SDR IPXA2026051439256

Service difficulty report · Skin · Boeing 7478F

Difficulty date: May 6, 2026
Submitted: June 1, 2026
Operation: Air carrier
Aircraft: N611UP
Make and model: Boeing 7478F
Aircraft serial: 64257
Aircraft time: 29,966 hours, 4,379 cycles
System (JASC): 5730 · Wing, Plate/Skin
Part: Skin
Part number: 113U981315
Condition: Debonded
Location: Zone 500
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

DISBOND - SKIN, AFT SIDE OUTBD FACE OF L/H WING NO.1 FLAP TRACK AFT FAIRING (REPAIR). I.A.W. B747 NDT MANUAL PART 1, 51-01-01 AND PART 4, 51-00-05, REV.182 TO PERFORM NDT/UT FOR THE POST REPAIRED AREA INCLUDED THE AREA WAS HOT PLUS WITHIN 6" ALL AROUND. RESULT: NO DEFECT FOUND.

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