Piper PA-42 Cheyenne III — Service Bulletins
2 service bulletins references for the Piper PA-42 Cheyenne III.
This Airworthiness Bulletin (AWB) addresses the lubrication of the landing gear for various Piper Aircraft models, including the PA-42 Cheyenne III. It highlights a safety concern regarding the main landing gear down-lock assembly, particularly in the context of Australian operational conditions. The bulletin stems from an incident involving a PA-31-350 Chieftain where inadequate lubrication led to a failure in landing gear deployment. The document recommends more frequent inspections and lubrication intervals to mitigate risks associated with landing gear failures. It emphasizes compliance with Piper Service Letter SL 755 and provides guidance on the appropriate maintenance practices for ensuring safe operation of the landing gear system.
- The bulletin applies to multiple Piper models, including the PA-42 Cheyenne III.
- Inadequate lubrication of the landing gear down-lock assembly can lead to serious operational failures.
- Operators should inspect and lubricate landing gear components every 50 hours, rather than the previous 100-hour interval.
- Compliance with Piper Service Letter SL 755 is strongly recommended to ensure safety.
- All incidents related to landing gear failures should be reported to CASA for safety monitoring.
