Service difficulty report · Floorbeam · Boeing 7272Q9

Difficulty date
August 13, 2007
Submitted
August 14, 2007
Operation
Air carrier
Aircraft
N741DH
Make and model
Boeing 7272Q9
Aircraft serial
21931
Aircraft time
48,407 hours, 38,367 cycles
Part
Floorbeam
Condition
Deformed
Location
Bs 312
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

NON STANDARD REPAIR/MODIFICATION NOTED ON FLOORBEAM LOWER CAP AT BS 312, RBL 45. CUT OUT LOWER CHORD SECTION FROM RBL 36 TO END OF BEAM, 23.5" IN LENGTH, FABRICATED NEW LOWER CHORD SECTION FROM BAC 1505-29222 EXTRUSION, PO NR 9004174, 23.5" LONG, AND 4 REPAIR ANGLES FROM 7075-T6, .071" BY 9" BY 1" BY 1", PO NR 9003585, PER B727 SRM 53-10-8 FIG 9 AND 53-10-2 FIG 7. TREATED, PRIMED, AND INSTALLED CHORD REPAIR PER B727 SRM 51-10-2, 51-30-2, AND 51-30-5.

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