Service difficulty report · Support Angle · Boeing 75724APF

Difficulty date
July 21, 2025
Submitted
August 7, 2025
Operation
Air carrier
Aircraft
N469UP
Make and model
Boeing 75724APF
Aircraft serial
25485
Aircraft time
35,720 hours, 21,553 cycles
Part
Support Angle
Part number
148N31416
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 DOOR UPPER CORNER ANGLE AT STA 1787.45 S3R HAS CORROSION. REMOVED UPPER CORNER ANGLE WITH CORROSION IAW B757-200 SRM 51-40-02-0G.REMOVED AND REPLACED ONE S3R CORNER SUPPORT ANGLE (P/N: 148N3141-6) PER PRODUCTION DRAWING REQUIREMENTS AND 757-200PF SRM 51 REQUIREMENTS.

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