On-Wing Services
Content CompleteOWS support for engine maintenance tasks and tool loan services
Service Overview
This document outlines the processes and procedures for how Customer Airlines raise a request for Rolls-Royce On-Wing Services (OWS) support for any engine maintenance task on or off-site.
Note: Not all OWS requests are free of charge — coverage depends on the request and the relevant contract.
Task Support
Mechanic deployment for engine maintenance tasks
Tool Loan
Specialized tooling — including Emergency Tooling — available for loan to customers
Contact AST
CustomerCustomer contacts AST who liaises with OWS
Submit CRF
CustomerCustomer fills in the Customer Request Form (CRF) and passes it to the AST, who liaises with OWS
Technical Vetting
Rolls-RoyceOWS GPT vets technicality and reviews CRF details
Select Service Provider
Rolls-RoyceOWS GPT coordinates with the AST and OWS, and the service provider, based on capability, capacity, tooling, and proximity
Coordinate Deployment
CombinedOWS GPT coordinates with Customer and Service Provider for mechanic deployment
Issue Notification
Rolls-RoyceCustomer receives Notification of Services (NoS) as formal acceptance
Task Completion
Service ProviderHardcopy release certificate issued (EASA Form 1 by default, or other NAA upon request)
Service Provider Selection Criteria
For Awareness — Local Authority & Site Requirements
Local authority approval may be required per region. Contact your AST for further information on requirements such as airside passes, visas for personnel, forms, and access to a safe and suitable work area to complete the task. The OWS may have their own bullet-pointed list of requirements.
Customer Request Form (CRF) Structure
The CRF is divided into key sections. All relevant sections must be completed before submission.
Section A — Operational Details
Completed by Customer
- Owner & Operator
- Aircraft Registration
- Engine Position & Type
- Engine Serial No., TSN, CSN
- AOG Status
- Availability Dates/Times
- Task Location
- ETOPS Applicability
- Visa / Airport Pass Requirements
Section B — Workscope of Task
Completed by Customer
- Requested Task Description
- Technical Data Reference (EOM/EMM/AMM/SB/FRS/TV)
- Revision No. & Date
- EASA / FAA Airworthiness Directives
- Approval Required (EASA/FAA)
- Customer Paperwork & Log Book Entry
- Engine Incident Report
- Tooling, Parts & Consumables Supply
Section C — Billing Information
Commercial Coverage
Please ensure the commercial coverage for your OWS request is covered and discussed with your AST prior to submission of the request — not everything is covered.
- TC / CC — TotalCare / Corporate Care Contract
- Commercial Authorisation (CA)
- Time & Material (T&M)
- RR Other
OWS Work Order Management — Workflow
The platform stack underpinning OWS work-order management — from request submission through reporting.
Interface
RR Portal / Power Apps
Request Planning Application — customer-facing Power Apps interface delivered through the Rolls-Royce Portal. Used to create new requests, manage drafts, view submitted requests and the OWS dashboard.
Database
Microsoft SharePoint List
Central data store for all OWS work-order records. Provides controlled user access to the main database backing the request, work-order, and instruction data.
Reporting
Power BI
On-Wing Services Global Ops Dashboard — operational and performance visualisation including geographic distribution, status breakdown, and KPI tracking.
Resource Locations
UK
Majority of OWS inventory
Hong Kong
Regional resource location
Singapore
Regional resource location
Required Forms
CRF
Customer Request Form (for tasks)
CRF NA
Customer Request Form — North America variant
TRF
Tool Request Form (for loans)
Tool Shortages
OWS will check inventory for requested tools. If there are shortages, OWS GPT will inform the Customer, who will need to provide the tool.
Submission Routing
Submit all CRF / TRF requests via your AST. Your AST is the single point of liaison with OWS for both task requests and tool loans.
Pro Tip
Engage your AST early to ensure mechanic and tool availability. Additional documentation may be required based on Service Provider quality system requirements.