EASA SIB 2015-09: Fokker 70/100 Aeroplanes — Cargo Compartment Fire Extinguishing Bottles Electrical Wiring

What to do

Operators of affected Fokker 70 and Fokker 100 aeroplanes should perform a one-time inspection of the electrical wiring of the cargo compartment fire extinguishing bottles following the instructions in Fokker Services Service Bulletin SBF100-26-024. Any incorrect wiring or connector issues found must be corrected accordingly. There is no mandatory compliance deadline stated, but timely action is recommended to ensure safety.

Summary

EASA Safety Information Bulletin 2015-09 addresses the electrical wiring inspection of cargo compartment fire extinguishing bottles on Fokker 70 and Fokker 100 aeroplanes. The bulletin applies specifically to F28 Mark 0070 and Mark 0100 aircraft modified to meet certain operational requirements involving cargo smoke detection and fire suppression systems. It informs operators about a discovered wiring issue that could cause incorrect discharge of fire extinguishing bottles in cargo compartments.

What changed

EASA SIB 2015-09 introduces a one-time inspection requirement for the electrical wiring of cargo compartment fire extinguishing bottles on affected Fokker 70/100 aeroplanes. The bulletin highlights an incident where electrical connectors were incorrectly interchanged due to improper wire length, potentially causing discharge errors. It provides instructions from Fokker Services Service Bulletin SBF100-26-024 to detect and correct wiring issues.

Why it matters

This bulletin is important for aviation professionals because incorrect wiring of fire extinguishing bottles could compromise fire suppression effectiveness in cargo compartments, posing a safety risk. Operators and maintenance organizations must ensure proper wiring to prevent inadvertent discharge and maintain compliance with operational safety standards. Addressing this issue helps maintain the reliability of fire suppression systems and supports regulatory compliance.