SDR QXEA0200005

Service difficulty report · Sensor · Dhav DHC8*

Difficulty date: January 7, 2002
Submitted: January 7, 2002
Operation: Air carrier
Aircraft: N401QX
Make and model: Dhav DHC8*
Aircraft serial: 4031
Aircraft time: 1,764 hours, 2,123 cycles
System (JASC): 5270 · Door Warning System
Part: Sensor
Condition: Malfunctioned
Location: Emergency Exit
Stage of operation: CL
How discovered: O
Nature of condition: N
Precautionary procedure: A

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

What was found

BOI - IN FLIGHT, THE MASTER WARNING FOR THE FUSELAGE DOOR SYSTEMS CAME ON INTERMITTENTLY WHILE CLIMBING THROUGH 16,000 FT, AND WAS CONTINUOUS AT 24,000 FT. THE FUSELAGE DOORS SYSTEM PAGE INDICATED THE EMERGENCY EXIT. AIRCRAFT RETURNED TO FIELD. MAINTENANCE COMPLIED WITH INSPECTION OF UPPER EMERGENCY EXIT PROXIMITY SENSOR. FOUND TO BE OKAY. CLEANED AND LUBED SENSOR PLUNGER. GROUND RAN AND PRESSURIZED AIRCRAFT. NO DISCREPANCIES NOTED. AIRCRAFT RETURNED TO SERVICE.