Service difficulty report · Floorbeam · Boeing 747121

Difficulty date
August 16, 2006
Submitted
September 27, 2006
Operation
Air carrier
Aircraft
N682UP
Make and model
Boeing 747121
Aircraft serial
20349
Aircraft time
104,700 hours, 26,436 cycles
Part
Floorbeam
Part number
69B14272Y5
Condition
Corroded
Location
Bs 1220
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

BS 1220 LBL 83-95 FLOORBEAM UPPER TEE UPPER SURFACE FOUND CORROSION. CORROSION BLEND OUT 0.046" BY 1.5" BY 10". BS 1220 LBL 75-95 FLOORBEAM UPPER TEE REPLACED AND INSTALLED AS PER SRM 51-10-01 PG 9 AND 51-30-02.