SDR CHQA200800011

Service difficulty report · Handle · Cndair CL6002B19

Difficulty date: January 20, 2008
Submitted: January 24, 2008
Operation: Air carrier
Aircraft: N639BR
Make and model: Cndair CL6002B19
Aircraft serial: 7313
Aircraft time: 18,830 hours, 16,263 cycles
Engine: Ge CF343B1
Engine time: 18,632 hours, 15,863 cycles
System (JASC): 5240 · Service Doors
Part: Handle
Condition: Not Closed
Location: Service Door
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

IAH TO BTR - AFTER TAKEOFF CREW RECEIVED AN"OVBD COOL" EICAS MESSAGE. THE CREW NOTICED THAT THE CABIN PRESSURE WAS ABNORMAL AND PROCEEDED TO THE UNPRESSURIZED FLIGHT PROCEDURE. WITH THE AIRCRAFT AT 4,000FT AND THE CABIN ALTITUDE AT 2,300FT THE "EMER DEPRESS SWITCH" WAS PRESSED AND THE CABIN PRESSURE EQUALIZED. THE FLIGHT RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND FOUND THE SERVICE DOOR HANDLE NOT PROPERLY STOWED. AFTER CYCLING THE DOORS THE PRESSURE SYSTEM OPERATED NORMALLY.