Service difficulty report · Frame · Boeing 747212B

Difficulty date
June 2, 2007
Submitted
June 27, 2007
Operation
Air carrier
Aircraft
N520UP
Make and model
Boeing 747212B
Aircraft serial
21943
Aircraft time
83,127 hours, 18,423 cycles
Part
Frame
Condition
Cracked
Location
Bs 800
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 NR 2 DOOR FWD FRAME AT BS 800 RT SIDE FOUND CRACKED AT NR 5 AND NR 6 FAST HOLE BELOW STR 16 BOTH HOLE CRACKED AT STRAP WITH LENGTH 0.040" RUNNING AFTWARD. BS 800 RT SIDE FRAME FWD INNER CHORD AND STRAP REPAIRED AT BTN STR 15T TO STR 18R AREA AS PER RS R53-21-35812. POST REPAIR INSPECTION ARE REQUIRED AS PER RS R53-21-35812. WORKING DETAIL REFER NRC50958 AND REFER UPS EO B747-5310-27072.

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