SDR CKSA98070

Service difficulty report · Floorbeam · Boeing 747146

Difficulty date
February 24, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N703CK
Make and model
Boeing 747146
Aircraft serial
19727
Part
Floorbeam
Condition
Corroded
Location
Bs 580/760
Stage of operation
IN
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

DURING CPCP INSPECTION FOUND LEVEL 2 CORROSION, BETWEEN BS 580 AND BS 760 AT FLOOR CENTER AREA, FLOORBEAM PLUS TWO FLOOR AUXILIARY CHANNEL SUPPORTS PLUS WATER CONNECTOR FITTINGS AND FRAME SUPPORTS CORRODED. REMOVED CORROSION ON FLOORBEAM FS 660 AND FOUND TO BE OUT OF LIMITS IAW SRM 51-10-01 AND 53-10-01. REPAIRED FLOORBEAM IAW B747 SRM 53-10-07. SEEM M40'S 14767 AND 14768 FOR AUXILIARY CHANNEL SUPPORTS WATER FITTINGS AND FRAME SUPPORTS. CORROSION TASK CARD NUMBER C53-210-03 PART 3 OF 4. NON-ROUTINE TASK CARD NUMBER 12891.