Longer overhaul intervals for Beech 1900D engines

Raytheon Airline Aviation Services and Pratt & Whitney Canada have announced the availability of a 9,000-hour overhaul interval for the PT6A-67D engines installed on the Beechcraft 1900D. Most 1900s must undergo overhauls at between 6,000 and 8,000 hours.

The TBO, available through a P&WC Service Bulletin, allows operators to extend their overhaul intervals to 9,000 hours or 14 years for low-use applications such as corporate shuttles.

Future deliveries of 1900Ds from Raytheon Aircraft will qualify for the new TBO. Operators of existing aircraft can apply for a TBO extension by referring
to SB14003.

The main elements include:

• submitting an Operator Qualification Application that validates the operator’s ability to maintain the engines in accordance with published procedures;

• ensuring that each engine meets the engine build specification defined in SB14003 (or will meet specification at mid-life inspection);

• submitting paperwork for each specific engine;

• installing an engine exceedance monitor;

• performing engine condition trend monitoring.