SDR IPXA2025042401530

Service difficulty report · Floor Support · Boeing 75724APF

Difficulty date: April 8, 2025
Submitted: April 29, 2025
Operation: Air carrier
Aircraft: N470UP
Make and model: Boeing 75724APF
Aircraft serial: 25486
Aircraft time: 34,739 hours, 20,775 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 146N54475
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 COMP ON 4TH LH SIDE FLOOR PANEL SUPORT STR AROUND NUTPLATES, BETWEEN STA 1460 AND 1480 HAS EVIDENCE OF CORROSION. LOCATED AND DRILLED NEW FLOOR SUPPORT, IAW 757-200PF SRM 51-40-05. INSTALLED 4TH LH SIDE FLOOR PANEL SUPPORT IAW SRM 51-40-02.

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