SDR IPXA2026031138732

Service difficulty report · Floor Support · Boeing 75724APF

Difficulty date: February 21, 2026
Submitted: March 11, 2026
Operation: Air carrier
Aircraft: N422UP
Make and model: Boeing 75724APF
Aircraft serial: 25324
Aircraft time: 36,626 hours, 23,888 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
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

AFT CARGO COMP. FLOOR STRUCT. FLOOR STRINGER HAS EVIDENCE OF CORROSION AROUND MULTIPLE NUT PLATE HOLE BTW STA 1440 AND STA 1480 APPROX LBL/RBL 7.55, ID STICKER NUM. (085-004). ATA 53-10 VERIFIED STEP 24, C/W B757-200PF AMM 51-24-09-377-001.

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