PPS Revision Notice #2017-029M
PPS 15.06 Issue 8 - Electrochemical Etch Marking of Aircraft Parts and AssembliesSummary of Changes:
- Added new sub-section 3.1 and para. 3.1.1, to ensure correct usage of reference specifications.
- Created new sub-section 3.2, to identify PPS document references as Bombardier Toronto (de Havilland) process specifications.
- Created new sub-section 3.3, to identify government specifications.
- Revised MIL-STD-792 title to match current title of MIL-STD 792 Rev. F.
- Added new para. 4.1.1, to prevent inappropriate material substitution.
- Reclassified stencils, gloves and wiping cloths as equipment instead of materials.
- Replaced reference to use of F13 Type 3 for protection of carbon and low allow steels with reference to use of F13 Grade 3 Type I (ref. para. 5.7.1).
- Clarified references to use of hot air guns in the Procedure (section 5) to specify setting of the hot air gun to 160¯F maximum (ref. para. 5.6.1 Step 5 and para. 5.6.2).
- Added para. 7.1, to clarify applicability of the safety precautions specified herein.
- Added para. 7.5, to advise turning off hot air guns when not in use.
- Added para. 7.6, to advise use of a hot air gun which includes a power interrupt feature and add provisions to be followed if the hot air gun doesn't have a power interrupt feature.
- Rounded up the lower limit for storage temperature from 15.5C to 16C in para. 9.1 and para. 9.2.
This revision notice lists brief summaries of technical changes introduced for each of the revised PPS's. Please note that these summaries are not detailed and are intended only to assist in alerting users to changes which may affect them; refer to the applicable PPS for authorized, detailed procedure and requirements.
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