SDR IPXA2026072706770

Service difficulty report · Floor Support · Boeing 75724APF

Difficulty date: July 22, 2026
Submitted: July 28, 2026
Operation: Air carrier
Aircraft: N455UP
Make and model: Boeing 75724APF
Aircraft serial: 25476
Aircraft time: 46,102 hours, 22,631 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 146N544716
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 BAY FLOOR SUPPORT HAS CORROSION ON MULTIPLE AREAS APPROX BTWN BS 1440 AND BS 1500, RBL 16.10, VERIFIED REMOVAL OF FLOOR SUPPORT ON STEP 3. INSTALLED 1EA CHANNEL AT AFT CARGO COMPARMENT FLOOR STRINGER BTW BS 1440 & BS 1500 RBL. IAW SRM 53-00-53-2R-1 REPAIR 1, AND SRM 51-40-02-0G-0.

More about the Boeing 757-24APF