Service difficulty report · Battery Pack · Doug DC1030

Difficulty date
December 18, 2000
Submitted
January 12, 2001
Operation
Air carrier
Aircraft
N1858U
Make and model
Doug DC1030
Aircraft serial
46987
Aircraft time
81,091 hours, 20,490 cycles
Engine
Ge CF650C2
Part
Battery Pack
Part number
3F17930501
Condition
Inoperative
Location
Escape Slide
Component
Pressure Indicator · 3F17930501
Stage of operation
NR
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

ESCAPE SLIDE PRESSURE WARNING LIGHT CAME ON AT 4R. *S/D* THE ESCAPE SLIDE PRESSURE WARNING LIGHT WAS FALSELY ILLUMINATED DUE TO CORROSION ON REMOTE PRESSURE INDICATOR BATTERY PACK. A VISUAL INSPECTION OF THE BATTERY PACK CONFIRMED THE PRESENCE OF CORROSION ON CONTACTS AND PARTIAL SEPARATION OF THE BLACK WIRE DUE TO CORROSION. TESTING OF THE BOTTLE PER MM 25-61-03 WAS PERFORMED, AS WELL AS A COLD SOAK OF THE BOTTLE AND SLIDE AT 16 DEGREES AMBIENT TEMPERATURE, CONFIRMING A FULLY CHARGED BOTTLE.REPLACEMENT OF THE BATTERY PACK HARNESS WAS ACCOMPLISHED WHICH RETURNED DOOR 4R SLIDE INDICATION TO SERVICEABLE STATUS.

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