Service difficulty report · Lead · Cessna 560CESSNA

Difficulty date
October 15, 2015
Submitted
April 22, 2016
Operation
General aviation
Make and model
Cessna 560CESSNA
Aircraft time
2,905 hours
Engine
Pwa PW535A
Part
Lead
Condition
Damaged
Location
Ignitor
Part time
3,122 hours
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
E

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

What was found

(CAN) CREW REPORTED INABILITY TO START NR 2 ENGINE. 2 ATTEMPTS WERE MADE IN FULL AUTO. CARRIED OUT ENGINE "DRY-MOTOR", ATTEMPTED "MANUAL" START. ENGINE MOTORED TO CORRECT N2 BUT AFTER IGNITION, CREW ABORTED START DUE UNUSUALLY HIGH TRENDING START TEMP. INVESTIGATION FOUND THAT INBOARD IGNITION LEAD WAS "SPARKING" OUT OF HARNESS ATTACH POINT RATHER THAN AT IGNITION PLUG TIP. DURING THIS CHECK FOUND OUTBOARD LEAD INTERMITTENTLY OPERATING IN THE SAME WAY DRIED IGNITOR PLUGS AND INSTALLED ON NEW SAME P/N LEADS. CARRIED OUT BOTH FULL AUTO AND MANUAL ENGINE STARTS. BOTH STARTSWERE NORMAL. NB- HAS A SB THAT ADDRESSES THIS ISSUE WITH A NEW PN LEADS AND WE HAD PREVIOUSLY ADDED THE SB COMPLIANCE TO THE NEXT MAINTENANCE INPUT.