Service difficulty report · Strap · Boeing 75724APF

Difficulty date
March 2, 2025
Submitted
March 4, 2025
Operation
Air carrier
Aircraft
N442UP
Make and model
Boeing 75724APF
Aircraft serial
27387
Aircraft time
30,828 hours, 20,283 cycles
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 DOOR STA 1825.00 AFT STRAP HAS CORROSION.REMOVED CORROSION IAW B757-200PF SRM 51-10-02-0G-0 AND EVALUATED IAW SRM 53-80-15-1A-1 TABLE 101.REMOVED FASTENERS IN THE REPAIR AREA IAW B757-200 SRM 51-40-02-0G-0.CUT AND REMOVED THE DAMAGED PART OF THE STRAP IAW B757-200PF SRM 51-10-02-0G-0.PERFORMED HFEC ON Z-300 STRAP APU INLET DOOR STA 1825 AFT STRAP FOR CORROSION I.A.W. NDT PART 6, 51-00-01. NO DEFECTS FOUND.

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