SDR IPXA10559070

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, FLOORBOARD SUPPORT AT LBL 0 TO LBL 25 STA 1020 CORROSION AT FWD FLANGE. BLEND CORRODED AREA, FOUND TO BE OUT OF LIMITS, REPLACED FLOORBOARD SUPPORT IAW SRM 51-40-02-0G AND SRM 53-00-51-1A1.

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