Service difficulty report · Floor Support · Boeing 74745E

Difficulty date
January 17, 2012
Submitted
January 30, 2012
Operation
Air carrier
Aircraft
N578UP
Make and model
Boeing 74745E
Aircraft serial
27154
Aircraft time
81,457 hours, 13,958 cycles
Part
Floor Support
Part number
65B061642
Condition
Corroded
Location
Cargo Bay
Stage of operation
IN
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

INSPECTION TYPE:C, BULK CARGO COMPT STA 1940 TO 2060, RBL 22.5, FLOOR PANEL SUPPORT UPPER & LOWER SURFACE FOUND SEVERAL AREA CORRODED. ORG MATERIAL IS BAC1506-2261-7075T6 & THICKNESS IS 0.050", BLENDED DEPTH IS 0.035", WIDTH 1" & LENGTH 1.5" OUT OF LIMIT, DAMAGE CUT OFF LENGTH IS 100" THIS IS A MAJOR REPAIR WITH MATL BAC1506-2261-7075T6511 AS FLOOR SUPPORT REPAIR SECTION AND 7075-0-0050IN AS REPAIR ANGLES (HEAT TREAT TO T6 CONDITION AFTER FORMING), REPAIR SIZE IS 110".

More about the Boeing 747-45E