Service difficulty report · Igniter · Cirrus SR22

Difficulty date
November 4, 2023
Submitted
November 6, 2023
Operation
General aviation
Aircraft
N842WT
Make and model
Cirrus SR22
Aircraft serial
4025
Part
Igniter
Part number
29556001
Part serial
032311980
Condition
Faulted
Location
Zone 100
Component
Caps · Cirrus
Component part number
29500406
Stage of operation
UK
How discovered
O
Nature of condition
S
Precautionary procedure
K

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

What was found

WHILE PERFORMING A CAPS SYSTEM EXCHANGE ON N842WT, THE TOOL SPECIFIED TO INSTALL AND TORQUE THE IGNITER ASSEMBLY INTO THE ROCKET ASSEMBLY WAS DIFFICULT TO INSTALL. WHILE PERFORMING THE TORQUE, THE TOOLING SNAPPED. THIS LEFT A DOWEL IN THE SQUIB THAT CANNOT BE REMOVED. THIS TOOLING HAD BEEN USED ON OTHER INSTALLATIONS. WHEN ANOTHER TOOL, SAME PN, WAS USED THE TIGHT FIT WAS REPEATED ON THE IGNITER IN QUESTION. IGNITER LOT/DOM 235019-VS-IGN-CERT-MOD 1 TRM-350-018 IGNITER. PICTURES OF TOOLING AND PARTS ARE AVAILABLE.

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