Service difficulty report · Floor Support · Boeing 757222

Difficulty date
February 23, 2018
Submitted
February 24, 2018
Operation
Air carrier
Aircraft
N502UA
Make and model
Boeing 757222
Aircraft serial
24623
Aircraft time
94,355 hours, 27,226 cycles
Part
Floor Support
Part number
143N5370
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 SUPPORT STR RBL 7.5 BETWEEN APPROX BS 635 TO BS 700 HAS CORROSION ON UPPER AND LOWER SURFACE IN MULTIPLE AREAS. ACCOMPLISHED SEVERED SECTION REPAIR ON FLOOR STRINGER BETWEEN STA 688-704 RBL 7.5 IAW SRM 53-00-53 REPAIR 1, STR WAS FOUND OUT OF LIMITS FROM STA 690 RBL 7.5 TO STA 700 L=16.0 W=1.30 D=.016 IAW SRM 53-00-53.