Service difficulty report · Floorbeam · Boeing 7673P6

Difficulty date
May 6, 2013
Submitted
May 21, 2013
Operation
Air carrier
Aircraft
N154DL
Make and model
Boeing 7673P6
Aircraft serial
25241
Aircraft time
94,826 hours, 18,119 cycles
Part
Floorbeam
Condition
Corroded
Location
Bs 1439
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

BS 1439, LBL 7 TO RBL 38, M/D FLOORBEAM LWR TEE FOUND ANCHOR NUTS HOLES AREA CORROSION. CORROSION REMOVED IAW SRM 51-10-02, AT RBL 30" BLEND OUT DEPTH 0.009", ORG 0.090", WIDTH 0.9", LENGTH 1.2" WITHIN SRM 53-00-51, ALLOWABLE DAMAGE 1 FIG 101 LIMIT, AT OTHER AREA 5, LOCATION LBL7", RBL8", RBL14", RBL21" AND RBL36 OUF OF ABOVE LIMIT. MAX DEPTH 0.032" ORG 0.090" WIDTH 0.9" LENGTH 1.3" REPAIRED THE FLOORBEAM LWR TEE IAW ER/A 513069-14 REV ORIG FOR LBL7" AND RBL8" TO RBL36" AREA.

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