Service difficulty report · Strap · Boeing 75724APF

Difficulty date
July 20, 2026
Submitted
July 27, 2026
Operation
Air carrier
Aircraft
N438UP
Make and model
Boeing 75724APF
Aircraft serial
25469
Aircraft time
31,943 hours, 20,896 cycles
Part
Strap
Part number
148N31521
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

APU INLET SORROUND STRUCTURE FWD STRAP HAS CORROSION. INSTALLED THE FWD STRAP, UPPER SUPPORT ANGLE, LOWER SUPPORT ANGLE, UPPER CORNER ANGLE, LOWER CORNER ANGLE AT BELOW APU INLET DOOR FRAME BTW BS 1825 - 1787.45, STR 3R-6R IAW SRM 51-40-02-0G-0.

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