AD/HU 269/28 Amdt 3 - Main Rotor Thrust Bearing P/N 269A5050-50 or -51 Nut and Mast - Inspection and Modification Zoe has a public metadata record for this legal instrument, but accepted source text is not available in the agent mirror yet. Canonical page: https://zoelaw.ai/legislation/ad-hu-269-28-amdt-3-main-rotor-thrust-bearing-p-n-269a5050-50-or-51-nut-and-mast-inspection-and-modi