Service difficulty report · Floorbeam · Boeing 737824

Difficulty date
October 9, 2025
Submitted
October 13, 2025
Operation
Air carrier
Aircraft
N26226
Make and model
Boeing 737824
Aircraft serial
28935
Aircraft time
80,527 hours, 29,981 cycles
Part
Floorbeam
Part number
143A5502
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

MAIN CABIN FLOORBEAM UPPER TEE ANGLE HAS CORROSION AT BS 380 RBL 0. REMOVED CORROSION IAW IAW SRM 53-30-51. FOUND TO BE OUT OF LIMITS IAW 53-36-51, ORIG .125, MAT LOSS .038, REM .087 FABRICATED A STRAP AND FILLERS IAW REO-G25602 AND REO-25602 FIGURE 2. ALODINED & PRIMED IAW SRM 51-20-01-0G-. STRAP, & FILLERS INSTALLED IAW SRM 51-40-08. INSTALLED THE STRAP & FILLERS IAW REO-G25602 AND G25602 FIG 2 AND SRM 51-40-02. APPLIED CIC TO REPAIR AREA IAW SRM 51-20-01 AND EC/RA NO. 5300-07631.