Service difficulty report · Floorbeam · Boeing 737824

Difficulty date
July 6, 2025
Submitted
July 8, 2025
Operation
Air carrier
Aircraft
N17229
Make and model
Boeing 737824
Aircraft serial
28793
Aircraft time
79,321 hours, 29,430 cycles
Part
Floorbeam
Part number
141A550518
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

FWD WET AREA FLOOR BEAM STA 344 LBL 56 UPPER FLANGE HAS CORROSION. REMOVED CORROSION AT MAIN CABIN FWD WET AREA FLOOR BEAM STA 344 LBL 56 UPPER FLANGE, MEASURED AREA, ORIGINAL MATERIAL 0.175", MATERIAL LOSS 0.063", FOUND OUT OF LIMITS, , CUTOUT DAMAGE AREA BETWEEN BETWEEN LBL 32" TO LBL 66.5", TREATED AND PRIMED, INSTALLED REPAIR PARTS, TEE CHORD (1), ANGLES(4)(5) AND STRAPS (2)(3) . IAW SRM 53-10-51-0I-2 TABLE 8 FIGURE 9 AGE 5 AND 15, SRM 53-10-51-1A-1 TABLE 101 FIGURE 104 GROP 8 PARAGRA 4.H (1) (B) DETAIL (C) AND BAC1518-1218. , SRM 53-10-51-2R-10, 51-40-02-0G-0, SRM 51-40-05-0G-0, SRM 53-10-51-2R-10, SRM 51-20-01-0G-0, SOPM 20-41-02, SOPM 20-10-03 AND 51-40-04-0G-0.