SDR IPXA2026080626065

Service difficulty report · Web · Boeing 75724APF

Difficulty date: July 23, 2026
Submitted: August 12, 2026
Operation: Air carrier
Aircraft: N424UP
Make and model: Boeing 75724APF
Aircraft serial: 25369
Aircraft time: 36,393 hours, 24,004 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Web
Part number: 146N851623
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 CARGO, FLOOR SKIN WITH CORROSION UNDER FLOOR STRUCTURE AT STA 1380 AND STA 1400 STRINGER 17 RH SIDE. CUT OFF AND REMOVED DAMAGED PORTION OF WEB IAW TYPICAL WEB REPAIR B757-200PF SRM 51-70-13-0G-0 STEP 1. INSTALLED NEW CTR WEB AND NEW WEB REPAIR ON BS 1380 AND BS 1400 STRINGER 17 RH IAW SRM 51-40-02-0G, SRM 51-70-13-0G-0.

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