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SDR HNAA2015031600096

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Service difficulty report · Control Box · Dhav DHC8102

FAA SDR system

Difficulty date
March 16, 2015
Submitted
March 16, 2015
Operation
Air carrier
Aircraft
N812EX
Make and model
Dhav DHC8102
Aircraft serial
312
Aircraft time
55,965 hours, 62,308 cycles
System (JASC)
3350 · Emergency Lighting
Part
Control Box
Part number
DH103024600C
Condition
Faulty
Location
Emergency Lights
Stage of operation
TO
How discovered
9
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

EMERGENCY LIGHTS CAME ON AFTER TAKEOFF APPROXIMATELY 3 TIMES IN A 10 MINUTE SPAN. CHECKED C/B'S, RT SEC PANEL: EMERGENCY LIGHTS C3 AND FEEDERS, C10.D10 AND E10. CHECKED C/B IN DC CONTACTOR BOX, RT SEC. 2431-CB67, CB68 AND CB69. ALL CHECKED GOOD FOR POWER AND CONTINUITY. FOUND F/A SWITCH 3351-S2 CONTINUIY FAULTY. R & R SWITCH. ALSO, FOUND EMERGENCY LIGHTS CONTROL BOX FAULTY, SUSPECT INTERNAL DIODES AND CAPS. OPS CHECKED GOOD IAW 33-52-00.