Service difficulty report · Bracket · Boeing 75724APF

Difficulty date
April 4, 2026
Submitted
May 1, 2026
Operation
Air carrier
Aircraft
N454UP
Make and model
Boeing 75724APF
Aircraft serial
25475
Aircraft time
43,406 hours, 22,422 cycles
Part
Bracket
Part number
287N480275
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 COMPARTMENT FWD BULKHEAD STA 1885 CEILING WIRE HARNESS CLAMP SUPPORT BRACKETS 6 EACH UPPER AND LOWER SIDES HAVE LITE CORROSION AND MISSING PROTECTIVE FINISH. REMOVED CORROSION ON 6EA BRACKETS AT APU COMPARTMENT FWD BULKHEAD STA 1885 CEILING WIRE HARNESS MAT LOSS MORE THAN 80% MAT FOUND OUT OF LIMITS IN REF B757-200PF SRM 51-10-02-0G-0 AND SRM 53-80-08-1A-1. INSTALLED 6EA SUPPORT BRACKETS AT APU COMPARTMENT FWD BULKHEAD STA 1885 IAW B757-200 PF SRM 51-40-02-0G-0 REV124-20 SEP 2025.

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