GTCP 331-200/250 APU Inspections, Repair and Overhaul

GTCP 331-200/250 APU Solutions

H+S Aviation in Portsmouth, UK provides Honeywell approved service for GTCP 331-200/250 series APU used on Boeing and Airbus commercial aircraft. Through our global network of aircraft engine and APU maintenance facilities and mobile field service units, you can schedule your next APU repair or overhaul event or request on-site repair whenever your GTCP 331 APU need expert service.


Global Engine Services

  • APU overhaul
  • On-site inspection and repair
  • MSP-Authorised
  • APU change (R&R)
  • Borescope/Videoscope inspections
  • Compressor carbon seal replacement
  • Starter clutch replacement
  • Generator pad seal replacement
  • Component and accessory repair & overhaul
  • Troubleshooting

Quality Benefits

  • Mobile AOG service in select areas
  • 24/7 availability
  • APU rental units
  • Fast turn times
  • Global support network
  • Technical support


APU / Aircraft Platforms


Airbus A300 / A310 – GTCP 331-200 / -250

Boeing 757 / 767 – GTCP 331-200 / -250


Airport Service Road

Portsmouth Hampshire
United Kingdom
Tel: +44 (0)23 9230 4000
Fax: +44 (0)23 9230 4020

Request a Quote

Already an H+S Aviation or Dallas Airmotive Customer? Contact your representative.

“As an OEM authorised facility, it delivers the highest quality standards, always willing to look for alternatives for customers regarding materials and repairs. Good customer service.”

— Customer Satisfaction Survey Response

The H+S Aviation and Honeywell Partnership

H+S Aviation has partnered with Honeywell for several decades to provide complete repair and overhaul capabilities for engines and APUs. Whether it’s on-site troubleshooting or in-house overhaul, H+S Aviation has the service you need including AOG parts support, APU rental and exchange units, and technical advice. We are also Honeywell-authorised for warranty repair including component and accessory repair and overhaul.

Contact us whenever you need assistance with your GTCP 331 APU.

GTCP 331-200/250 APU Powered Airframe OEMs We are Proud to Support

OEM Authorised APU  Service-Boeing
OEM Authorised APU Service - Airbus