021
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File size: 239 KB