Service difficulty report · Floor Support · Boeing 747121

Difficulty date
February 16, 2007
Submitted
March 5, 2007
Operation
Air carrier
Aircraft
N683UP
Make and model
Boeing 747121
Aircraft serial
20353
Aircraft time
90,184 hours, 22,066 cycles
Part
Floor Support
Condition
Corroded
Location
Bs 1940
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

INSPECTION TYPE:C BULK CARGO COMPT LEFT STA 1940 LBL 55 FLOOR SUPPORT FOUND CORRODED CRACK AS MARKED. CORROSION BLEND OUT 0.025" X .5" X 1" EXCEED SRM 53-10-01 FIG 1 LIMITS. BULK CARGO COMPT FLOOR SUPPORT REPLACED WITH EXISTING SPLICE FROM BS 1920-1970 LBL 55 PER SRM 51-10-01 PG 9 & INSTALLED PER SRM 51-30-02 REF NRC NO AFQ516607 FOR DETAIL.