SDR IPXA2025101571181

Service difficulty report · Floor Support · Boeing 75724APF

Difficulty date: October 3, 2025
Submitted: October 17, 2025
Operation: Air carrier
Aircraft: N457UP
Make and model: Boeing 75724APF
Aircraft serial: 25478
Aircraft time: 38,076 hours, 22,607 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 146N524029
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 CABIN COMPARTMENT FLOOR STRUCTURE, BS 1720, LBL 25 HAS (1EA) PLATE EXFOLIATED. REMOVED PLATE 1 EA AT MAIN CABIN COMPARTMENT FLOOR STRUCTURE STA 1720 LBL 25 IAW B757-200 SRM 51-40-02. INSTALLED NEW ANGLE FROM MAIN CABIN COMPARTMENT FLOOR STRUCTURE, STA 1720 LBL 25 1EA IAW SRM 51-40-02-0G.

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