Service difficulty report · Floorbeam · Boeing 727227

Difficulty date
March 24, 2010
Submitted
April 6, 2010
Operation
Air carrier
Aircraft
N479FE
Make and model
Boeing 727227
Aircraft serial
21461
Aircraft time
44,408 hours, 28,804 cycles
Part
Floorbeam
Part number
BAC65208379
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
9
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

CORROSION LOWER SURFACE OF UPPER TEE ON FLOORBEAM STA 1110, BETWEEN RBL 45 AND RBL 65. AREA FOUND TO BE OUT OF LIMITS IAW SRM 53-10-1 FIG 4. CUT-OUT DAMAGED AREA OF UPPER TEE DIM: 6" X 2" AND FABRICATED UPPER TEE FROM BAC1505-100617 7075T6, PO NR 29094137 DIM: 23" ANGLE SUPPORT FROM BAC14902785 PO NR 29118113 DIM: 23" X .8750" X 1.8750, ANGLE SUPPORT FROM 7075T6 .090 PO NR 9008486 DIM: 18.3750" X .9375" X 1.3750". REINFORCE STRAP FROM BAC1512-3353 PO NR 9003263 DIM: 22" LONG REINFORCED STRAP FROM BAC 1512-3396. PO NR 9007927 DIM: 18.3750" LONG AND INSTALLED REPAIR PARTS IAW SRM 53-10-8, FIG 1.