SDR 95ZZZX5640

Service difficulty report · Capacitor · Cessna 414A

Difficulty date
September 14, 1995
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N135BG
Make and model
Cessna 414A
Aircraft serial
414A0419
Engine
Cont TSIO520NB
Part
Capacitor
Part number
M3816
Condition
Corroded
Location
Lock Ring
Part time
105 hours
Component
Slick · 6320
Stage of operation
NR
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

MAGNETO FAILED, REMOVED AND DISASSEMBLED AND FOUND SEVERE CORROSION ON DISTRIBUTOR GEAR, PN M-3056, ROTOR GEAR, PN 3828, POINT SET M3081 AND CAPACITOR, PN M-3816. CAUSE OF FAILURE WAS LOCK RING HOLDING PIG TAIL ON CAPACITOR TERMINAL HAD CORRODED AND SPLIT LETTING PIG TAIL CONTACT HOUSING AND SHORTING OUT POINTS. SUBMITTER STATED IT IS CLEAR THIS IS BEING CAUSED BY PRESSURIZATION OF MAGNETOES OFF TURBOCHARGER. PRESSURIZATION LINES SHOULD BE REMOVED.

More about the Cessna 414A