Service difficulty report · Floorbeam · Boeing 747271C

Difficulty date
July 26, 2007
Submitted
August 24, 2007
Operation
Air carrier
Aircraft
N537MC
Make and model
Boeing 747271C
Aircraft serial
22403
Aircraft time
97,429 hours, 19,113 cycles
Part
Floorbeam
Condition
Cracked
Location
Zone 200
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

CRACK INDICATION IN LEFT SIDE OF UPPER DECK FLOORBEAM FUSELAGE STA 360 5TH AND 8TH HOLES FROM THE OUTBOARD STRAP AREA OF UPPER CORD REF S/B 747-53A24201 FIG 2 STEP 2. INSTALLED FRAME WEB REPAIR REPLACEMENT PARTS IAW SRM 53-10-04 FIG 103 DETAIL 2.