Service difficulty report · Floorbeam · Boeing 727222

Difficulty date
October 11, 2004
Submitted
January 4, 2005
Operation
Air carrier
Aircraft
N7635U
Make and model
Boeing 727222
Aircraft serial
19908
Engine
Pwa JT8D7B
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

FLOOR TRAVERSE BEAM AT STA 600 HAS LIGHT CORROSION BETWEEN BL0 AND RBL 24.5 AND BETWEEN LBL 45.5 AND LBL50. INSTALLED INTERNAL FLOORBEAM REPAIR ON DAMAGE LOCATED AT BS 600 BETWEEN BL0 AND LBL 24.50. DAMAGED FLOORBEAM CHORD PORTION REMOVED. FINAL TRIM OUT DIMENSION WAS 1.50 X 1.00. REINFORCEMENT ANGLE FABRICATED FROM ALUM. 7075-0 X 0.090 INCH X 14 INCH X 7 INCH, AND ALUM 7075-0 X 0.090 X 18 INCH X 7 INCH, HEAT TREATMENT TO T-6 IAW BAC 5602. REPAIR PARTS AND BARE EDGES TREATED IAW SRM. FLOORBEAM REPAIR ACCOMPLISHED IAW SRM.