Service difficulty report · Angle · Boeing 75724APF

Difficulty date
July 9, 2025
Submitted
July 22, 2025
Operation
Air carrier
Aircraft
N449UP
Make and model
Boeing 75724APF
Aircraft serial
27738
Aircraft time
31,007 hours, 20,308 cycles
Part
Angle
Part number
146N524021
Condition
Corroded
Location
Zone 200
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

AGING FINDING - MAIN DECK FLOOR STRUCTURE LOCATED APPROX STA 1715 RBL 12" AS SEEN FROM THE AFT PIT AFT ELEC BAY IS CORRODED AND EXFOLIATED. AA025 AUDIT C/W. VERIFIED REMOVE AND REPLACE SUPPORT ANGLE REF P/N: 146N5240-21 PER BOEING DWG 146N5240 IAW 757-200PF SRM CHAPTER 51 GUIDELINES. USING ORIGINAL PART AS SAMPLE IAW UPS GMM REV 11 SECTION 09-08.

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