SDR IPXA2026101973990

Service difficulty report · Floorbeam · Boeing 75724APF

Difficulty date: October 15, 2026
Submitted: October 28, 2026
Operation: Air carrier
Aircraft: N462UP
Make and model: Boeing 75724APF
Aircraft serial: 28266
Aircraft time: 41,618 hours, 21,864 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 146N5033
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 DECK FLOOR STRUCTURE, FLOOR BEAM AT STA 1540 HAS CORROSION BETWEEN BL0 & RBL25 (UPPER AND LOWER SIDE). REMOVED CORROSION ON MAIN DECK FLOOR STRUCTURE, FLOOR BEAM AT STA 1540 BETWEEN BL0 & RBL25 IAW , SRM 51-10-0. APPLIED SURFACE PROTECTION ON AREAS REWORKED IAW SRM 51-20-01, AMM 51-21-15.

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