SDR HALA9800369

Service difficulty report · Valve · Doug DC951

Difficulty date: October 26, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N660HA
Make and model: Doug DC951
Aircraft serial: 48122
System (JASC): 2130 · Cabin Pressure Control System
Part: Valve
Part number: 39613011
Condition: Malfunctioned
Location: Accessory Bay
Stage of operation: DE
Nature of condition: O
Precautionary procedure: O

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

What was found

ITO - FLT 182 - AT TOP OF DESCENT FROM FL 250, UNABLE TO MAINTAIN CABIN PRESSURIZATION WITH LESS THAN CRUISE POWER AND OUTFLOW VALVE FULLY CLOSED IN MANUAL. REMOVED AND REPLACED FLOW CONTROL VALVE ASSEMBLY. OPS CHECK, LEAK CHECK OK ON GROUND RUN. (M)

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