Service difficulty report · Unknown · Boeing 757*

Difficulty date
February 9, 2023
Submitted
February 10, 2023
Operation
Air carrier
Aircraft
N75858
Make and model
Boeing 757*
Aircraft serial
32817
Aircraft time
54,512 hours, 17,475 cycles
Part
Unknown
Part number
140N05043UAL
Condition
Corroded
Location
Sta 440
Stage of operation
IN
How discovered
O
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

UPPER CABIN FLOOR SUPPORT STRUCTURE STA 440 LBL 60 IS CORRODED. UPPER CABIN FLOOR SUPPORT PN-140N0504U3 AT STA 440 LBL 60 FOUND TO BE OUT OF LIMITS. REMOVED AND REPLACED NEW SUPPORT IAW B757 SRM 51-40-02 PARA 7 AND EC/RA 5300-02911.