SDR IPXA11568651

Service difficulty report · Floorbeam · Boeing 75724APF

Difficulty date: July 22, 2011
Submitted: August 17, 2011
Operation: Air carrier
Aircraft: N401UP
Make and model: Boeing 75724APF
Aircraft serial: 23723
Aircraft time: 28,242 hours, 19,490 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Fuselage
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:C3, WHILE WORKING CARD 942443 FOUND CORRODED NUTPLATE ON RADIUS FILLER COMMON TO LWR SURFACE OF FWD UPPER FLANGE OF BS 1681 FLOORBEAM AT LBL 40, WL 207.5. REPAIR IAW ER 11-03796, SRM 51-40-02-0F, SRM 51-20-07, SOPM 20-43-03, SOPM 20-41-02.

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