Don't let your engines end up on the DERB list! Some operators are experiencing the unfortunate effects of long-term storage when proper engine preservation procedures have not been followed.
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If you have not completed PW SB 26243R2, then P&W recommends Part A of the SB be completed at the next convenient opportunity.
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Honeywell Service Bulletins 72-3747 and 72-5208 have been released to provide the installation of updated LPT 3 blades.
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SB A66021 supersedes SB A66019, calling for replacement of the bypass valves in PW617F-E engines.
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Released on Oct 14, 2009, SB A63069R1 recommends a visual inspection of the fuel filter bypass valve.
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Due to problems with the Tower Shaft Bearing, this SB has been released to change the Oil Filter Analysis interval in Specific Identified Engines.
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The P&W Service Bulletin 30382 introduces a seal between the turbine exhaust case and the turbine exhaust mixer assembly to keep hot exhaust gases from sensitive areas.
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Pratt & Whitney recently released SB30393, recommending that the Electronic Engine Control (EEC) support brackets be replaced within 300 hours to help eliminate problems due to vibratory stresses.
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"The crew aboard our F2000 has reported an ugly odor in the cabin on the last three or four flights during start, climb and descent. I’m having trouble isolating the source of this odor"...
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Service Bulletin SB25353 allows the remaining PW306C operators to have the new carbon face seal put in their engines. Before installing the carbon face seal at the gear shaft location, the gear shaft must be replaced or modified by removing it from the gearbox
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