SDR IPXA2026031739174

Service difficulty report · Crease Beam · Boeing 75724APF

Difficulty date: February 10, 2026
Submitted: March 17, 2026
Operation: Air carrier
Aircraft: N460UP
Make and model: Boeing 75724APF
Aircraft serial: 25481
Aircraft time: 37,156 hours, 22,720 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Crease Beam
Part number: 146N56004
Condition: Corroded
Location: Zone 100
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

DURING MAIN CABIN BS 1200 FLOORBEAM REPAIR, AFTER REMOVAL OF RT OTBD WEB, BS 1180-1210, RBL 65. CREASE BEAM WAS FOUND WITH CORROSSION. REMOVED ONE CRACKED ANGLE & ONE WEB IAW SRM 51-40-02. INSTALLED NEW CHANNEL AND INSTALLED WEB IN LT MLG WW, BS 1180, THROUGH PANEL 143XAL IAW SRM 51-40-02-0G-0.

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