SDR 99ZZZX1821

Service difficulty report · Valve · Boeing 737297

Difficulty date
May 4, 1998
Submitted
March 26, 2000
Operation
General aviation
Filed by
HN6R593N
Aviation Technical Services Inc
Aircraft
N147AW
Make and model
Boeing 737297
Aircraft serial
22630
Part
Valve
Part number
322684003
Condition
Misoverhauled
Location
Air Dist
Part time
2,827 hours
Component
Janitrol · 322684003
Stage of operation
IN
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

RED, TI-TEMP RTV HAS BEEN APPLIED IN THE THROAT OF THE HOUSING AROUND THE BUTTERFLY SEAL SEAT. THIS BUTTERFLY SEAL IS DESIGNED TO FLOAT IN THE HOUSING, BUT IN THIS CASE, THE SEAL WAS PRESSED INTO THE BEAD OF SEALANT. SUBMITTER STATED THIS IS NOT AN ASSEMBLY STEP IN THE JANITROL AERO OHM, NOR IS IT A KNOWN PRACTICE OF A CUSTOMER E.O., OR SB. THIS MATERIAL WAS NOT 'IN PLACE OF' PACKING ITEM NR 10. THE PACKING WAS REMOVED FROM FLANGE, ITEM 7, INTACT.