Service difficulty report · Floorbeam · Boeing 7272Q9

Difficulty date
June 1, 2005
Submitted
June 29, 2005
Operation
Air carrier
Aircraft
N741DH
Make and model
Boeing 7272Q9
Aircraft serial
21931
Aircraft time
46,665 hours, 37,160 cycles
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

FLOORBEAM AT BS 1110, BL-0, LWR CHORD IS EXFOLIATED. REMOVED WEB FOR ACCESS FROM STA 1110 BL 0 TO STA 1130 BL 0 IAW B727 SRM 51-30-2. CUT OUT DAMAGED AREA FLOORBEAM LOWER CHORD STA 1110 BL 0 SIZE 4.5 X 2 INCH IAW B727 SRM 53-10-8. FABRICATED REPAIR ANGLES FILLER AND STRAP MAT USED ANGLES 7075-T6 .071 SIZE 16.5 X 2.25 INCH PO 5096275 FILLER 7075-T6 .0125 SIZE 4.5 X 2 INCH PO 9912445 STRAP 7075-T6 .100 PO 9911586 SIZE 18.5 X 2 INCH IAW B727 SRM 53-10-8. TREATED AND PRIMED IAW B727 SRM 51-10-2. INSTALLED REPAIR AT FLOORBEAM CHORD STA 1110 BL 0 IAW B727 SRM 53-102. INSTALLED WEB WHICH WAS REMOVED TO GET ACCESS TO THE DAMAGED AREA FROM STA 1110 TO 1130 BL 0 IAW B727 SRM 51-30-2.

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