SDR IPXA2025080308094

Service difficulty report · Floorbeam · Boeing 75724APF

Difficulty date: July 24, 2025
Submitted: August 11, 2025
Operation: Air carrier
Aircraft: N469UP
Make and model: Boeing 75724APF
Aircraft serial: 25485
Aircraft time: 35,720 hours, 21,553 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 144N800774
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 DECK FLOORBEAM BELOW FLOOR PANEL 242XGF AT BS 1100 RBL 24.75, HAS EXFOLIATED CORROSION, DOT 78-20, FABRICATED 01 EA REPAIR UPPER CHORD SECTION PER E.A.# 757-5340-27-A4084 STEP 8, LETTER A AND B. ACCOMPLISH CATEGORY B REPAIR IN ACCORDANCE WITH EO-94658-REQ1 AND EA 757-5340-27-A4084, REV-.

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