Thu, Oct 28, 2004
More Than Doubles Most Overhaul Intervals
Raytheon Airline Aviation Services (RAAS), in conjunction with
Pratt & Whitney Canada, says it's come up with a 9,000-hour
overhaul interval for the PT6A-67D engines installed on the
Beechcraft 1900D.
Most current operators have overhaul intervals of between 6,000
hours and 8,000 hours, with some able reach 12,000 hours time
between overhauls (TBOs).
"This TBO extension is a significant development that has been
achieved as part of our ongoing efforts to further reduce the cost
of operation of the 1900D, thereby enhancing customer value," said
Mike Scheidt, President of RAAS.
The 9,000-hour TBO is available via PWC service bulletin, and
allows specific engines to extend their overhaul interval to 9,000
hours or 14 years. The latter is particularly important to
low-utilization applications such as corporate shuttles.
Future 1900D deliveries through RAAS will be equipped to qualify
for the new TBO. Existing customers can apply for a TBO extension
by referring to SB14003.
Main elements include:
- Submitting an Operator Qualification Application which
validates the operators’ ability to maintain the engines in
accordance with published procedures
- Ensuring that each engine to be qualified meets the engine
build specification defined in SB14003(or will meet specification
at mid-life inspection)
- Submitting paperwork for each specific engine to be
qualified
- Installing an engine exceedance monitor
- Performing Engine Condition Trend Monitoring (ECTM)
Complete details regarding the TBO extension are available from
Raytheon Airline Aviation Services, and will also be reviewed at
the Beechcraft 1900 Operators Conference, Nov. 2-4, 2004 in Wichita
(KS).
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