Service difficulty report · Frame · Boeing 747212B

Difficulty date
June 9, 2000
Submitted
July 12, 2000
Operation
Air carrier
Aircraft
N521UP
Make and model
Boeing 747212B
Aircraft serial
21944
Aircraft time
62,800 hours, 15,449 cycles
System (JASC)
5711 · Wing Spar
Part
Frame
Condition
Corroded
Location
Rt Wing
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, RT WING L/E CORROSION ON WING BULL NOSE AT CONNECTION FOR WAI VLV. REPAIR CARRIED OUT IAW QUERY NOTE 42/2000 AND SRM 51-40-04 FIG 1 AND SRM 57-10-03 FIG 7. CUT OUT CORRODED AREA AND INSTALLED SPLICE SECTION OF CHORD.

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