SDR 9609111155

Service difficulty report · Bleed Valve · Doug DC1040

Difficulty date
April 21, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N155US
Make and model
Doug DC1040
Aircraft serial
46764
Engine
Pwa JT9D20
Part
Bleed Valve
Part number
8DJ185LWC1
Condition
Malfunctioned
Location
Nr 2 Engine
Stage of operation
DE
Nature of condition
R
Precautionary procedure
O

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

What was found

AT TOP OF DESCENT, THE NR 2 ENGINE EXPERIENCED COMPRESSOR STALL. THE EGT ROSE TO 800 DEGREES AND BACK TO NORMAL WITHIN A MINUTE. ALSO, WITH LOW FUEL FLOW N1 AND N2 WOULD NOT RESPOND TO THROTTLE MOVEMENTS. CREW FOLLOWED COCKPIT OPERATING MANUAL AND CONTINUED FLIGHT TO MSP. VISUAL AND BORESCOPE INSPECTION OF NR 2 ENGINE 6, 7 AND 15TH HPC, 13TH STAGE STATOR WERE NORMAL. REPLACED BLEED VALVE, PRESSURE CONTROL AND EGT INDICATOR.

More about the Doug DC-10-40