Service difficulty report · Floor Support · Boeing 757222

Difficulty date
February 21, 2018
Submitted
February 22, 2018
Operation
Air carrier
Aircraft
N598UA
Make and model
Boeing 757222
Aircraft serial
28751
Aircraft time
71,018 hours, 18,621 cycles
Part
Floor Support
Part number
143N537039
Condition
Corroded
Location
Fuselage
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

FWD CARGO FLOOR STRINGER AT STA 634 TO STA 705, LBL 16.10 HAS CORROSION AROUND NUTPLATES REMOVED CORROSION FROM FLOOR STRINGER AT FWD CARGO STA 634 TO STA 705 LBL 16.10 BLEND OUT AREA DIMENSION IS L=2.100" W=.800" D=. 019" & L=3.00" W=.800" D=.016" FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53 FIG 101 DETAIL V ALLOWABLE DAMAGE 1 AND REPLACED FLOOR STRINGER SECTION IAW NR 143N5370.