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
146N5446
Condition
Corroded
Location
Bs 1497-1520
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

BULK CARGO FLOOR SUPPORT RBL 2.90 FROM APPROX BS 1497 AND BS 1520 HAS CORROSION ON MULTIPLE AREAS BOTH UPPER AN D LOWER SURFACES. 209-032 BLENDED MULTIPLE ARESA OF CORROSION AT BULK CARGO FLR SUPPORT RB L 2.90 FROM APROX BS 1497 AND BS 1520. BLEND AREA 3" X 1" X .037 " AT BS 1510 FOUND TO BE OUT OF LIMITS IAW B757-200 SRM 53-00-53 FIG 101 DETAIL V. REPAIRED FLOOR SUPPORT (STRINGER AT BS 1510 I AW B757-200 SRM 53-00-53 PARA 4 FIG 201 DETAIL XII. SEE SUPPLEME NT NO.73809)