A maintenance technician reported that new circuit breaker collars do not allow the high demand circ...

Narrative:

Engineering order (eo) has us installing blue circuit breakers (circuit breaker) collars to harmonize the fleet. The circuit breaker collars called for in the eo do not allow the high demand cbs on panel 123VU of the airbus fleet to be deactivated. With the collar installed; the circuit breaker can be pushed in and there is no visual indication that it is in due to the way the collar fits. The alternate circuit breaker collar listed in the procedures manual also allows the circuit breaker to be pushed in. This was placed on documentation per procedures manual instruction and cleared with a collar that doesn't lock out the circuit breaker.the eo did not take all different size cbs into consideration. Suggestions: put a hold on performing the eo on any more aircraft until a proper circuit breaker collar can be found.

Original NASA ASRS Text

Title: A Maintenance Technician reported that new circuit breaker collars do not allow the high demand circuit breakers on panel in the Airbus fleet to be deactivated.

Narrative: Engineering Order (EO) has us installing blue circuit breakers (CB) collars to harmonize the fleet. The CB collars called for in the EO do not allow the high demand CBs on panel 123VU of the Airbus fleet to be deactivated. With the collar installed; the CB can be pushed in and there is no visual indication that it is in due to the way the collar fits. The alternate CB collar listed in the Procedures Manual also allows the CB to be pushed in. This was placed on documentation per Procedures Manual instruction and cleared with a collar that doesn't lock out the CB.The EO did not take all different size CBs into consideration. Suggestions: Put a hold on performing the EO on any more aircraft until a proper CB collar can be found.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.

Attributes
ACN	1533808
Time
Date	201804
Local Time Of Day	0001-0600
Place
Locale Reference	ZZZ.Airport
State Reference	US
Aircraft 1
Make Model Name	Airbus Industrie Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	Parked
Component
Aircraft Component	Electrical Wiring & Connectors
Person 1
Function	Technician
Qualification	Maintenance Airframe Maintenance Powerplant
Events
Anomaly	Deviation - Procedural Published Material / Policy

A maintenance technician reported that new circuit breaker collars do not allow the high demand circuit breakers on panel in the airbus fleet to be deactivated.