Service difficulty report · Keel · Beech 1900D

Difficulty date
April 11, 2002
Submitted
September 12, 2002
Operation
General aviation
Make and model
Beech 1900D
Aircraft time
14,118 hours
Engine
Pwa PT6A67D
Propeller
Hartzl HCE4A3I
Part
Keel
Part number
1149800227
Condition
Worn
Location
Fuselage
Part time
13,799 hours, 15,573 cycles
Stage of operation
IN
How discovered
V
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

(CAN) DURING INVESTIGATION OF A DC LOAD SHARE PROBLEM BETWEEN BOTH GENERATOR FOUND FOUR WIRES CHAFFED IN THE LT NACELLE ON THE OUTBOARD KEEL WEB ASSY. THE DAMMAGE ON THE KEEL WEB WAS DUE TO ELECTRICAL ARCING BETWEEN THE WIRE AND THE KEEL WEB ASSY. NO PROTECTION WAS FOUND ON THE WIRE BUNDLE AND ON THE KEEL WEB. THE BIGGER WIRE IS 6 GAGE AND TRANSMIT THE CURRENT FROM THE LT GEN BUS TO TRIPLE FEED BUS WIRE. THE THREE OTHER CHAFFED WIRE WAS , AVIONIC BUS WIRE, THE STBY FUEL PUMP WIRE, AND THE FORWARD AIR CONDITIONNING BLOWER WIRE. IN ALL CASE NO CIRCUIT BREAKER OR CURRENT LIMITTER OPENED.

More about the Beech 1900D