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

Detail on parts shortage handling — during shop visits, at engine arrival, and beyond economic repair — has moved to the Overhaul Services page.

View on Overhaul Services

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

PASParts Availability Service
LRULine Replaceable Unit
LRPLine Replaceable Part
OBMOverhaul Base Manager
OHBOverhaul Base

Pro Tip

Promptly deliver shortage parts when notified by AST to minimise shop visit delays and keep engine turn-around times on target.