B747-400
Communication Breakdown; Situational Awareness; Time Pressure
Aircraft Equipment Problem Less Severe; Deviation / Discrepancy - Procedural FAR; Deviation / Discrepancy - Procedural Maintenance; Deviation / Discrepancy - Procedural Published Material / Policy
General None Reported / Taken
Company Policy; Human Factors
I was given an assignment to complete when I arrived for my work shift. My lead asked me to look into [a specific] Non-Routine.I looked up the paperwork to repair the conduit as requested by my lead; and went out to inspect the extent of the damage. After I inspected the extent of the damage; I let my lead know that the conduit required replacement In Accordance With (IAW) the Boeing Standard Wiring Practices Manual (BSWPM). He told me it's okay just repair it; to which I refused to do because the manuals says that any damage MORE than 25 percent of the circumference requires replacement. He told me I just need to do it because the Line Maintenance Manager told him to get it repaired. At this point I handed my lead the paperwork and said I would not repair it; so I was put on another task. My lead proceeded to instruct one of our unlicensed mechanics to repair it by placing Teflon tape inside the conduit and filling it with red silicone and taping the outside of the conduit up. My lead annotated on the paperwork the following:1) ASSESSED DAMAGE TO L/H BODY GEAR CONDUIT; FOUND TO MEET CONDITIONS FOR REPAIR AS DESCRIBED PER BSWPM 2) NO DAMAGE EXISTS TO WIRES OR CONVOLUTED TUBE AS DESCRIBED IAW BSWPM 3) REPAIRED METAL OVERBRAID WITH NO DEFECTS IAW BSWPM
A Maintenance Technician disagreed with a Lead Technician on the use of an electrical conduit repair based upon the extent of the damage.