Service difficulty report · Strap · Boeing 75724APF

Difficulty date
April 25, 2026
Submitted
May 21, 2026
Operation
Air carrier
Aircraft
N440UP
Make and model
Boeing 75724APF
Aircraft serial
25471
Aircraft time
31,609 hours, 20,835 cycles
Part
Strap
Part number
148N31388000
Condition
Corroded
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. APU INLET DOOR AFT STRAP AT STA 1825.00 S-3R TO S-6R HAS CORROSION INSTALLED PARTS OF REPAIR (STRAP 1, STRAP 2, FILLER 3, FILLER 4 AND OUTER STRAP) IAW SRM 51-40-02-0G-0, DETAIL I.

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