SDR 9601422761

Service difficulty report · Controller · Boeing 7272M7

Difficulty date: January 20, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N721RW
Make and model: Boeing 7272M7
Aircraft serial: 21200
System (JASC): 2131 · Cabin Pressure Controller
Part: Controller
Condition: Failed
Location: Cabin
Stage of operation: CR
Nature of condition: J
Precautionary procedure: B

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

What was found

DURING FLIGHT, LOST CABIN PRESSURE AT FL 350. AN EMERGENCY DESCENT TO 8,000 FEET WAS MADE, LAST 150 MILES FLOWN AT 8,000 FEET. AIRCRAFT LANDED WITHOUT INCIDENT AT MSP. PERFORMED PRESSURIZATION LEAK CHECK. REPLACED AUTO PRESSURE CONTROLLER AND CONTROL PANEL. PERFORMED FUNCTIONAL CHECK AND SYSTEM OK FOR SERVICE.

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