Japan's Ministry of Land, Infrastructure and Transport announced the finding after an investigation by Pratt & Whitney found that repairing cracks found in the engines of Japan Airlines' MD-81 and MD-87 aircraft by using nickel alloy to wax into the cracks on the engine's stator vanes
was not appropriate.
IECO, now in its fourth year of operation, is a joint venture, owned equally by Rolls-Royce and SIAEC, and is a specialist facility overhauling nozzle guide vanes and compressor stator vanes
for both Trent and RB211 engines.
It had wedged itself flat against the stator vanes
located mere inches from the compressor section and had been held in place by the suction of the engine.
in April, has been entrusting the work to repair stator vanes
to a P&W subsidiary in Singapore since 1999.
According to Stern, the parts are impingement baffles which are welded into the engines' stator vanes
Based on pump jet principles, it features fixed stator vanes
and a nozzle that act together to guide the water flow across the impeller blades, substantially enhancing propulsion efficiency.
ITR will also have the capability to perform comprehensive compressor vane repairs on JT8D stator vanes
, it said.
Under the terms of the agreement ITR will have the capability to perform comprehensive Compressor Vane Repairs on JT8D Stator Vanes
Under the agreement, ITR will also have the capability to perform comprehensive Compressor Vane Repairs on JT8D Stator Vanes
The Midlands-based company will supply engine sector stator vanes
for the new Trent 900, launch engine for the A380 Airbus, and annulus fillers for a range of engines including the Trent, BRR and RB211.
At the 10,000-square-meter plant, facilities for coating gas turbine combustors, rotor blades and stator vanes
will be the first to operate.
Japan Airlines said on 13 August that the aircraft engine had apparently taken damage to its turbine blades and stator vanes