SDR MWEA010987

Service difficulty report · Actuator · Doug DC982

Difficulty date: June 17, 2001
Submitted: June 18, 2001
Operation: Air carrier
Aircraft: N810ME
Make and model: Doug DC982
Aircraft serial: 48072
Aircraft time: 36,541 hours, 38,690 cycles
System (JASC): 2133 · Pressure Regulator/Outflow Valve
Part: Actuator
Part number: 20219741
Part serial: 1081127
Condition: Inoperative
Location: Tailcone
Stage of operation: CL
Nature of condition: P
Precautionary procedure: A

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

What was found

ON CLIMB 16,000 MSL, UNABLE TO MAINTAIN CABIN PRESSURE BOTH PACKS SHOWED NORMAL, CONTRO VALVE CLOSED, PRIMARY AND STANDBY CONTROLLERS SHOW FAILED. -- PERFORMED BITE AND LOGIC CHECK ON CONTROLLERS, FOUND GOOD. REPLACED OUTFLOW VALVE ACTUATOR.

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