Service difficulty report · Skin · Boeing 7474R7F

Difficulty date
July 19, 2024
Submitted
August 14, 2024
Operation
Air carrier
Aircraft
N583UP
Make and model
Boeing 7474R7F
Aircraft serial
25867
Aircraft time
133,218 hours, 22,509 cycles
Part
Skin
Part number
186U10074
Part serial
10
Condition
Debonded
Location
Zone 300
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

DISBOND - SKIN, RH VERTICAL STABILIZER PANEL P/N: 186U1007-4 INNER SKIN, TOTAL: 2 AREA (COMPOSITE REPAIR).NDT PERFORM UT INSPECTION FOR REPAIRED AREA AND PLUS 6 INCHES AROUND HEATED AREA, PER NTM PART1 51-01-01 AND 51-40-00 REV:177, RESULT: NO DEFECT FOUND. CLEAN, SEAL AND FINISH THE REWORKED AREA I.A.W. 747-400F SRM 51-70-10-2R-0 PARAGRAPH 22 REV.101.

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