GWR, with an inequality in pay and working conditions between cleaners employed directly by GWR and those outsourced to Servest UK. Two 24-hour strikes were held from 06:00 on 16 and 23 December, followed by a 48-hour strike from 06:00 on 19 January 2017. Further industrial action was suspended by the RMT following the January strike as a result of an improvement in ongoing negotiations between the RMT, GWR and Servest UK. The dispute was formally resolved in July 2017, as RMT members voted in favour of accepting a new pay deal. The temporary withdrawal of IETs In April 2021, cracks were discovered in the yaw damper brackets (part of the suspension system) of and InterCity Express Trains (IETs). Eight trains were withdrawn from service and an investigation started into the cause. On 8 May, all these trains and similar ones operated by other companies were taken out of service. Cracks had now been found in the lifting pads (a component fixed near the bogie) and it was feared that if these were to fall off they may cause injury or derailment. The only IETs that were permitted to operate were those which had been carefully inspected and found to have no significant cracks. This meant that most of GWR's 93 IETs were unavailable which led to significant disruption to long-distance services. s operated additional services from London Paddington to which were later extended to and after approval was given for them to operate in service on this route. Three additional 387s were loaned from c2c and were modified to work with GWR's fleet, mostly on services to . CrossCountry operated a service on behalf of GWR from Swindon to and the few available 800s and 802s were concentrated on services west of Swindon and to . Plans were agreed on 13 May to increase inspections of the lifting pads and yaw dampers so that more trains could be returned to service. A further six Class 387s were loaned from Govia Thameslink Railway in July 2021 and used in a common pool with GWR's existing 387/1 fleet, being surplus to requirements while the Gatwick Express service was suspended. Rolling stock Great Western Railway inherited a fleet of InterCity 125 sets (Class 43 power cars and Mark 3 Coaches) and locomotives and Mark 3 sleeper coaches from BR. In 2006, it inherited a fleet of and units from First Great Western