Service difficulty report · Skin Panel · Boeing 74744AF

Difficulty date
June 1, 2026
Submitted
June 8, 2026
Operation
Air carrier
Aircraft
N577UP
Make and model
Boeing 74744AF
Aircraft serial
35666
Aircraft time
63,511 hours, 9,924 cycles
System (JASC)
5751 · Ailerons
Part
Skin Panel
Part number
65B02108254
Condition
Cracked
Location
Zone 600 Aileron
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

CRACKED SKIN, RT WING T/E OUTBD AILERON PNL 691CB AREA WS 1325. FABRICATE SKIN PANEL PER DWG NO.:65B02108 SH 3 REV."A";PL REV."H", PSDL REV."-" AND ORIGINAL PART AS A SAMPLE I.A.W GMM-MTX CH 9.08 REV: 15.2 REQUIREMENT<BR>2. INSTALL FABRICATE THE SKIN PANEL I.A.W SRM 51-40-02-0G REV.106 AND BOEING DWG NO. 65B02108 SH 3 REV: A, 65B02100 SH 2 REV: G, 65B02145 SH 3 REV: C, 65B02145 SH 4 REV: C

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