SDR 97ZZZX3501

Service difficulty report · Start Control · Beech 100BEECH

Difficulty date
July 24, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N77PF
Make and model
Beech 100BEECH
Aircraft serial
B70
Part
Start Control
Part number
1003641781
Condition
Burned
Location
Air Cond System
Stage of operation
NR
Nature of condition
M
Precautionary procedure
O

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

What was found

INVESTIGATION FOR INOPERABLE AIR CONDITIONER FOUND BREAKER WOULD NOT RESET. IN ADDITION, RADAR WIRING, WAVE GUIDE, AND AIR CONDITIONER CONTROL BOX AND WIRES MELTED. FOUND THE 1-AMP CIRCUIT BREAKER TO THE A/C CONTROL BOX HAD BEEN REPLACED WITH A 2-AMP BREAKER. PROTECTION FOR AIR CONDITIONER START CONTROL WAS LOST CAUSING RESISTOR TO OVERHEAT AND DAMAGE OTHER COMPONENTS. SUBMITTER STATED IMPROPER PARTS REPLACEMENT COULD CAUSE A POTENTIAL FIRE PROBLEM.