SDR IPXA10559069

Service difficulty report · Floorbeam · Boeing 75724APF

Difficulty date: March 22, 2010
Submitted: April 7, 2010
Operation: Air carrier
Aircraft: N451UP
Make and model: Boeing 75724APF
Aircraft serial: 27739
Aircraft time: 24,602 hours, 13,768 cycles
Engine: Rroyce RB211535E4
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 144N50052
Condition: Corroded
Location: Bs 1020
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

INSPECTION TYPE:C4, FUSELAGE FLOOR STRUCTURE, FLOOR PANEL SUPPORT HAS CORROSION ON UPPER FWD FLANGE AT STA 1020 RBL 12 TO RBL 23. BLEND CORRODED AREA, FOUND TO BE OUT OF LIMITS, REPLACED FLOOR PANEL SUPPORT IAW SRM 53-00-51-1A1 AND SRM 51-40-02-0G

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