Service difficulty report · Angle · Boeing 75724APF

Difficulty date
April 4, 2026
Submitted
April 22, 2026
Operation
Air carrier
Aircraft
N454UP
Make and model
Boeing 75724APF
Aircraft serial
25475
Aircraft time
43,406 hours, 22,422 cycles
Part
Angle
Part number
146N52407
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

AFT CARGO. CORROSION ON 2 EA NUT PLATES AND STIFFNER BTWN STA 1715 AND AFT PRESS BULHEAD. BTWN 12 RBL AND 24 RBL. 61. REMOVED 2EA STIFFENER AT AFT CARGO BTW STA 1701 AND PRESS BULKHEAD, BTW 24RBL AND 12RBL IAW B757-200PF SRM 51-40-02-OG-0 ,PAR-4 REV 124 -20 SEP 2025. INSTALLED 2EA NEW REPLACEMENT ANGLES AT AFT CARGO BTWN STA 1715 AND AFT PRESS. BULKHEAD BTWN 12RBL AND 24RBL REF. B757-200PF SRM 51-40-02-OG-0 AND APLLIED "CIC" REF. SOPM 20-41-05.

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