Service difficulty report · Splice · Dhav DHC8301

Difficulty date
November 30, 2002
Submitted
January 21, 2003
Operation
Air carrier
Make and model
Dhav DHC8301
Aircraft time
27,202 hours
Engine
Pwa PW123
Propeller
Hamstd 14SF15
Part
Splice
Part number
3200562
Condition
Burned
Location
Psu
Part time
28,909 hours, 32,013 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) WHILE COMPLETING FLEET CAMPAIGN H126 FOR PSU WIRING INSPECTION, MX FOUND EVIDENCE OF OVERHEATING AND CORROSION ON SEVERAL OF THE SUBJECT WIRE SPLICES. DAMAGE PRESENT AT BOTH LT AND RT SIDE PSU DISTRIBUTION WIRING FOR CABIN READING LIGHTS. SPLICES 3320E69, 3320E52, 3320E38, 3320E22 REPLACED. WIRES 33242G142 ON RT SIDE AND 33241L142 (LT SIDE) WERE HEAT DAMAGED AT SPLICES, AND TEMP REPAIR CARRIED OUT DUE TO LACK OF REPLACEMENT WIRE. WC 1170 WAS RAISED TO CARRY OUT PERMANENT REPAIR.