Vulcanair (Partenavia) P.68 Series Aeroplanes

AD/P68/22 Amdt 5	Wing Lower Front and Rear Spar Assemblies	6/2019

Applicability:	This AD applies to all Partenavia P68 series aircraft up to and including serial number 356, other than aircraft that CASA excluded from the operation ofAD/P68/22 Amdt 4.
Requirement:	1. Inspect the wing front and rear spars for cracks in accordance with the Inspection Instructions in Partenavia Service Bulletin No. 65 Revision 3 (the SB), as in force at the commencement date of this AD.Note 1: Aircraft on which the rear spar modification was accomplished before the issue of AD/P68/22 Amdt 3 require further repetitive inspections of the wing rear spar, unless the rear spar has been modified in accordance with AD/P68/22 Amdt 3, 4 or 5.2. Modify the front and rear spar in accordance with the Repair Instructions in the SB and the following requirements:(a) Modifications to front or rear spars, reinforcement plates and fasteners must be wet assembled with jointing compound or sealant (Hylomar SQ-32, PR1436G, PR1422 or similar) to prevent corrosion;(b) The Avdel 5/32" diameter blind rivets specified on Partenavia rear spar drawing R-0081 cannot be locked without using a special pulling head which is not readily available in Australia. Substitution of 3/16" diameter high strength structural rivets or close-tolerance steel bolts is required. Some approved types are listed below. Grip lengths are not specified because of variations between individual assemblies. This list is not exhaustive, but alternative types will require approval from CASA under reg 39.004 of the CASR.Rivets (Hole size .192"/.196")Cherrymax CR3523P-6Bulbed Cherrylock CR2539P-6Bulbed Cherrylock CR2839CW-6Cherrylock CR2663CW-6Cherrylock CR2563-6Bolts (Hole size .1895"/.1915")NAS 1103AN173AN173C (however AN173 is preferred)
Compliance:	1. For aircraft which have achieved 1800 hours’ time in service - within 25 hours’ time in service after 20 September 1984, and thereafter at intervals not exceeding 500 hours’ time in service, or;For aircraft which have not achieved 1800 hours’ time in service - before achieving 1800 hours’ time in service, and thereafter at intervals not exceeding 500 hours’ time in service;Note 2: An inspection carried out in accordance with AD/P68/22 Amdt 1, 2, 3 or 4 is taken to be an inspection for this AD.Note 3: Inspection of the wing front spar is not required where the front spar has been modified in accordance with AD/P68/22 Amdt 1, 2, 3, 4 or 5.Note 4: Inspection of the wing rear spar is not required where the rear spar has been modified in accordance with AD/P68/22 Amdt 3, 4 or 5.2. If cracks are detected in a spar, before further flight.

Applicability:

This AD applies to all Partenavia P68 series aircraft up to and including serial number 356, other than aircraft that CASA excluded from the operation ofAD/P68/22 Amdt 4.

Requirement:

1. Inspect the wing front and rear spars for cracks in accordance with the Inspection Instructions in Partenavia Service Bulletin No. 65 Revision 3 (the SB), as in force at the commencement date of this AD.Note 1: Aircraft on which the rear spar modification was accomplished before the issue of AD/P68/22 Amdt 3 require further repetitive inspections of the wing rear spar, unless the rear spar has been modified in accordance with AD/P68/22 Amdt 3, 4 or 5.2. Modify the front and rear spar in accordance with the Repair Instructions in the SB and the following requirements:(a) Modifications to front or rear spars, reinforcement plates and fasteners must be wet assembled with jointing compound or sealant (Hylomar SQ-32, PR1436G, PR1422 or similar) to prevent corrosion;(b) The Avdel 5/32" diameter blind rivets specified on Partenavia rear spar drawing R-0081 cannot be locked without using a special pulling head which is not readily available in Australia. Substitution of 3/16" diameter high strength structural rivets or close-tolerance steel bolts is required. Some approved types are listed below. Grip lengths are not specified because of variations between individual assemblies. This list is not exhaustive, but alternative types will require approval from CASA under reg 39.004 of the CASR.Rivets (Hole size .192"/.196")Cherrymax CR3523P-6Bulbed Cherrylock CR2539P-6Bulbed Cherrylock CR2839CW-6Cherrylock CR2663CW-6Cherrylock CR2563-6Bolts (Hole size .1895"/.1915")NAS 1103AN173AN173C (however AN173 is preferred)

Compliance:

1. For aircraft which have achieved 1800 hours’ time in service - within 25 hours’ time in service after 20 September 1984, and thereafter at intervals not exceeding 500 hours’ time in service, or;For aircraft which have not achieved 1800 hours’ time in service - before achieving 1800 hours’ time in service, and thereafter at intervals not exceeding 500 hours’ time in service;Note 2: An inspection carried out in accordance with AD/P68/22 Amdt 1, 2, 3 or 4 is taken to be an inspection for this AD.Note 3: Inspection of the wing front spar is not required where the front spar has been modified in accordance with AD/P68/22 Amdt 1, 2, 3, 4 or 5.Note 4: Inspection of the wing rear spar is not required where the rear spar has been modified in accordance with AD/P68/22 Amdt 3, 4 or 5.2. If cracks are detected in a spar, before further flight.

Vulcanair (Partenavia) P.68 Series AeropVulcanair (Partenavia) P.68 Series Aeroplanes

Get a plain-English read of Vulcanair (Partenavia) P.68 Series Aerop

Vulcanair (Partenavia) P.68 Series Aeroplanes