SDR IPXA2026043042676

Service difficulty report · Floor Support · Boeing 75724APF

Difficulty date: April 10, 2026
Submitted: May 1, 2026
Operation: Air carrier
Aircraft: N454UP
Make and model: Boeing 75724APF
Aircraft serial: 25475
Aircraft time: 43,406 hours, 22,422 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 146N544713
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

AFT CARGO COMPARTMENT FLOOR STRINGER HAS CORROSION APPROX BTW BS 1445 AND BS 1497.5, LBL 7.55. REMOVED 1EA DAMAGED FLOOR STRINGER IN AFT CARGO COMPARTMENT BTW BS 1445 AND BS 1497.5, LBL 7.55 REF SRM 51-40-02-0G-0. INSTALLED NEW REPLACEMANT STRINGER AT BTW BS 1445 AND BS 1497.5, LBL 7.55 IAW SRM 51-40-02-0G-0.

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