SDR 9719209882

Service difficulty report · Controller · Doug DC951

Difficulty date
October 12, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N670MC
Make and model
Doug DC951
Aircraft serial
47659
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

AT FLIGHT LEVEL 350, RED MASTER WARNING AND CABIN ANNUNCIATOR LIGHTS ILLUMINATED. CABIN PRESSURE OBSERVED AT 10,000 FEET, MASKS WERE NOT DEPLOYED. EXECUTED RAPID DESCENT PROCEDURES TO 8,000 FEET, CONTINUED TO ORIGINAL DESTINATION AND LANDED WITHOUT INCIDENT. DEFERRED AUTOMATIC PRESSURIZATION CONTROL SYSTEM AND LATER REPLACED CABIN PRESSURE CONTROLLER, CABIN PRESSURE AMPLIFIER, AND PRE-PRESSURE CONTROLLER. OPERATIONAL CHECK OK.

More about the Doug DC-9-51