Service difficulty report · Clamp · Doug MD88

Difficulty date
August 23, 2006
Submitted
August 25, 2006
Operation
Air carrier
Aircraft
N904DE
Make and model
Doug MD88
Aircraft serial
53409
Aircraft time
39,018 hours, 29,662 cycles
Part
Clamp
Part number
U34529005
Condition
Failed
Location
Duct
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

CLIMBING OUT OF FL320, FLOW LIGHT ILLUMINATED. CABIN WAS CLIMBING AT 1500 FPM. IMMEDIATE DESCENT AS STARTED. RIGHT PACK PRESSURE -0-, LEFT PACK PRESSURE 3500 PSI. RT PACK TEMP CONTROLLER AT 10 O'CLOCK POSITION, LEFT WAS IN MANUAL COLD. CABIN PRESSURE WAS STILL UNCONTROLLABLE. EMERGENCY DESCENT MASK, PASSENGER, DEPLOYED. CABIN REGAINED AFTER LEVEL OFF. FOUND V-BAND CLAMP, RIGHT WATER SEPARATOR, FAILED. REPLACED CLAMP, SEPARATOR BAGS. LEAK CHECKS GOOD. CLAMP P/N U3452-9005.

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