Service difficulty report · Element · Boeing 747400

Difficulty date
July 28, 1999
Submitted
July 12, 2000
Operation
Air carrier
Make and model
Boeing 747400
Part
Element
Part number
B193334
Part serial
3039
Condition
Separated
Location
Ozone Converter
Stage of operation
NR
How discovered
V
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

OZONE CONVERTER, SN 5039, RETURNED FOR REPAIR. CATALYST ELEMENT (THERMAL SPRAYED FOIL) FOR CLASS III COMPONENT SEPARATED FROM WELDED INTERNAL SUB-ASSY AND WAS DRAWN INTO ACFT A/C SYS CAUSING DAMAGE TO 2 ACFT PNEUMATIC DUCTS AND DISCONNECTS. THIS CONVERTER WAS 1 OF 70 MFG BETWEEN 5-11, 1995. (X)

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