SDR 97ZZZX1888

Service difficulty report · Wire · Beech 60

Difficulty date
April 4, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N799SC
Make and model
Beech 60
Aircraft serial
067
Part
Wire
Condition
Melted
Location
Nr 1 Dc Bus
Part time
793 hours
Stage of operation
IN
How discovered
C
Nature of condition
O
Precautionary procedure
K

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

What was found

UNABLE TO REMOVE POWER FROM NR 1 RT DC BUS. FOUND BUTT SPLICES (NYLON) AT P10 ON FRAME 26A WIRE NR P26A10T, P31B10T, P175A10, MELTED TOGETHER. WIRE P175A10 COMES FROM THE AIRSTART LIMITER IN THE GENERATOR CONTROL PANEL. THE AIRSTART LIMITER GETS ITS POWER FROM THE RT BATTERY THROUGH THE RT EMERGENCY BUS RELAY. THE SPLICES JOIN THE 10 GAUGE WIRE TO 12 GAUGE WIRE WHERE IT GOES THROUGH P10. THE SPLICES WERE REPLACED IAW LEAR SIL 20-002. A SB ON THE SUBJECT IS FORTHCOMING.

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