EASA SIB SW-09-05
Weber Aircraft LLC Model 5150 or 5500 Seats - Leg Saddle Cracking
Summary
The Special Airworthiness Information Bulletin Weber Aircraft LLC Model 5150 or 5500 Seats - Leg Saddle Cracking informs owners and operators of aircraft equipped with Weber Aircraft LLC Model 5150 or 5500 seats about the potential for cracking in the leg saddles. These seats, installed on large transport category airplanes, have leg saddles with part numbers 847367-723 or 847367-725 that may develop cracks due to design and production issues. The bulletin provides guidance on inspection and replacement to maintain seat integrity.
What Changed
This bulletin introduces awareness of cracking issues in the leg saddles of Weber Aircraft LLC Model 5150 and 5500 seats manufactured between July 1, 2000, and September 1, 2002. It updates previous service information by expanding the scope to include Model 5150 seats and recommends periodic inspections and replacement if cracks are found.
Why It Matters
This information is critical for aviation professionals because cracked leg saddles can compromise seat performance and occupant safety. Operators and maintenance organizations need to identify and address this issue to prevent potential injuries and ensure compliance with safety standards. Regular inspections help maintain airworthiness and reduce the risk of in-service failures.
What To Do
Operators should inspect leg saddles with part numbers 847367-723 or 847367-725 manufactured between July 1, 2000, and September 1, 2002, following Weber Aircraft Service Information Letter SIL 2933, Revision 1, dated December 18, 2008. Inspections should be repeated every 12 months, and any cracked saddles must be replaced promptly to maintain safety.
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