SDR CALA2026052816583

Service difficulty report · Floorbeam · Boeing 737824

Difficulty date: May 16, 2026
Submitted: May 28, 2026
Operation: Air carrier
Aircraft: N73256
Make and model: Boeing 737824
Aircraft serial: 30611
Aircraft time: 77,217 hours, 29,159 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 141A550425
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

CORROSION IN VARIOUS LOCATIONS ON TOP SIDE OF FLOORBEAM, BS 328, RBL13, RBL21, RBL27, RBL 38, AND RBL46. REMOVED CORRODED TEE SECTION FROM PREVIOUS REPAIR AT STA 328 BETWEEN RBL 2 AND RBL65, FABRICATED AND INSTALLED NEW TEE SECTION WITH SAME LENGHT AND SHAPE PER SRM 53-10-51-2R-7 ALT. 2 FIG 205