Requirement: | 1. Verify the serial number of the horizontal stabiliser in accordance with Part I of BHTC Alert Service Bulletin (ASB) 407-06-72 original issue, or later Transport Canada approved revision. If the horizontal stabiliser installed on the helicopter has a serial number listed below, accomplish Requirement 2. Affected Serial Numbers: BP725, -750, -751, -752, -753, -756, -758, -760, -765, -769, -770, -771, -775, -776, -778, -779, -780, -781, -785, -787, -788, -789, -790, -795, -796, -797, -800, -801, -802, -803, -805, -829. 2. Inspect the affected parts in accordance with Part II of ASB 407-06-72 original issue, or later Transport Canada approved revision. If damaged parts are detected during any inspection, replace the parts before further flight. If parts are not damaged, repeat the inspection. 3. Replace the affected horizontal stabiliser in accordance with Part III of ASB 407-06-72 original issue, or later Transport Canada approved revision. Note: Transport Canada AD CF-2007-03 refers. |