Service difficulty report · Skin · Boeing 75724APF

Difficulty date
February 9, 2025
Submitted
July 21, 2025
Operation
Air carrier
Aircraft
N425UP
Make and model
Boeing 75724APF
Aircraft serial
25370
Aircraft time
34,965 hours, 23,123 cycles
Part
Skin
Condition
Ground Damage
Location
Zone 100
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

MAJOR REPAIR, IMPACT DAMAGE TO FUSE. SKIN STA. 1340 STR. 25L (REFERENCE SRM 53-60-01-0I-1, FIGURE 1, DETAIL II, ITEM 2). THE DAMAGE CONSISTS OF A DENT TO THE FUSELAGE SKIN PANEL. THE DENT MEASURES APPROXIMATELY 10.5IN CIRCUMFERENTIALLY BY 2.0IN FWD/AFT WITH A MAXIMUM DEPTH OF 0.088IN. THE DENT IS LOCATED AT STA 1340 AND S-25L. WITHIN THE PERIPHERY OF THE DENT IS A GOUGE. AFTER BLENDING THE GOUGE, THE AREA MEASURES 3.6IN CIRCUMFERENTIALLY BY 0.9IN FWD/AFT AND A HAS A MINIMUM REMAINING SKIN THICKNESS OF 0.0546IN. REFER TO FIGURE 1 FOR DAMAGE LOCATION. OPEN

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