Service difficulty report · Floorbeam · Boeing 757236

Difficulty date
May 27, 2024
Submitted
May 27, 2024
Operation
Air carrier
Aircraft
N910FD
Make and model
Boeing 757236
Aircraft serial
25054
Aircraft time
60,033 hours, 23,886 cycles
Part
Floorbeam
Part number
141N51211
Condition
Corroded
Location
Bs 346
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

MAIN CABIN COURIER AREA, STA 346 ALONG TOP SIDE HAS SEVERAL AREAS OF BARE METAL AND CORROSION ON PREVIOSLY BLENDED AREA OF BEAM. PREVIOUS BLEND OUT ON FLOOR BEAM UPPER CHORD AT MAIN CABIN STA 344-346 BETWEEN LBL 7 - LBL 21, AFTER EVALUATION FOUND OUT OF LIMITS IAW B 757 SRM 53-00-51-1A FIG 101 DETAIL IIIPERFORMED REPAIR ON UPPER CHORD OF THE FLOOR BEAM AT STA 345 BETWEEN LBL 52 TO RBL 34.250 IAW B 757 SRM 53-00-51-2R FIG 201 REP. #10.