Parts Availability Service
Parts provision, availability, and shortage management under TotalCare
Service Overview
The Parts Availability Service (PAS) ensures that required parts are available to support engine maintenance activities, both on-wing and during shop visits at Overhaul Bases. Parts availability is a critical component of the TotalCare Services Agreement.
Provision of Parts under TotalCare
Under the TotalCare Agreement, Rolls-Royce is responsible for the provision of parts as defined in the contract. This includes:
- Provision of Parts as defined in the TotalCare Agreement
- Required labour: strip, in-house repair, rebuild, and work recording
- Outside specialist repair
- Associated overhaul base charges (service fees, handling fees, test fees, pool charges)
LRU/LRP Parts Availability
Rolls-Royce shall:
- Provide the Customer with a LRU/LRP availability Service Level Guarantee at Main Base
- Provide an agreed level of Initial Provisioning to support the Customer's operation of Aircraft
- Define the list of LRU/LRPs that are repairable and not repairable
Parts Shortage Management
During Shop Visits
- The OHB will aim to return the same unit to the Engine from which it was removed
- If a part/LRU is not available at kitting, the OHB will seek assistance via the Rolls-Royce OBM
- The RR OBM will review options with AST, Customer, and LRU Management team
- Weekly shortage updates are provided by the OHB during shop visits
Shortages at Engine Arrival
- RR AST notifies the Customer of any shortages or damages
- Customer to deliver shortage parts if spares are available
- Damage is investigated jointly by Customer and RR AST
Parts Beyond Economic Repair
If a part/LRU is deemed beyond economic repair, the Rolls-Royce OBM will agree replacement options with the Rolls-Royce AST, Customer, and the LRU Management team as appropriate.
Parts Documentation
At Engine Dispatch
- Life Limited Part summary and integral parts list (part number, serial number, TSN, life remaining)
- Parts shortage list
- Accessory on-off log
- PMA/DER statements (only if applicable)
Exchange LRU Documentation
- EASA Form 1 and/or FAA form 8130
- Part Number & Serial Number
- Time Since New (TSN) / Time Since Overhaul (TSO)
- Cycles Since New (CSN) / Cycles Since Overhaul (CSO)
- Detailed reason for last removal including shop visit report
Reference
Refer to Schedule 4 Part 1 of the TotalCare Agreement for full details on parts provision obligations.
Key Stakeholders
RR AST
Coordinates shortage resolution
RR OBM
Reviews replacement options
LRU Management
Specialist parts team
OHB
Provides weekly shortage updates
Key Timelines
Shortage Updates
Weekly during shop visits
Exchange LRU
14 days SLA (Trent XWB)
Abbreviations
Pro Tip
Promptly deliver shortage parts when notified by AST to minimise shop visit delays and keep engine turn-around times on target.