EASA SIB CE-12-36: Hawker Beechcraft Corp. Aeroplanes - Improperly Installed Ailerons

What to do

Operators and maintenance personnel should review and adopt the procedures outlined in Hawker Beechcraft Safety Communique 324 dated May 2012 for aileron installation and inspection. They should apply the updated installation method involving loosely installing bolts and performing a pull check before final bolt tightening. No mandatory compliance deadline is specified, but timely adoption is advised to ensure continued airworthiness.

Summary

The Special Airworthiness Information Bulletin SAIB: CE-12-36 is an FAA informational bulletin addressing the issue of improperly installed ailerons on Hawker Beechcraft Corporation airplanes. Affected aircraft include Bonanza models (per TCDS A-777 and 3A15), Baron models (per TCDS 3A16 and A23CE), King Air Series, and 1900 Airliner models except 1900D (per TCDS 3A20, A14CE, A24CE, and A31CE). The bulletin informs operators and maintenance personnel about the potential for improper aileron installation and provides guidance to mitigate this issue.

What changed

This bulletin introduces recommended inspection and installation procedures to identify and prevent improper aileron installation on the affected Hawker Beechcraft airplanes. It highlights a preferred method involving loosely installing two bolts per hinge and performing a pull check before fully tightening bolts, which differs from older maintenance manual instructions. The bulletin also references Hawker Beechcraft Safety Communique 324 from May 2012 as the recommended procedure.

Why it matters

Proper aileron installation is critical for flight control safety and aircraft airworthiness. Aviation professionals, including operators and maintenance organizations, need to be aware of the potential installation errors to prevent control issues that could compromise flight safety. Adopting the recommended procedures reduces the risk of improper installation and enhances maintenance quality and compliance.