SDR QXEA200800016

Service difficulty report · Warning Light · Bombdr DHC8402

Difficulty date: January 4, 2008
Submitted: January 9, 2008
Operation: Air carrier
Aircraft: N416QX
Make and model: Bombdr DHC8402
Aircraft serial: 4083
Aircraft time: 11,256 hours, 10,548 cycles
System (JASC): 3060 · Propeller/Rotor Anti-Ice/De-Ice System
Part: Warning Light
Condition: False Activation
Location: Prop De Ice Sys
Stage of operation: DE
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

STS- FLIGHT 2468. ON DESCENT OUT OF 16,000, THE PROP DE-ICE CAUTION LIGHT CAME ON. PER THE CHECKLIST, CYCLED THE SWITCH LIGHT DID NOT GO OUT. ONCE THE AIRCRAFT WAS LANDED, THE LIGHT WENT OUT, AND PERFORMED TWO TESTS ON TAXI IN. CHECKS GOOD BOTH TIMES. MAINTENANCE CHECKED THE CDS SYSTEM FOR FAULTS, NO FAULTS FOUND. PERFORMED FUNCTIONAL TEST OF THE PROP HEAT SYSTEM AND VISUAL INSPECTION OF THE PROPELLERS WITH NO FAULTS FOUND. COULD NOT DUPLICATE. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.