Service difficulty report · Stiffener · Boeing 75724APF

Difficulty date
April 4, 2026
Submitted
April 24, 2026
Operation
Air carrier
Aircraft
N454UP
Make and model
Boeing 75724APF
Aircraft serial
25475
Aircraft time
43,406 hours, 22,422 cycles
Part
Stiffener
Condition
Inoperative
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

APU COMPARTMENT FWD BULKHEAD STA 1885 HORZ STRIFFENER JUST BELOW LIGHT SWITCH ASSY HAS AREAS OF LITE CORROSION, BENT AND DOOR HOOK DAMAGED WITH SEVERAL SHEARED FASTENERS. RLOO7 PROD AUDIT C/W

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