Service difficulty report · Floorbeam · Boeing 727200

Difficulty date
April 16, 2003
Submitted
April 21, 2003
Operation
Air carrier
Aircraft
N741DH
Make and model
Boeing 727200
Aircraft serial
21931
Aircraft time
44,384 hours, 35,863 cycles
Part
Floorbeam
Condition
Cracked
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

DURING C-CHECK DISCREPANCY AS FOLLOWS, FLOORBEAM AT BS 1070 LWR FLANGE FWD SIDE AT APPROXIMATELY LBL 14.0 CORRODED. DAMAGE FOUND OUT OF LIMITS IAW B-727 SRM 53-10-1 FIG 2. CUT OUT DAMAGED AREA DIMENSIONS 2 X 4 INCHES ON LWR FLANGES IAW B-727 SRM 53-10-8 FIG 2. FABRICATED ONE T-ANGLE FILLER DIMENSIONS 2 X 4 INCHES USING EXTRUSION BAC 1490-2685 PO 302024 AND STRAP DIMENSIONS 2 X 14 INCHES USING .100 7075-T-6 PO 9911586 AND TWO ANGLES DIMENSIONS 3.25 X 15 INCHES USING BACF505-106617 PO 990143 IAW B-727 SRM 53-10-8 FIG 2. ALODINED AND PRIMED ALL REPAIR PARTS IAW B-727 SRM 51-10-2 AND INSTALLED REPAIR PARTS IAW B-727 53-10-8 FIG 2.

More about the Boeing 727-200