Service difficulty report · Spar · Boeing 747212B

Difficulty date
August 12, 2007
Submitted
August 31, 2007
Operation
Air carrier
Aircraft
N521UP
Make and model
Boeing 747212B
Aircraft serial
21944
Aircraft time
79,715 hours, 18,925 cycles
Part
Spar
Part number
65B085323
Condition
Cracked
Location
Lt Wing Te Flap
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 LHW O/B MID FLAP REAR SPAR O/B UPPER CHORD FOUND CRACKED, CRACK LENGTH 18" APPROX. LHW O/B MID FLAP REAR SPAR O/B UPPER CHORD BETWEEN WBL 801 TO MOST O/B AREA REPAIRED AS PER HX RS NR R57-58-35853 AND UPS ENGINEERING FILE NR 747-57-20148.

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