Service difficulty report · Lock Gear · Cvac 580

Difficulty date
May 5, 2002
Submitted
July 30, 2002
Operation
Air carrier
Make and model
Cvac 580
Engine
Allsn 501D13
Part
Lock Gear
Part number
8575472
Condition
Wrong Part
Location
Ssc
Component
Ssc · Woodward · 6873466
Stage of operation
IN
How discovered
V
Nature of condition
W
Precautionary procedure
K

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

What was found

(CAN) SPEED SENSITIVE CONTROL , RECD FOR FOLLOWING COMPLAINT, "RT ENGINE QUIT ACCELERATING AT 3200 RPM WITH NO FUEL FLOW OR TIT. NO FUEL FOGGING VISIBLE FROM COCKPIT WITH TEMP DATUM (TD) IN NULL MODE." SSC FUNCTIONALLY TESTED UNSERVICEABLE WITH LOW NR 1 SWITCH ACCELERATION LIMITS. NR 1 SWITCH COVER REMOVED & LOW SPEED SPRING ADJUSTED TO INCREASE RPM. AT POINT MILITARY LOCKING GEAR, P/N 8575472, FOUND INSTALLED IN UNIT. P/N IS NOT IN 1R C4 PARTS MANUAL&IS ONLY FOUND ON MILITARY S/S CONTROLS. MILITARY PART REMVD&CORRECT COMMERCIAL P/N 7007186 LOCK GEAR INSTALLED INTO UNIT.THE MILITARY GEAR DID NOT ADVERSELY AFFECT TE FUNCTION OF SSC 2 GEARS ARE PHYSICALLY SIMILAR&PERFORM SAME FUN