Service difficulty report · Web · Boeing 747200

Difficulty date
November 1, 2001
Submitted
November 19, 2001
Operation
Air carrier
Aircraft
N521UP
Make and model
Boeing 747200
Aircraft serial
21944
Aircraft time
66,302 hours, 16,182 cycles
Part
Web
Condition
Cracked
Location
Lh Bs 1480
Stage of operation
IN
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 L/H SIDE BS 1480 BULKHEAD ONE EACH BOLT NO.26 FOUND CRACK AT BULKHEAD WEB FWD SURFACE 0.080" APPROX AT 8 O'CLOCK POSITION REFER TO ATTCHED DRAWING FOR DETAILS. LH BS 1480 B/H WEB AT HOLE #26 CRACK REMOVED AND BUSHING INSTALLED AT WEB AS PER SB 747-53A2390 FIG 11. PLAN A BUSHING REPAIR. CWPC CONTROL SEQUENCE NO. RCBR017 052 ATTACHED.

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