EASA SIB 2006-06R2
WITHDRAWN / CANCELLED - SEE EXPLANATION IN REMARKS
Summary
The EASA Safety Information Notice No. 2006 – 06 Revision 2 addresses issues with 3rd Stage Low Pressure Turbine Blades P/N 798403 installed on Pratt & Whitney engine models JT8D-219 and JT8D-217C. The notice highlights failures of these blades repaired by Chromalloy Southwest between September 30, 2005 and September 11, 2006, which led to in-flight shutdowns. It provides updated recommendations following the reopening of the repair process after an internal investigation.
What Changed
This revision excludes blades repaired by Chromalloy Southwest after the repair line reopened on September 12, 2006, from the safety recommendations. It updates the applicability and instructions based on new information from Chromalloy's investigation and repair process resumption.
Why It Matters
This notice is critical for operators and maintenance organizations using Pratt & Whitney JT8D-219 and JT8D-217C engines, as it identifies a safety risk related to turbine blade failures that can cause engine shutdowns. Compliance ensures continued airworthiness and safety by preventing the use of potentially defective repaired parts.
What To Do
Operators should return any 3rd stage LPT blades repaired by Chromalloy Southwest between September 30, 2005 and September 11, 2006 that are not yet installed to Chromalloy. Engines with these blades installed and having less than 500 hours or 200 cycles since overhaul must have the blades removed from service promptly. Contact Chromalloy Southwest Customer Service for further guidance.
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