SDR CALA2026022614088

Service difficulty report · Floorbeam · Boeing 75733N

Difficulty date: February 24, 2026
Submitted: February 26, 2026
Operation: Air carrier
Aircraft: N57869
Make and model: Boeing 75733N
Aircraft serial: 32593
Aircraft time: 65,033 hours, 19,676 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 141N516081
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

FLOORBEAM BTW BL 0 - RBL 24.75, BS 333.45, CORRODED. REPAIR FABRICATED IAW DWG 141N5160, REV D. REMOVED AND REPLACED, REMOVED 100%, EXFOLIATED BS 333.45 BTW BL 0 - RBL 24.75, APPLIED TREAT AND PRIMER IAW IAW SRM 51-20-01 ; APPLIED TOP COAT IAW AMM 51-21-15.

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