Service difficulty report · Compressor Case · Boeing 727225

Difficulty date
February 5, 1996
Submitted
March 26, 2000
Operation
General aviation
Make and model
Boeing 727225
Engine
Pwa JT8D7B
Part
Compressor Case
Part number
766933001
Condition
Failed
Location
#3 Engine
Stage of operation
CL
Nature of condition
O
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) ON DEPARTURE THE CREW OBSERVED HIGH N2, HIGH FUEL FLOW AND HIGH EGT AND AN ABNORMALLY HIGH ACCELERATION RATE ON #3 ENGINE. THE AIRCRAFT DIVERTED. POST FLIGHT INSPECTION FOUND THE 12 O'CLOCK POSITION 8TH STAGE BLEED VALVE HAD SEPARATED FROM THE COMPRESSOR CASE ALONG THE WELD SEAM OF THE MOUNTING PAD FOR THE VALVE. THE VALVE ASSEMBLY WAS FOUND IN THE AFT PORTION OF THE ENGINE, LODGED AGAINST THE MIXER ASSEMBLY.