SDR IPXA2025091690459

Service difficulty report · Strap · Boeing 75724APF

Difficulty date: September 3, 2025
Submitted: September 17, 2025
Operation: Air carrier
Aircraft: N405UP
Make and model: Boeing 75724APF
Aircraft serial: 23727
Aircraft time: 39,821 hours, 26,868 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Strap
Part number: 148N31388000
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 SUPPORT STRUCTURE AFT STRAP SHOWS SIGNS OF CORROSION. INSTALLED 1EA REPAIR DOUBLER (1), 1EA STRAP (2), 1EA FILLER (3), 1EA FILLER (4) AND 9EA NUTPLATES ON APU AIR INLET SUPPORT STRUCTURE AT STA 1825 BETWEEN STGRS 3R AND 6R IAW B757-200PF SRM 53-80-15-2R-1 REPAIR 1. MAJOR

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