B767 Undifferentiated or Other Model
Maintenance Powerplant; Maintenance Airframe
Communication Breakdown
Aircraft Equipment Problem Less Severe; Deviation / Discrepancy - Procedural Maintenance; Deviation / Discrepancy - Procedural Published Material / Policy; Deviation / Discrepancy - Procedural FAR; Ground Event / Encounter Ground Equipment Issue
Air Traffic Control Provided Assistance; Flight Crew Landed As Precaution; Flight Crew Returned To Departure Airport; General Flight Cancelled / Delayed; General Maintenance Action
Equipment / Tooling; Procedure; Aircraft
After being notified by Management & Safety about Aircraft X air return was due to a (new) nose gear down lock safety pin installed and 5 each (normal equipment) were found in E&E (electronics bay) equipment stowage. The ETOPS inspection was performed with no need for the use of 5 each landing gear down lock safety pins. At no time was red streamer visible during ETOPS inspection.
Technician reported a B767 air turnback was caused by an additional NLG safety pin left installed.