Service difficulty report · Floor Support · Boeing 75733N

Difficulty date
June 5, 2025
Submitted
June 6, 2025
Operation
Air carrier
Aircraft
N57864
Make and model
Boeing 75733N
Aircraft serial
32588
Aircraft time
71,824 hours, 22,161 cycles
Part
Floor Support
Part number
143N5410U4
Condition
Corroded
Location
Zone 200
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

(SDR) (53-5305-1-2064) R2 PAX DOOR LWR SILL FR700 - FR720 / RBL6 4.40 FLOOR SUPPORT HAS CORROSION AS MARKED. LOWER DOOR SILL REPLACED REF SRM51-40-02, 51-40-05, 53-30-15 ADD EMP:V949709 ESFR COMPLETED. ESFR COMPLETED. FOUND LWR DOORS SILL OUT OF LIMITS AND REPLACED IT WITH A NEW ON E IAW B757 SRM 51-40-2 AND SRM 51-40-05, NEW FLOOR SUPPORT. EMP# : V949709 WC# 127613 REPLACED AT PNS

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