Service difficulty report · Fitting · Boeing 747121

Difficulty date
September 9, 2001
Submitted
October 26, 2001
Operation
Air carrier
Aircraft
N681UP
Make and model
Boeing 747121
Aircraft serial
19661
Aircraft time
97,510 hours, 25,124 cycles
Part
Fitting
Part number
65B112723
Condition
Cracked
Location
Fuselage
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

INSPECTION TYPE:C LEFT SIDE BS 1350 BULKHEAD SHEAR FITTING ONE BOLT HOLE FOUND CRACK AT THE LOCATION FWD SIDE OF THE VERTICAL FLANGE 2 O'CLOCK POSITION VIEW LOOKING AFT .125 INCH APPROX. LEFT BS 1350 BULKHEAD FWD UPPER CRACKED SHEAR FITTING WAS REPLACED AS PER BOEING SB 747-53-2213 INCLUDING FIG 3, 6, 10, 11 AND 12. ALSO DURING FITTING REPLACEMENT, ADJACENT STRUCTURE FOUND CORROSION AND SKIN HOLE CRACK.