SDR C7GR861J

Service difficulty report · Manifold

Difficulty date
August 20, 2004
Submitted
August 20, 2004
Operation
General aviation
Engine
Lyc LTS101750B1
Engine time
4,351 hours, 16,711 cycles
Part
Manifold
Part number
419110003
Part serial
980416811221
Condition
Misinstalled
Location
Pt Module
Part time
900 hours, 2,173 cycles
Component
Pt Module · Honeywell
Component part number
414100050
Stage of operation
IN
How discovered
9
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

LTS101-750B-1 ENGINE, SN: LE-48166BEF WAS RECEIVED BY THIS REPAIR STATION (CRS NR C7GR861J) FOR ROUTINE MAINTENANCE. SINCE WE HAD RECEIVED SOME NEW MANIFOLD ASSEMBLIES WITH IMPROPERLY TORQUED BOLTS (16 EA) THAT SECURE EIGHT COVERS ON THE INJECTOR BLOCKS, DECIDED TO PERFORM A TORQUE CHECK ON THIS FUEL MANIFOLD (TSN = 900 HRS). BREAKAWAY TORQUES AS LOW AS 18 IN/LB WAS OBSERVED. THE PROPER TORQUE IS 40-45 IN/LB. THIS CONDITION HAS BEEN REPORTED TO HONEYWELL, PHOENIX FOR PROPER INVESTIGATION AND RESOLUTION.