EASA SIB NM-14-20
Boeing 747-8F Aeroplanes modified by Telair International, Inc. STC ST02367LA — Cargo Compartments
Summary
The Boeing 747-8F Aeroplanes modified by Telair International, Inc. STC ST02367LA — Cargo Compartments is a Special Airworthiness Information Bulletin (SAIB NM-14-20) issued by the FAA. It addresses an airworthiness concern related to the cargo handling system on Boeing 747-8F aircraft modified with this supplemental type certificate. The bulletin informs operators about potential uncontrolled movement of Unit Load Devices (ULDs) during cargo loading operations due to Power Drive Units entering sleep mode.
What Changed
This bulletin introduces awareness of a cargo handling system issue where PDUs may enter sleep mode and fail to detect ULD movement, potentially allowing uncontrolled rolling of cargo. It references Boeing and Telair International service bulletins that provide updated software and procedural fixes to mitigate this issue. The bulletin does not mandate regulatory action but recommends compliance with the service information.
Why It Matters
This information is critical for operators and maintenance teams to prevent uncontrolled cargo movement that could cause injury during loading operations. Understanding and addressing this issue helps maintain safe cargo handling and operational safety on Boeing 747-8F aircraft modified by Telair International. Compliance with the recommended service bulletins ensures the cargo handling system functions correctly and reduces risk.
What To Do
Operators of Boeing 747-8F aircraft modified by Telair International STC ST02367LA should promptly implement the procedures outlined in the referenced Boeing and Telair International service bulletins. These include installing updated cargo handling system software and reworking identification and software version plates. The FAA recommends completing these actions at the earliest opportunity to mitigate the risk of uncontrolled ULD movement.